From 6d2ad20723439b7a069edb7f9cec588ff4d871b6 Mon Sep 17 00:00:00 2001
From: buliping <buliping@gitlab.com>
Date: Thu, 12 Nov 2026 08:52:21 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=BE=E7=A8=8B=E8=B5=84=E6=BA=90=E5=88=86?=
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MIME-Version: 1.0
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---
 .../com/ruoyi/train/domain/TrainResource.java |  12 +
 .../ruoyi/train/domain/vo/CourseDetailVO.java |  13 +
 .../train/mapper/TrainPlanCourseMapper.java   |  10 +
 .../service/impl/TrainCourseServiceImpl.java  |  33 +
 .../impl/TrainResourceServiceImpl.java        |  36 +-
 .../mapper/train/TrainPlanCourseMapper.xml    |   9 +
 .../impl/SchedulingAppServiceTest.java        |   5 +
 ...SchedulingTeacherStatusAndOptionsTest.java |   5 +
 .../template/enrollment_import_template.xlsx  | Bin 0 -> 10683 bytes
 .../class/components/EnrollmentPanel.vue      |  29 +-
 build_ui/src/views/train/class/index.vue      |   3 +-
 build_ui/src/views/train/course/index.vue     | 746 ++++++++++++++----
 build_ui/src/views/train/plan/index.vue       |  68 +-
 build_ui/src/views/train/resource/index.vue   | 348 +++++++-
 14 files changed, 1098 insertions(+), 219 deletions(-)
 create mode 100644 build_ui/public/files/template/enrollment_import_template.xlsx

diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/TrainResource.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/TrainResource.java
index 0efe22cf6..0a4e3c278 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/TrainResource.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/TrainResource.java
@@ -61,6 +61,9 @@ public class TrainResource extends BaseEntity
     /** 自增编号（数据库递增序号）。 */
     private Long id;
 
+    /** 课程引用数（派生字段，非数据库列，仅详情查询时回填）。 */
+    private Integer courseReferenceCount;
+
     public void setResourceId(String resourceId)
     {
         this.resourceId = resourceId;
@@ -139,6 +142,14 @@ public class TrainResource extends BaseEntity
         this.id = id;
     }
 
+    public Integer getCourseReferenceCount() {
+        return courseReferenceCount;
+    }
+
+    public void setCourseReferenceCount(Integer courseReferenceCount) {
+        this.courseReferenceCount = courseReferenceCount;
+    }
+
     @Override
     public String toString()
     {
@@ -151,6 +162,7 @@ public class TrainResource extends BaseEntity
             .append("status", getStatus())
             .append("delFlag", getDelFlag())
             .append("id", getId())
+            .append("courseReferenceCount", getCourseReferenceCount())
             .append("createBy", getCreateBy())
             .append("createTime", getCreateTime())
             .append("updateBy", getUpdateBy())
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/vo/CourseDetailVO.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/vo/CourseDetailVO.java
index d61536b7d..430190f81 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/vo/CourseDetailVO.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/domain/vo/CourseDetailVO.java
@@ -71,6 +71,9 @@ public class CourseDetailVO implements Serializable
      */
     private List<TrainResource> resources;
 
+    /** 未完成状态开班计划的引用数（派生字段，供课程停用校验使用）。 */
+    private Integer unfinishedPlanRefCount;
+
     public CourseDetailVO()
     {
     }
@@ -317,4 +320,14 @@ public class CourseDetailVO implements Serializable
     {
         this.resources = resources;
     }
+
+    public Integer getUnfinishedPlanRefCount()
+    {
+        return unfinishedPlanRefCount;
+    }
+
+    public void setUnfinishedPlanRefCount(Integer unfinishedPlanRefCount)
+    {
+        this.unfinishedPlanRefCount = unfinishedPlanRefCount;
+    }
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
index 97612ad02..ccfc7a462 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
@@ -91,6 +91,16 @@ public interface TrainPlanCourseMapper
      */
     int countPlanCoursesByCId(@Param("cId") String cId);
 
+    /**
+     * 统计指定公共课程被「未完成」状态开班计划引用的数量。
+     * 未完成 = plan_status in (0 未开始, 1 进行中) 且计划未删除；
+     * 已结束(2)、已取消(3)及已移除的本期课程配置不计入。
+     *
+     * @param cId 公共课程ID
+     * @return 未完成计划引用数
+     */
+    int countUnfinishedPlanCoursesByCId(@Param("cId") String cId);
+
     /**
      * 统计指定公共课程关联的当前有效V2成绩明细数（train_student_score + train_score_item 下游引用）。
      *
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
index c5f6ac631..29d4821da 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
@@ -49,6 +49,8 @@ public class TrainCourseServiceImpl implements ITrainCourseService
         {
             List<TrainResource> resources = trainCourseResourceMapper.selectResourcesByCourseId(cId);
             detail.setResources(resources);
+            // 派生字段：供编辑窗口与表格停用开关判断，不参与新增/修改入库
+            detail.setUnfinishedPlanRefCount(trainPlanCourseMapper.countUnfinishedPlanCoursesByCId(cId));
             // 规范权威读取：优先以 train_course_resource 规范关联表首个资源派生兼容 resourceId；
             // 若关系表暂无关联但实体存在历史 resourceId，则保留历史 resourceId
             if (resources != null && !resources.isEmpty())
@@ -181,6 +183,9 @@ public class TrainCourseServiceImpl implements ITrainCourseService
             throw new ServiceException("课程学时必须为正整数", 400);
         }
 
+        // 4. 由正常改为停用时，校验未完成开班计划的引用
+        assertUnfinishedPlanCourseNotDisabled(trainCourse);
+
         trainCourse.setUpdateTime(DateUtils.getNowDate());
         try
         {
@@ -193,6 +198,34 @@ public class TrainCourseServiceImpl implements ITrainCourseService
         return trainCourseMapper.updateTrainCourse(trainCourse);
     }
 
+    /**
+     * 已被「未完成」状态开班计划引用的课程禁止由「正常」改为「停用」。
+     *
+     * <p>触发条件：本次提交状态为停用(0)、库中原有状态为正常(1)，且该课程仍被
+     * 未开始(0)/进行中(1)且未删除的开班计划引用（train_plan_course）。
+     * 计划已结束(2)、已取消(3)、或本期课程配置已被移除时不再拦截。
+     * 作用范围：仅 PUT /train/course/{cId} 的状态变更；新增、状态未变、停用改正常、
+     * 原本已停用、以及只修改其它字段均不受影响。
+     * 预期行为：抛出 ServiceException，不执行更新，前端提示先等待班级完成或取消课程配置。</p>
+     */
+    private void assertUnfinishedPlanCourseNotDisabled(TrainCourse trainCourse)
+    {
+        Integer newStatus = trainCourse.getStatus();
+        if (newStatus == null || newStatus != 0)
+        {
+            return;
+        }
+        TrainCourse existing = trainCourseMapper.selectTrainCourseByCId(trainCourse.getcId());
+        if (existing == null || existing.getStatus() == null || existing.getStatus() != 1)
+        {
+            return;
+        }
+        if (trainPlanCourseMapper.countUnfinishedPlanCoursesByCId(trainCourse.getcId()) > 0)
+        {
+            throw new ServiceException("课程已被未完成状态的班级引用，不可停用；请等待班级完成、取消计划或移除本期课程配置后再试");
+        }
+    }
+
     /**
      * 校验课程统一业务编码是否唯一
      *
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainResourceServiceImpl.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainResourceServiceImpl.java
index 03104f25f..b7ca04906 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainResourceServiceImpl.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainResourceServiceImpl.java
@@ -38,7 +38,13 @@ public class TrainResourceServiceImpl implements ITrainResourceService
     @Override
     public TrainResource selectTrainResourceByResourceId(String resourceId)
     {
-        return trainResourceMapper.selectTrainResourceByResourceId(resourceId);
+        TrainResource resource = trainResourceMapper.selectTrainResourceByResourceId(resourceId);
+        if (resource != null)
+        {
+            // 派生字段：供编辑窗口判断该资源是否允许停用，不参与新增/修改入库
+            resource.setCourseReferenceCount(trainCourseResourceMapper.countCourseReferencesByResourceId(resourceId));
+        }
+        return resource;
     }
 
     /**
@@ -99,6 +105,7 @@ public class TrainResourceServiceImpl implements ITrainResourceService
         {
             validateStatus(trainResource.getStatus());
         }
+        assertBoundResourceNotDisabled(trainResource);
         trainResource.setUpdateTime(DateUtils.getNowDate());
         return trainResourceMapper.updateTrainResource(trainResource);
     }
@@ -148,6 +155,33 @@ public class TrainResourceServiceImpl implements ITrainResourceService
         }
     }
 
+    /**
+     * 已绑定课程的教学资源禁止由「正常」改为「停用」。
+     *
+     * <p>触发条件：本次提交状态为停用(0)、库中原有状态为正常(1)，且 train_course_resource
+     * 中仍存在该资源的关联记录，三个条件同时满足才拦截。
+     * 作用范围：仅 PUT /train/resource/{resourceId} 修改；新增资源、状态未变更、停用改正常、
+     * 原本已停用、以及未被课程引用的资源均不受影响。
+     * 预期行为：抛出 ServiceException，不执行更新，前端提示先解除课程关联。</p>
+     */
+    private void assertBoundResourceNotDisabled(TrainResource trainResource)
+    {
+        Integer newStatus = trainResource.getStatus();
+        if (newStatus == null || newStatus != 0)
+        {
+            return;
+        }
+        TrainResource existing = trainResourceMapper.selectTrainResourceByResourceId(trainResource.getResourceId());
+        if (existing == null || existing.getStatus() == null || existing.getStatus() != 1)
+        {
+            return;
+        }
+        if (trainCourseResourceMapper.countCourseReferencesByResourceId(trainResource.getResourceId()) > 0)
+        {
+            throw new ServiceException("教学资源已被课程引用，不可停用，请先解除课程关联");
+        }
+    }
+
     /**
      * 校验资源类型取值：1文档 2视频 33D模型 4VR资源 5外部教学链接 6其他
      */
diff --git a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
index 26332769e..f85bd3916 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
+++ b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
@@ -122,6 +122,15 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         select count(*) from train_plan_course where c_id = #{cId}
     </select>
 
+    <select id="countUnfinishedPlanCoursesByCId" parameterType="String" resultType="int">
+        select count(1)
+          from train_plan_course pc
+          join train_class_plan p on p.plan_id = pc.plan_id
+         where pc.c_id = #{cId}
+           and p.del_flag = '0'
+           and p.plan_status in (0, 1)
+    </select>
+
     <select id="countStudentScoresByCId" parameterType="String" resultType="int">
         select count(1)
         from train_student_score ss
diff --git a/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingAppServiceTest.java b/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingAppServiceTest.java
index 247110e8a..de796c2ac 100644
--- a/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingAppServiceTest.java
+++ b/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingAppServiceTest.java
@@ -1256,6 +1256,11 @@ public class SchedulingAppServiceTest
             return 0;
         }
 
+        @Override
+        public int countUnfinishedPlanCoursesByCId(String cId) {
+            return 0;
+        }
+
         @Override
         public int countStudentScoresByCId(String cId)
         {
diff --git a/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingTeacherStatusAndOptionsTest.java b/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingTeacherStatusAndOptionsTest.java
index 023e415a8..bdea5a0bd 100644
--- a/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingTeacherStatusAndOptionsTest.java
+++ b/RuoYi-Vue/ruoyi-train/src/test/java/com/ruoyi/train/service/impl/SchedulingTeacherStatusAndOptionsTest.java
@@ -622,6 +622,11 @@ public class SchedulingTeacherStatusAndOptionsTest
             return 0;
         }
 
+        @Override
+        public int countUnfinishedPlanCoursesByCId(String cId) {
+            return 0;
+        }
+
         @Override
         public int countStudentScoresByCId(String cId)
         {
diff --git a/build_ui/public/files/template/enrollment_import_template.xlsx b/build_ui/public/files/template/enrollment_import_template.xlsx
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diff --git a/build_ui/src/views/train/class/components/EnrollmentPanel.vue b/build_ui/src/views/train/class/components/EnrollmentPanel.vue
index d5d3f62cf..5f3371aa0 100644
--- a/build_ui/src/views/train/class/components/EnrollmentPanel.vue
+++ b/build_ui/src/views/train/class/components/EnrollmentPanel.vue
@@ -56,7 +56,7 @@
           :disabled="isPlanLocked"
           @click="handleOpenBatchAddModal"
         >添加参训人员</el-button>
-<!--        <el-button
+        <el-button
           v-hasPermi="['train:enrollment:import']"
           type="success"
           plain
@@ -64,7 +64,7 @@
           size="mini"
           :disabled="isPlanLocked"
           @click="handleOpenBatchModal"
-        >批量导入</el-button>-->
+        >批量导入</el-button>
       </div>
     </div>
 
@@ -461,8 +461,8 @@
             @click="downloadImportTemplate"
           >下载导入模板</el-button>
           <div class="el-upload__tip import-template-tip">
-            模板为 .xlsx，含「填写说明」工作表与一行示例数据（示例行导入时自动忽略）。列顺序固定：
-            学员ID（必填，须与学员主档学号一致）、参训来源（1/2/3，留空=2）、住宿需求（0/1，留空=0）、备注（自动建档时作为学员姓名）。
+            模板为 .xlsx，含「学员导入模板」工作表与一行示例数据（导入前请删除示例行）。列顺序固定：
+            学员姓名（必填）、联系电话（必填）、身份证号（必填）、性别、出生日期、所属单位、学号、房间号、门禁卡号、备注。
           </div>
         </el-form-item>
         <el-form-item label="上传文件">
@@ -874,6 +874,7 @@ import { addAuth } from '@/api/iot/auth'
 import { listDevice } from '@/api/iot/device'
 import { listFace, extract } from '@/api/iot/face'
 import { getPlan } from '@/api/train/plan'
+import { saveAs } from 'file-saver'
 
 /**
  * 门禁授权结果图标规则：字典值(train_accommodation_lock_result) → 图标 + 颜色。
@@ -1565,9 +1566,25 @@ export default {
       this.batchAddDialog.studentCandidates = []
     },
     // ---- Excel 批量导入 ----
-    /** 下载批量导入模板：xlsx，含逐列填写规则说明与一行示例数据 */
+    /** 下载批量导入模板：直接输出静态 xlsx 模板文件，内容与模板完全一致 */
     downloadImportTemplate() {
-      this.download('train/enrollments/importTemplate', {}, `参训人员导入模板_${new Date().getTime()}.xlsx`)
+      const url = (process.env.BASE_URL || '/') + 'files/template/enrollment_import_template.xlsx'
+      fetch(url).then(response => {
+        if (!response.ok) {
+          throw new Error(`模板下载失败：${response.status}`)
+        }
+        return response.blob()
+      }).then(blob => {
+        if (!blob.size || /text\/html/i.test(blob.type)) {
+          throw new Error('模板文件不可用')
+        }
+        saveAs(
+          new Blob([blob], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' }),
+          '学员导入模板.xlsx'
+        )
+      }).catch(() => {
+        this.$modal.msgError('导入模板下载失败，请稍后重试')
+      })
     },
     handleOpenBatchModal() {
       this.batchDialog.file = null
diff --git a/build_ui/src/views/train/class/index.vue b/build_ui/src/views/train/class/index.vue
index 9e616e380..71846ae3f 100644
--- a/build_ui/src/views/train/class/index.vue
+++ b/build_ui/src/views/train/class/index.vue
@@ -709,7 +709,8 @@ export default {
     getCoursePool() {
       this.selectorDialog.loading = true
       listCourse(this.selectorDialog.queryParams).then(response => {
-        this.selectorDialog.list = response.rows || []
+        // 引入课程弹窗只展示「正常」状态的课程：请求已带 status=1，此处对结果再过滤一次兜底
+        this.selectorDialog.list = (response.rows || []).filter(item => Number(item.status) === 1)
       }).finally(() => {
         this.selectorDialog.loading = false
       })
diff --git a/build_ui/src/views/train/course/index.vue b/build_ui/src/views/train/course/index.vue
index a6f18fd22..44e3fc818 100644
--- a/build_ui/src/views/train/course/index.vue
+++ b/build_ui/src/views/train/course/index.vue
@@ -64,11 +64,12 @@
           <el-tag :type="scope.row.status === 1 ? 'success' : 'info'">{{ scope.row.status === 1 ? '正常' : '停用' }}</el-tag>
         </template>
       </el-table-column>
-      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="240">
+      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="320">
         <template slot-scope="scope">
           <el-button v-hasPermi="['train:course:query']" size="mini" type="text" icon="el-icon-view" @click="handleDetail(scope.row)">详情</el-button>
           <el-button v-hasPermi="['train:course:edit']" size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改</el-button>
-          <el-button
+          <el-button v-hasPermi="['train:course:edit']" size="mini" type="text" icon="el-icon-folder-opened" @click="handleResource(scope.row)">课程资源</el-button>
+          <!--<el-button
             v-if="scope.row.status === 1"
             v-hasPermi="['train:course:edit']"
             size="mini"
@@ -85,7 +86,7 @@
             icon="el-icon-video-play"
             style="color: #67C23A;"
             @click="handleStatusChange(scope.row, 1)"
-          >启用</el-button>
+          >启用</el-button>-->
           <el-button
             v-hasPermi="['train:course:remove']"
             size="mini"
@@ -100,13 +101,9 @@
 
     <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />
 
+    <!-- 新增/修改课程：仅维护课程基本信息 -->
     <el-dialog :title="title" :visible.sync="open" width="820px" append-to-body @closed="reset">
-      <el-steps :active="activeStep" finish-status="success" simple class="course-steps">
-        <el-step title="课程基本信息" icon="el-icon-edit-outline" />
-        <el-step title="教学资源" icon="el-icon-folder-opened" />
-      </el-steps>
-
-      <el-form v-show="activeStep === 0" ref="form" :model="form" :rules="rules" label-width="90px" class="course-form">
+      <el-form ref="form" :model="form" :rules="rules" label-width="90px" class="course-form">
         <el-row :gutter="20">
           <el-col :span="12">
             <el-form-item label="课程编码" prop="cCode">
@@ -144,8 +141,11 @@
             <el-form-item label="状态" prop="status">
               <el-radio-group v-model="form.status">
                 <el-radio :label="1">正常</el-radio>
-                <el-radio :label="0">停用</el-radio>
+                <el-radio :label="0" :disabled="courseStatusDisableBlocked">停用</el-radio>
               </el-radio-group>
+              <div v-if="courseStatusDisableBlocked" style="color: #e6a23c; font-size: 12px; line-height: 1.5;">
+                该课程已被 {{ formUnfinishedPlanRefCount }} 个未完成状态的班级引用，不可停用；请等待班级完成（已结束/已取消）或移除本期课程配置后再试。
+              </div>
             </el-form-item>
           </el-col>
           <el-col :span="24">
@@ -156,95 +156,172 @@
         </el-row>
       </el-form>
 
-      <div v-show="activeStep === 1" class="resource-step">
-        <el-alert title="课程基本信息已保存，可关联资源库中的资料，或上传新资源后自动关联。" type="success" :closable="false" show-icon />
+      <div slot="footer" class="dialog-footer">
+        <el-button type="primary" :loading="savingCourse" @click="submitForm">确 定</el-button>
+        <el-button @click="cancel">取 消</el-button>
+      </div>
+    </el-dialog>
 
-        <el-card shadow="never" class="resource-card">
-          <div slot="header" class="card-header">
-            <span>已关联资源</span>
-            <el-tag size="small">{{ boundResources.length }} 项</el-tag>
+    <!-- 课程资源：专门管理本课程关联的教学资源 -->
+    <el-dialog :title="resourceTitle" :visible.sync="resourceOpen" width="960px" top="6vh" append-to-body class="course-resource-dialog">
+      <div v-loading="resourceLoading" class="resource-manage">
+        <!-- 概览 + 添加入口 -->
+        <div class="resource-hero">
+          <div class="resource-hero-info">
+            <div class="resource-hero-title">本课程资源</div>
+            <div class="resource-hero-sub">共 {{ boundResources.length }} 项 · {{ resourceTypeCount }} 个类型 · 当前显示 {{ filteredResources.length }} 项</div>
           </div>
-          <el-table :data="boundResources" empty-text="暂未关联教学资源" size="small">
-            <el-table-column label="资源名称" prop="resourceName" min-width="180" show-overflow-tooltip />
-            <el-table-column label="类型" prop="resourceType" width="110" align="center">
-              <template slot-scope="scope">
-                <dict-tag :options="dict.type.train_resource_type" :value="scope.row.resourceType" />
-              </template>
-            </el-table-column>
-            <el-table-column label="文件/地址" prop="resourceUrl" min-width="220" show-overflow-tooltip>
-              <template slot-scope="scope">
-                <el-link :href="resourceLink(scope.row)" target="_blank" type="primary" :underline="false">{{ resourceLabel(scope.row) }}</el-link>
-              </template>
-            </el-table-column>
-            <el-table-column label="操作" width="80" align="center">
-              <template slot-scope="scope">
-                <el-button type="text" size="mini" @click="handleUnbind(scope.row)">解除</el-button>
-              </template>
-            </el-table-column>
-          </el-table>
-        </el-card>
+          <el-button type="primary" size="small" :icon="addPanelOpen ? 'el-icon-arrow-up' : 'el-icon-plus'" @click="addPanelOpen = !addPanelOpen">
+            {{ addPanelOpen ? '收起添加' : '添加课程资源' }}
+          </el-button>
+        </div>
 
-        <el-card shadow="never" class="resource-card">
-          <div slot="header">从资源库关联</div>
-          <div class="resource-bind-row">
-            <el-select v-model="resourceToBind" filterable clearable placeholder="搜索并选择已有教学资源" style="flex: 1">
-              <el-option
-                v-for="item in availableResourceOptions"
-                :key="item.resourceId"
-                :label="item.resourceName"
-                :value="item.resourceId"
-              />
+        <!-- 主要视觉区域：检索 + 资源列表 -->
+        <section class="resource-main">
+          <div class="resource-toolbar">
+            <el-input v-model="resourceKeyword" size="small" clearable prefix-icon="el-icon-search" placeholder="搜索资源名称 / 文件名" class="resource-search" />
+            <el-select v-model="resourceTypeFilter" size="small" clearable placeholder="全部类型" class="resource-filter">
+              <el-option v-for="item in resourceTypeOptions" :key="item.value" :label="item.label" :value="item.value" />
             </el-select>
-            <el-button type="primary" :disabled="!resourceToBind" :loading="resourceActionLoading" @click="handleBindExisting">关联资源</el-button>
+            <el-select v-model="resourceSort" size="small" class="resource-sort">
+              <el-option label="关联顺序" value="default" />
+              <el-option label="名称排序" value="name" />
+              <el-option label="类型排序" value="type" />
+            </el-select>
+            <el-radio-group v-model="resourceViewMode" size="small" class="resource-view">
+              <el-radio-button label="group">分类</el-radio-button>
+              <el-radio-button label="table">列表</el-radio-button>
+            </el-radio-group>
           </div>
-        </el-card>
 
-        <el-card v-hasPermi="['train:resource:edit']" shadow="never" class="resource-card">
-          <div slot="header">上传并关联新资源</div>
-          <el-form ref="resourceForm" :model="resourceForm" :rules="resourceRules" label-width="90px">
-            <el-row :gutter="16">
-              <el-col :span="12">
-                <el-form-item label="资源名称" prop="resourceName">
-                  <el-input v-model="resourceForm.resourceName" maxlength="150" placeholder="请输入资源名称" />
-                </el-form-item>
-              </el-col>
-              <el-col :span="12">
-                <el-form-item label="资源类型" prop="resourceType">
-                  <el-select v-model="resourceForm.resourceType" placeholder="请选择资源类型" style="width: 100%">
-                    <el-option v-for="item in resourceTypeOptions" :key="item.value" :label="item.label" :value="item.value" />
-                  </el-select>
-                </el-form-item>
-              </el-col>
-              <el-col :span="24">
-                <el-form-item v-if="isExternalLink" label="外部链接" prop="resourceUrl">
-                  <el-input v-model="resourceForm.resourceUrl" maxlength="500" placeholder="请输入以 http(s):// 开头的地址" />
-                </el-form-item>
-                <el-form-item v-else label="资源文件" prop="resourceUrl">
-                  <file-upload v-model="resourceForm.resourceUrl" :limit="1" :file-size="100" :file-type="fileTypes" />
-                </el-form-item>
-              </el-col>
-              <el-col :span="24">
-                <el-form-item label="资源描述" prop="description">
-                  <el-input v-model="resourceForm.description" type="textarea" :rows="2" maxlength="500" placeholder="请输入资源描述/使用说明" />
-                </el-form-item>
-              </el-col>
-            </el-row>
-          </el-form>
-          <div class="resource-submit">
-            <el-button type="primary" icon="el-icon-upload" :loading="resourceActionLoading" @click="handleCreateAndBind">保存资源并关联</el-button>
+          <div ref="resourceListScroll" class="resource-list-scroll">
+            <template v-if="resourceViewMode === 'group'">
+              <div v-if="groupedResources.length" class="resource-groups">
+                <div v-for="group in groupedResources" :id="'resource-group-' + group.type" :key="group.type" class="resource-group">
+                  <div class="resource-group-head">
+                    <span class="resource-group-dot" :style="{ background: group.color }" />
+                    <span class="resource-group-name">{{ group.label }}</span>
+                    <el-tag size="mini" type="info">{{ group.items.length }} 项</el-tag>
+                  </div>
+                  <div class="resource-entries">
+                    <div v-for="item in group.items" :key="item.resourceId" class="resource-entry" @click="handleViewResource(item)">
+                      <span class="resource-entry-icon" :style="{ background: group.color + '18', color: group.color }">
+                        <i :class="resourceIcon(item)" />
+                      </span>
+                      <div class="resource-entry-body">
+                        <div class="resource-entry-name" :title="item.resourceName">{{ item.resourceName || '未命名资源' }}</div>
+                        <div class="resource-entry-meta" :title="item.resourceUrl">{{ resourceLabel(item) || '—' }}</div>
+                      </div>
+                      <el-button type="text" size="mini" icon="el-icon-delete" class="resource-entry-remove" @click.stop="handleUnbind(item)">解除</el-button>
+                    </div>
+                  </div>
+                </div>
+              </div>
+              <el-empty v-else :image-size="70" description="没有符合条件的资源" />
+            </template>
+            <el-table v-else :data="filteredResources" size="small" empty-text="没有符合条件的资源">
+              <el-table-column label="资源名称" prop="resourceName" min-width="180" show-overflow-tooltip />
+              <el-table-column label="类型" prop="resourceType" width="110" align="center">
+                <template slot-scope="scope">
+                  <dict-tag :options="dict.type.train_resource_type" :value="scope.row.resourceType" />
+                </template>
+              </el-table-column>
+              <el-table-column label="文件/地址" prop="resourceUrl" min-width="200" show-overflow-tooltip>
+                <template slot-scope="scope">
+                  <el-link type="primary" :underline="false" @click.native.prevent="handleViewResource(scope.row)">{{ resourceLabel(scope.row) }}</el-link>
+                </template>
+              </el-table-column>
+              <el-table-column label="操作" width="120" align="center">
+                <template slot-scope="scope">
+                  <el-button type="text" size="mini" @click="handleViewResource(scope.row)">查看</el-button>
+                  <el-button type="text" size="mini" @click="handleUnbind(scope.row)">解除</el-button>
+                </template>
+              </el-table-column>
+            </el-table>
           </div>
-        </el-card>
+        </section>
+
+        <!-- 次要区域：按需展开的添加课程资源（保留上传 / 关联两个 Tab） -->
+        <el-collapse-transition>
+          <section v-show="addPanelOpen" class="resource-add-section">
+            <div class="resource-section-title">添加课程资源</div>
+            <el-tabs v-model="resourceTab" class="resource-tabs">
+              <el-tab-pane label="上传资源" name="upload">
+                <el-alert :title="uploadTypeTip" type="info" :closable="false" show-icon class="resource-upload-tip" />
+                <div v-hasPermi="['train:resource:edit']">
+                  <el-form ref="resourceForm" :model="resourceForm" :rules="resourceRules" label-width="90px">
+                    <el-row :gutter="16">
+                      <el-col :xs="24" :sm="12">
+                        <el-form-item label="资源名称" prop="resourceName">
+                          <el-input v-model="resourceForm.resourceName" maxlength="150" placeholder="请输入资源名称" />
+                        </el-form-item>
+                      </el-col>
+                      <el-col :xs="24" :sm="12">
+                        <el-form-item label="资源类型" prop="resourceType">
+                          <el-select v-model="resourceForm.resourceType" placeholder="请选择资源类型" style="width: 100%">
+                            <el-option v-for="item in resourceTypeOptions" :key="item.value" :label="item.label" :value="item.value" />
+                          </el-select>
+                        </el-form-item>
+                      </el-col>
+                      <el-col :span="24">
+                        <el-form-item v-if="isExternalLink" label="外部链接" prop="resourceUrl">
+                          <el-input v-model="resourceForm.resourceUrl" maxlength="500" placeholder="请输入以 http(s):// 开头的地址" />
+                        </el-form-item>
+                        <el-form-item v-else label="资源文件" prop="resourceUrl">
+                          <file-upload v-model="resourceForm.resourceUrl" :limit="1" :file-size="100" :file-type="allowedFileTypes" :is-show-tip="false" />
+                        </el-form-item>
+                      </el-col>
+                      <el-col :span="24">
+                        <el-form-item label="资源描述" prop="description">
+                          <el-input v-model="resourceForm.description" type="textarea" :rows="2" maxlength="500" placeholder="请输入资源描述/使用说明" />
+                        </el-form-item>
+                      </el-col>
+                    </el-row>
+                  </el-form>
+                  <div class="resource-submit">
+                    <el-button type="primary" icon="el-icon-upload" :loading="resourceActionLoading" @click="handleCreateAndBind">保存资源并关联</el-button>
+                  </div>
+                </div>
+              </el-tab-pane>
+              <el-tab-pane label="关联已有资源" name="bind">
+                <el-alert title="从资源库中勾选已有资料，可一次关联多条到本课程。" type="info" :closable="false" show-icon />
+                <el-table
+                  ref="resourceBindTable"
+                  :data="availableResourceOptions"
+                  size="small"
+                  max-height="260"
+                  empty-text="暂无可关联的资源"
+                  class="resource-bind-table"
+                  @selection-change="handleResourceSelectionChange"
+                >
+                  <el-table-column type="selection" width="46" align="center" />
+                  <el-table-column label="名称" prop="resourceName" min-width="160" show-overflow-tooltip />
+                  <el-table-column label="类型" prop="resourceType" width="100" align="center">
+                    <template slot-scope="scope">
+                      <dict-tag :options="dict.type.train_resource_type" :value="scope.row.resourceType" />
+                    </template>
+                  </el-table-column>
+                  <el-table-column label="地址" prop="resourceUrl" min-width="200" show-overflow-tooltip>
+                    <template slot-scope="scope">{{ resourceLabel(scope.row) }}</template>
+                  </el-table-column>
+                  <el-table-column label="预览" width="80" align="center">
+                    <template slot-scope="scope">
+                      <el-button type="text" size="mini" @click="handleViewResource(scope.row)">预览</el-button>
+                    </template>
+                  </el-table-column>
+                </el-table>
+                <div class="resource-bind-row">
+                  <span class="resource-bind-tip">已选 {{ selectedResources.length }} 项</span>
+                  <el-button type="primary" :disabled="!selectedResources.length" :loading="resourceActionLoading" @click="handleBindExisting">关联所选资源</el-button>
+                </div>
+              </el-tab-pane>
+            </el-tabs>
+          </section>
+        </el-collapse-transition>
       </div>
 
       <div slot="footer" class="dialog-footer">
-        <template v-if="activeStep === 0">
-          <el-button type="primary" :loading="savingCourse" @click="saveCourseAndNext">保存并下一步</el-button>
-          <el-button @click="cancel">取消</el-button>
-        </template>
-        <template v-else>
-          <el-button @click="activeStep = 0">上一步</el-button>
-          <el-button type="primary" @click="finishWizard">完成</el-button>
-        </template>
+        <el-button @click="closeResource">关 闭</el-button>
       </div>
     </el-dialog>
 
@@ -341,9 +418,28 @@ import {
 } from '@/api/train/course'
 import { listResource, addResource } from '@/api/train/resource'
 
+// 资源类型（字典 train_resource_type）与允许上传的文件格式：
+// 1 文档 / 2 视频 / 3 3D模型 / 4 VR资源 / 5 外部教学链接（无文件上传）/ 6 其他（用兜底全集）
+const RESOURCE_FILE_TYPES = {
+  1: ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf', 'txt'],
+  2: ['mp4', 'avi', 'mov', 'wmv', 'm4v', 'flv', 'webm', 'mkv', 'mpg', 'mpeg'],
+  3: ['glb', 'gltf', 'obj', 'fbx', 'stl'],
+  4: ['zip', 'rar', '7z', 'glb', 'gltf', 'obj', 'fbx', 'mp4'],
+  5: []
+}
+
+/**
+ * 资源类型规范化：与上半部分列表的分组口径完全一致，覆盖字典全部取值及空值。
+ * 用于判断新添加的资源类型是否已在列表（含未分类）中存在。
+ */
+function resourceTypeKey(resource) {
+  const type = resource && resource.resourceType
+  return type === null || type === undefined || type === '' ? 'other' : String(type)
+}
+
 export default {
   name: 'Course',
-  dicts: ['train_course_type', 'train_resource_type'],
+  dicts: ['train_course_type', 'train_resource_type', 'train_common_status'],
   data() {
     const validateDuration = (rule, value, callback) => {
       const num = Number(value)
@@ -356,11 +452,25 @@ export default {
     const validateResourceUrl = (rule, value, callback) => {
       if (!value) {
         callback(new Error('资源文件或外部链接不能为空'))
-      } else if (Number(this.resourceForm.resourceType) === 5 && !/^https?:\/\//i.test(value)) {
-        callback(new Error('外部链接必须以 http:// 或 https:// 开头'))
-      } else {
-        callback()
+        return
       }
+      const type = Number(this.resourceForm.resourceType)
+      if (type === 5) {
+        if (!/^https?:\/\//i.test(value)) {
+          callback(new Error('外部链接必须以 http:// 或 https:// 开头'))
+          return
+        }
+        callback()
+        return
+      }
+      const allowed = RESOURCE_FILE_TYPES[type] || this.fileTypes
+      const path = String(value).split('?')[0].split('#')[0]
+      const ext = path.substring(path.lastIndexOf('.') + 1).toLowerCase()
+      if (allowed.indexOf(ext) === -1) {
+        callback(new Error(`当前资源类型仅支持 ${allowed.join(' / ')} 格式`))
+        return
+      }
+      callback()
     }
     return {
       loading: true,
@@ -379,12 +489,23 @@ export default {
       previewType: '',
       previewUrl: '',
       previewTitle: '资源预览',
-      activeStep: 0,
       savingCourse: false,
+      // 课程资源弹窗状态
+      resourceOpen: false,
+      resourceLoading: false,
+      resourceTab: 'upload',
+      resourceCourse: { cId: null, cName: '' },
+      // 资源列表检索与展示
+      addPanelOpen: true,
+      resourceKeyword: '',
+      resourceTypeFilter: null,
+      resourceSort: 'default',
+      resourceViewMode: 'group',
       resourceActionLoading: false,
       resourceOptions: [],
       boundResources: [],
-      resourceToBind: null,
+      // 「关联已有资源」表格的多选结果
+      selectedResources: [],
       fileTypes: ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf', 'txt', 'zip', 'rar', '7z', 'mp4', 'avi', 'mov', 'wmv', 'mp3', 'png', 'jpg', 'jpeg', 'gif', 'glb', 'gltf', 'obj', 'fbx'],
       queryParams: {
         pageNum: 1,
@@ -395,6 +516,9 @@ export default {
         status: null
       },
       form: {},
+      // 课程停用校验：编辑窗口打开时的未完成班级引用数与原状态
+      formUnfinishedPlanRefCount: 0,
+      formOriginalStatus: null,
       resourceForm: {},
       rules: {
         cCode: [
@@ -415,6 +539,39 @@ export default {
     }
   },
   computed: {
+    /**
+     * 课程停用限制：仅修改场景 + 仍被「未完成」状态班级引用 + 打开窗口时为正常状态。
+     * 班级已结束/已取消、课程配置已移除、新增课程及启用操作均不受影响。
+     */
+    courseStatusDisableBlocked() {
+      return this.form.cId != null &&
+        this.formUnfinishedPlanRefCount > 0 &&
+        Number(this.formOriginalStatus) === 1
+    },
+    // 资源状态取自字典 train_common_status，与 resource/index 口径一致
+    resourceStatusOptions() {
+      return (this.dict.type.train_common_status || []).map(item => ({
+        label: item.label,
+        value: /^-?\d+$/.test(String(item.value)) ? Number(item.value) : item.value,
+        raw: item.raw || {}
+      }))
+    },
+    /** 「正常」状态值：仅该状态的资源可被关联 */
+    normalStatusValue() {
+      const hit = this.resourceStatusOptions.find(item => {
+        const raw = item.raw || {}
+        return raw.isDefault === 'Y' || raw.isDefault === true || raw.listClass === 'primary' || String(item.label).indexOf('正常') !== -1
+      })
+      return hit ? hit.value : null
+    },
+    /** 上传新资源时的默认状态，不写死数值 */
+    defaultResourceStatus() {
+      if (this.normalStatusValue != null) return this.normalStatusValue
+      return this.resourceStatusOptions.length ? this.resourceStatusOptions[0].value : null
+    },
+    resourceTitle() {
+      return this.resourceCourse.cName ? `课程资源 · ${this.resourceCourse.cName}` : '课程资源'
+    },
     resourceTypeOptions() {
       return (this.dict.type.train_resource_type || []).map(item => ({
         label: item.label,
@@ -424,9 +581,75 @@ export default {
     isExternalLink() {
       return Number(this.resourceForm.resourceType) === 5
     },
+    /** 按所选资源类型动态限制可上传的文件格式 */
+    allowedFileTypes() {
+      return RESOURCE_FILE_TYPES[Number(this.resourceForm.resourceType)] || this.fileTypes
+    },
+    uploadTypeTip() {
+      if (this.isExternalLink) {
+        return '外部教学链接无需上传文件，请填写以 http(s):// 开头的地址。'
+      }
+      const label = this.dictLabel('train_resource_type', this.resourceForm.resourceType) || '当前资源类型'
+      return `当前资源类型为「${label}」，仅支持 ${this.allowedFileTypes.join(' / ')} 格式，单个文件不超过 100MB；切换资源类型后限制会同步更新。`
+    },
+    /** 资源列表：关键字检索 + 类型筛选 + 排序 */
+    filteredResources() {
+      const keyword = String(this.resourceKeyword || '').trim().toLowerCase()
+      const type = this.resourceTypeFilter
+      const hasType = type !== null && type !== '' && type !== undefined
+      let list = (this.boundResources || []).filter(item => {
+        if (hasType && String(item.resourceType) !== String(type)) return false
+        if (keyword) {
+          const text = (String(item.resourceName || '') + ' ' + String(item.resourceUrl || '')).toLowerCase()
+          if (text.indexOf(keyword) === -1) return false
+        }
+        return true
+      })
+      if (this.resourceSort === 'name') {
+        list = list.slice().sort((a, b) => String(a.resourceName || '').localeCompare(String(b.resourceName || ''), 'zh-Hans-CN'))
+      } else if (this.resourceSort === 'type') {
+        list = list.slice().sort((a, b) => {
+          const diff = (Number(a.resourceType) || 0) - (Number(b.resourceType) || 0)
+          return diff || String(a.resourceName || '').localeCompare(String(b.resourceName || ''), 'zh-Hans-CN')
+        })
+      }
+      return list
+    },
+    /** 按资源类型分组展示，分组顺序与字典编码一致 */
+    groupedResources() {
+      const map = {}
+      this.filteredResources.forEach(item => {
+        const key = resourceTypeKey(item)
+        if (!map[key]) map[key] = []
+        map[key].push(item)
+      })
+      return Object.keys(map).sort((a, b) => {
+        if (a === 'other') return 1
+        if (b === 'other') return -1
+        return (Number(a) || 0) - (Number(b) || 0)
+      }).map(key => ({
+        type: key,
+        label: this.resourceTypeLabel(key),
+        color: this.resourceTypeColor(key),
+        items: map[key]
+      }))
+    },
+    resourceTypeCount() {
+      const types = {}
+      const list = this.boundResources || []
+      list.forEach(item => {
+        types[resourceTypeKey(item)] = true
+      })
+      return Object.keys(types).length
+    },
     availableResourceOptions() {
       const boundIds = this.boundResources.map(item => String(item.resourceId))
-      return this.resourceOptions.filter(item => boundIds.indexOf(String(item.resourceId)) === -1)
+      const normal = this.normalStatusValue
+      return this.resourceOptions.filter(item => {
+        if (boundIds.indexOf(String(item.resourceId)) !== -1) return false
+        // 字典异步到达后也会重新计算，保证下拉始终只有正常状态的可关联资源
+        return normal == null || (item.status != null && String(item.status) === String(normal))
+      })
     },
     featuredResource() {
       if (!this.detailResources.length) {
@@ -446,7 +669,7 @@ export default {
   },
   watch: {
     'resourceForm.resourceType'(newVal, oldVal) {
-      if (oldVal !== undefined && newVal !== oldVal && this.open) {
+      if (oldVal !== undefined && newVal !== oldVal && this.resourceOpen) {
         this.$set(this.resourceForm, 'resourceUrl', null)
         this.$nextTick(() => {
           if (this.$refs.resourceForm) {
@@ -474,20 +697,94 @@ export default {
         this.loading = false
       })
     },
+    /** 可关联资源：只保留字典中「正常」状态的资源；字典未就绪时退化为原行为，避免下拉为空 */
     getResourceOptions() {
       return listResource({ pageNum: 1, pageSize: 1000 }).then(response => {
-        this.resourceOptions = response.rows || []
+        const rows = response.rows || []
+        const normal = this.normalStatusValue
+        this.resourceOptions = normal == null
+          ? rows
+          : rows.filter(item => item.status != null && String(item.status) === String(normal))
+        // 选项刷新后旧勾选可能已失效，统一清空
+        this.clearResourceSelection()
       })
     },
+    /** 打开课程资源弹窗：以当前行课程为主体加载资源库与已关联资源 */
+    handleResource(row) {
+      if (!row || !row.cId) return
+      this.resetResourceManage()
+      this.resourceCourse = { cId: row.cId, cName: row.cName || '' }
+      this.resourceOpen = true
+      this.resourceLoading = true
+      Promise.all([this.getResourceOptions(), this.loadCourseResources()])
+        .catch(() => {})
+        .finally(() => {
+          this.resourceLoading = false
+        })
+    },
+    /** 关闭课程资源弹窗并同步清空状态，避免异步 closed 事件与再次打开产生竞态 */
+    closeResource() {
+      this.resourceOpen = false
+      this.resetResourceManage()
+    },
+    /** 重置课程资源弹窗状态 */
+    resetResourceManage() {
+      this.resourceCourse = { cId: null, cName: '' }
+      this.resourceLoading = false
+      this.resourceTab = 'upload'
+      this.addPanelOpen = true
+      this.resourceKeyword = ''
+      this.resourceTypeFilter = null
+      this.resourceSort = 'default'
+      this.resourceViewMode = 'group'
+      this.resourceActionLoading = false
+      this.resourceOptions = []
+      this.boundResources = []
+      this.clearResourceSelection()
+      this.resetResourceForm()
+    },
     loadCourseResources() {
-      if (!this.form.cId) {
+      const cId = this.resourceCourse.cId
+      if (!cId) {
         this.boundResources = []
         return Promise.resolve()
       }
-      return getCourse(this.form.cId).then(response => {
+      return getCourse(cId).then(response => {
+        // 请求期间已切换到别的课程则丢弃过期结果
+        if (this.resourceCourse.cId !== cId) return
         this.boundResources = response.data.resources || []
       })
     },
+    /**
+     * 隐藏的自动刷新：添加资源成功后静默同步上半部分列表，无需用户操作。
+     * 列表中原先没有该资源类型时，额外清掉会遮挡新条目的检索条件；
+     * 所有类型统一以 getCourse 的全量关联结果为准，保证数据准确及时。
+     */
+    syncAfterResourceAdded(resource) {
+      // 兼容单条上传/关联与批量关联两种场景
+      const added = (Array.isArray(resource) ? resource : [resource]).filter(Boolean)
+      const addedTypes = added.map(item => resourceTypeKey(item))
+      const missingType = addedTypes.some(type => !this.boundResources.some(item => resourceTypeKey(item) === type))
+      if (missingType) {
+        this.resourceKeyword = ''
+        const filter = this.resourceTypeFilter
+        if (filter !== null && filter !== '' && filter !== undefined && addedTypes.indexOf(String(filter)) === -1) {
+          this.resourceTypeFilter = null
+        }
+      }
+      const firstType = addedTypes[0]
+      return Promise.all([this.getResourceOptions(), this.loadCourseResources()]).then(() => {
+        if (!missingType || this.resourceViewMode !== 'group' || !firstType) return
+        // 新类型分组渲染后滚到该分组，无需手动查找即可看到刚添加的资源
+        this.$nextTick(() => {
+          const container = this.$refs.resourceListScroll
+          const target = container && container.querySelector('[id="resource-group-' + firstType + '"]')
+          if (target) {
+            container.scrollTop += target.getBoundingClientRect().top - container.getBoundingClientRect().top
+          }
+        })
+      })
+    },
     cancel() {
       this.open = false
     },
@@ -547,10 +844,21 @@ export default {
       const item = list.find(d => String(d.value) === String(value))
       return item ? item.label : ''
     },
+    /** 资源分组名称：优先取字典，未配置时给出可读兜底 */
+    resourceTypeLabel(value) {
+      if (value === 'other') return '未分类'
+      return this.dictLabel('train_resource_type', value) || ('类型 ' + value)
+    },
+    resourceTypeColor(value) {
+      const colors = { 1: '#2b6bff', 2: '#10b981', 3: '#722ed1', 4: '#f79009', 5: '#36cfc9', 6: '#8a94a6' }
+      return colors[Number(value)] || '#8a94a6'
+    },
+    resourceIcon(item) {
+      const icons = { 1: 'el-icon-document', 2: 'el-icon-video-camera', 3: 'el-icon-box', 4: 'el-icon-view', 5: 'el-icon-link', 6: 'el-icon-folder' }
+      return icons[Number(item.resourceType)] || 'el-icon-folder'
+    },
     reset() {
-      this.activeStep = 0
       this.savingCourse = false
-      this.resourceActionLoading = false
       this.form = {
         cId: null,
         cCode: null,
@@ -562,10 +870,8 @@ export default {
         status: 1,
         remark: null
       }
-      this.resetResourceForm()
-      this.resourceOptions = []
-      this.boundResources = []
-      this.resourceToBind = null
+      this.formUnfinishedPlanRefCount = 0
+      this.formOriginalStatus = null
       this.resetForm('form')
     },
     resetResourceForm() {
@@ -575,7 +881,7 @@ export default {
         resourceType: 1,
         resourceUrl: null,
         description: null,
-        status: 1,
+        status: this.defaultResourceStatus,
         remark: null
       }
       this.resetForm('resourceForm')
@@ -601,47 +907,84 @@ export default {
       this.reset()
       const cId = (row && row.cId) || this.ids[0]
       getCourse(cId).then(response => {
-        this.form = { ...response.data }
+        // 未完成班级引用数是详情接口附带的派生字段，不参与表单提交
+        const { unfinishedPlanRefCount, ...courseForm } = response.data
+        this.form = { ...courseForm }
         this.form.status = this.form.status == null ? 1 : Number(this.form.status)
-        this.boundResources = response.data.resources || []
+        this.formUnfinishedPlanRefCount = Number(unfinishedPlanRefCount) || 0
+        this.formOriginalStatus = this.form.status
         this.title = '修改课程'
         this.open = true
       })
     },
-    saveCourseAndNext() {
+    /** 新增/修改课程：只保存基本信息，资源由“课程资源”弹窗单独管理 */
+    submitForm() {
       this.$refs.form.validate(valid => {
         if (!valid) {
           return
         }
+        // 前置拦截：即使绕过禁用的单选项，也不提交被未完成班级引用课程的停用变更
+        if (this.courseStatusDisableBlocked && Number(this.form.status) === 0) {
+          this.$modal.msgWarning('该课程已被未完成状态的班级引用，不可停用；请等待班级完成或移除本期课程配置后再试')
+          return
+        }
         this.savingCourse = true
-        const saving = this.form.cId ? updateCourse(this.form) : addCourse(this.form)
-        saving.then(response => {
-          if (!this.form.cId) {
-            this.form = { ...this.form, ...response.data }
-          }
-          return Promise.all([this.getResourceOptions(), this.loadCourseResources()])
-        }).then(() => {
-          this.activeStep = 1
-          this.$modal.msgSuccess('课程基本信息已保存')
+        const isEdit = !!this.form.cId
+        const saving = isEdit ? updateCourse(this.form) : addCourse(this.form)
+        saving.then(() => {
+          this.$modal.msgSuccess(isEdit ? '修改成功' : '新增成功')
+          this.open = false
           this.getList()
         }).finally(() => {
           this.savingCourse = false
         })
       })
     },
+    /** 「关联已有资源」表格多选：全选、单选、多选由 el-table 选择列统一处理 */
+    handleResourceSelectionChange(selection) {
+      this.selectedResources = selection || []
+    },
+    /** 清空勾选：关闭弹窗、选项刷新、关联成功后调用 */
+    clearResourceSelection() {
+      this.selectedResources = []
+      if (this.$refs.resourceBindTable) {
+        this.$refs.resourceBindTable.clearSelection()
+      }
+    },
+    /** 关联已有资源：一次勾选多条，逐条绑定后统一刷新列表 */
     handleBindExisting() {
-      if (!this.resourceToBind) {
+      const rows = this.selectedResources.slice()
+      if (!rows.length) {
+        this.$modal.msgWarning('请先选择要关联的资源')
+        return
+      }
+      const cId = this.resourceCourse.cId
+      if (!cId) return
+      // 只接受仍在正常状态可关联列表中的资源，防止绕过表格选中非正常状态资源
+      const validIds = this.availableResourceOptions.map(item => String(item.resourceId))
+      const validRows = rows.filter(item => validIds.indexOf(String(item.resourceId)) !== -1)
+      if (!validRows.length) {
+        this.$modal.msgWarning('所选资源不可关联，请重新选择状态正常的资源')
+        this.clearResourceSelection()
         return
       }
       this.resourceActionLoading = true
-      bindCourseResource(this.form.cId, {
-        resourceId: this.resourceToBind,
-        sortNo: this.boundResources.length
-      }).then(() => {
-        this.$modal.msgSuccess('资源关联成功')
-        this.resourceToBind = null
-        return this.loadCourseResources()
-      }).finally(() => {
+      const baseSort = this.boundResources.length
+      const tasks = validRows.map((item, index) => bindCourseResource(cId, {
+        resourceId: item.resourceId,
+        sortNo: baseSort + index
+      }).then(() => true, () => false))
+      // 单条失败不影响其它条目，部分成功也按后端全量结果刷新
+      Promise.all(tasks).then(results => {
+        const count = results.filter(Boolean).length
+        if (!count) {
+          this.$modal.msgError('资源关联失败，请稍后重试')
+          return
+        }
+        this.$modal.msgSuccess(count === validRows.length ? `已关联 ${count} 个资源` : `已关联 ${count} 个资源，${validRows.length - count} 个失败`)
+        this.clearResourceSelection()
+        return this.syncAfterResourceAdded(validRows)
+      }).catch(() => {}).finally(() => {
         this.resourceActionLoading = false
       })
     },
@@ -650,17 +993,22 @@ export default {
         if (!valid) {
           return
         }
+        // 新增接口可能只返回资源ID，先用表单里实际选择的类型兜底，保证类型判定准确
+        const formType = this.resourceForm.resourceType
         this.resourceActionLoading = true
         addResource(this.resourceForm).then(response => {
-          const resource = response.data
-          return bindCourseResource(this.form.cId, {
-            resourceId: resource.resourceId,
+          const created = response.data || {}
+          return bindCourseResource(this.resourceCourse.cId, {
+            resourceId: created.resourceId,
             sortNo: this.boundResources.length
-          })
-        }).then(() => {
+          }).then(() => ({
+            ...created,
+            resourceType: created.resourceType === null || created.resourceType === undefined ? formType : created.resourceType
+          }))
+        }).then(resource => {
           this.$modal.msgSuccess('资源已上传并关联')
           this.resetResourceForm()
-          return Promise.all([this.getResourceOptions(), this.loadCourseResources()])
+          return this.syncAfterResourceAdded(resource)
         }).finally(() => {
           this.resourceActionLoading = false
         })
@@ -668,34 +1016,52 @@ export default {
     },
     handleUnbind(resource) {
       this.$modal.confirm(`确定解除资源《${resource.resourceName}》与当前课程的关联吗？资源本身不会被删除。`).then(() => {
-        return unbindCourseResource(this.form.cId, resource.resourceId)
+        return unbindCourseResource(this.resourceCourse.cId, resource.resourceId)
       }).then(() => {
         this.$modal.msgSuccess('已解除关联')
         return this.loadCourseResources()
       }).catch(() => {})
     },
-    finishWizard() {
-      this.open = false
-      this.getList()
-    },
     handleStatusChange(row, newStatus) {
       const actionText = newStatus === 1 ? '启用' : '停用'
       const promptText = newStatus === 0
         ? `确定停用课程《${row.cName}》吗？停用后该课程将无法被新培训计划选用。`
         : `确定启用课程《${row.cName}》吗？`
-      this.$modal.confirm(promptText).then(() => {
+      // 原确认与提交逻辑不变，仅抽出供停用前置判断后调用
+      const doUpdate = () => this.$modal.confirm(promptText).then(() => {
         return updateCourse({ cId: row.cId, status: newStatus })
       }).then(() => {
         this.$modal.msgSuccess(`${actionText}成功`)
         this.getList()
       }).catch(() => {})
+      // 停用前查询未完成班级引用；启用路径不额外请求，行为不变
+      if (newStatus === 0) {
+        getCourse(row.cId).then(response => {
+          const refCount = Number(response.data && response.data.unfinishedPlanRefCount) || 0
+          if (refCount > 0) {
+            this.$modal.msgWarning(`课程《${row.cName}》已被 ${refCount} 个未完成状态的班级引用，不可停用；请等待班级完成或移除本期课程配置后再试`)
+            return
+          }
+          doUpdate()
+        }).catch(() => {})
+        return
+      }
+      doUpdate()
     },
     handleDelete(row) {
-      this.$modal.confirm(`确定删除课程《${row.cName}》吗？`).then(() => {
-        return delCourse(row.cId)
-      }).then(() => {
-        this.$modal.msgSuccess('删除成功')
-        this.getList()
+      // 与「停用」校验一致：复用详情接口返回的未完成班级引用数进行判断
+      getCourse(row.cId).then(response => {
+        const refCount = Number(response.data && response.data.unfinishedPlanRefCount) || 0
+        if (refCount > 0) {
+          this.$modal.msgWarning(`课程《${row.cName}》已被 ${refCount} 个未完成状态的班级引用，不可删除；请等待班级完成或移除本期课程配置后再试`)
+          return
+        }
+        this.$modal.confirm(`确定删除课程《${row.cName}》吗？`).then(() => {
+          return delCourse(row.cId)
+        }).then(() => {
+          this.$modal.msgSuccess('删除成功')
+          this.getList()
+        }).catch(() => {})
       }).catch(() => {})
     },
     resourceLink(resource) {
@@ -725,43 +1091,89 @@ export default {
       this.download('train/course/export', {
         ...this.queryParams
       }, `course_${new Date().getTime()}.xlsx`)
-    },
+    }
   }
 }
 </script>
 
 <style scoped>
-.course-steps {
-  margin-bottom: 24px;
-}
-
 .course-form {
   padding: 0 12px;
 }
 
-.resource-step {
-  max-height: 62vh;
-  overflow-y: auto;
-  padding: 0 4px;
-}
+/* 课程资源弹窗：列表为主视觉区域，添加区按需展开 */
+.course-resource-dialog /deep/ .el-dialog { width: 960px; max-width: 94vw; }
+.resource-manage { max-height: 78vh; overflow-y: auto; padding: 0 4px; }
 
-.resource-card {
-  margin-top: 16px;
-}
-
-.card-header {
+.resource-hero {
   display: flex;
   align-items: center;
   justify-content: space-between;
-}
-
-.resource-bind-row {
-  display: flex;
   gap: 12px;
+  padding: 14px 18px;
+  margin-bottom: 16px;
+  border: 1px solid #e3ebff;
+  border-radius: 10px;
+  background: linear-gradient(120deg, #f2f6ff 0%, #eef4ff 60%, #f7fbff 100%);
 }
+.resource-hero-info { min-width: 0; }
+.resource-hero-title { font-size: 16px; font-weight: 700; color: #1f2329; }
+.resource-hero-sub { margin-top: 6px; font-size: 12px; color: #6b768c; }
 
-.resource-submit {
-  text-align: right;
+.resource-main {
+  padding: 14px 16px 16px;
+  border: 1px solid #ebeef5;
+  border-radius: 10px;
+  background: #fff;
+  box-shadow: 0 1px 4px rgba(31,41,71,.05);
+}
+.resource-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
+.resource-search { width: 240px; }
+.resource-filter { width: 140px; }
+.resource-sort { width: 120px; }
+.resource-view { margin-left: auto; }
+.resource-list-scroll { max-height: 42vh; overflow-y: auto; padding-right: 2px; }
+
+.resource-group { margin-bottom: 16px; }
+.resource-group:last-child { margin-bottom: 0; }
+.resource-group-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 13px; font-weight: 600; color: #303133; }
+.resource-group-dot { flex: none; width: 8px; height: 8px; border-radius: 50%; }
+.resource-entries { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
+.resource-entry {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-width: 0;
+  padding: 10px 12px;
+  border: 1px solid #ebeef5;
+  border-radius: 8px;
+  background: #fff;
+  cursor: pointer;
+  transition: border-color .2s, box-shadow .2s, transform .2s;
+}
+.resource-entry:hover { border-color: #9dbcff; box-shadow: 0 4px 12px rgba(43,107,255,.12); transform: translateY(-1px); }
+.resource-entry-icon { flex: none; display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 8px; font-size: 18px; }
+.resource-entry-body { flex: 1; min-width: 0; }
+.resource-entry-name { font-size: 13px; font-weight: 600; color: #1f2329; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.resource-entry-meta { margin-top: 4px; font-size: 11px; color: #909399; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.resource-entry-remove { flex: none; color: #f56c6c; }
+
+.resource-add-section { margin-top: 16px; padding-top: 14px; border-top: 1px dashed #dfe4ed; }
+.resource-section-title { margin-bottom: 12px; font-size: 14px; font-weight: 600; color: #303133; }
+.resource-upload-tip { margin-bottom: 16px; }
+.resource-bind-table { margin-top: 12px; }
+.resource-bind-row { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 12px; }
+.resource-bind-tip { font-size: 12px; color: #909399; }
+.resource-submit { text-align: right; }
+
+@media (max-width: 768px) {
+  .course-resource-dialog /deep/ .el-dialog { width: 94vw; }
+  .resource-hero { flex-wrap: wrap; padding: 12px; }
+  .resource-search, .resource-filter, .resource-sort { width: 100%; }
+  .resource-view { margin-left: 0; }
+  .resource-entries { grid-template-columns: 1fr; }
+  .resource-list-scroll { max-height: 38vh; }
+  .resource-bind-row { flex-direction: column; align-items: flex-start; }
 }
 
 .course-detail {
diff --git a/build_ui/src/views/train/plan/index.vue b/build_ui/src/views/train/plan/index.vue
index 956eec3a6..8bbdb6ef7 100644
--- a/build_ui/src/views/train/plan/index.vue
+++ b/build_ui/src/views/train/plan/index.vue
@@ -178,14 +178,20 @@
     />
 
     <!-- 创建/编辑培训计划对话框 -->
-    <el-dialog :title="title" :visible.sync="open" width="660px" append-to-body>
+    <el-dialog :title="title" :visible.sync="open" width="1080px" append-to-body>
       <el-form ref="form" :model="form" :rules="rules" label-width="110px">
-        <el-form-item label="培训计划名称" prop="planName">
-          <el-input v-model="form.planName" maxlength="150" show-word-limit placeholder="请输入培训计划名称" />
-        </el-form-item>
-        <el-form-item label="班级名称" prop="className">
-          <el-input v-model="form.className" maxlength="150" show-word-limit placeholder="请输入班级名称" />
-        </el-form-item>
+        <el-row :gutter="20">
+          <el-col :span="12">
+            <el-form-item label="培训计划名称" prop="planName">
+              <el-input v-model="form.planName" maxlength="150" show-word-limit placeholder="请输入培训计划名称" />
+            </el-form-item>
+          </el-col>
+          <el-col :span="12">
+            <el-form-item label="班级名称" prop="className">
+              <el-input v-model="form.className" maxlength="150" show-word-limit placeholder="请输入班级名称" />
+            </el-form-item>
+          </el-col>
+        </el-row>
         <el-row :gutter="20">
           <el-col :span="12">
             <el-form-item label="开班时间" prop="startTime">
@@ -216,36 +222,50 @@
               <el-input-number v-model="form.recruitNum" :min="1" :precision="0" style="width: 100%" />
             </el-form-item>
           </el-col>
+          <el-col :span="12">
+            <el-form-item label="培训地点" prop="trainAddress">
+              <el-input v-model="form.trainAddress" maxlength="200" show-word-limit placeholder="请输入培训地点" />
+            </el-form-item>
+          </el-col>
         </el-row>
-        <el-form-item label="培训地点" prop="trainAddress">
-          <el-input v-model="form.trainAddress" maxlength="200" show-word-limit placeholder="请输入培训地点" />
-        </el-form-item>
-        <el-form-item label="所属专业" prop="classMajor">
-          <el-select v-model="form.classMajor" placeholder="请选择专业" clearable style="width: 100%">
-            <el-option v-for="opt in majorOptions" :key="opt.value" :label="opt.label" :value="opt.value" />
-          </el-select>
-        </el-form-item>
         <el-row :gutter="20">
+          <el-col :span="12">
+            <el-form-item label="所属专业" prop="classMajor">
+              <el-select v-model="form.classMajor" placeholder="请选择专业" clearable style="width: 100%">
+                <el-option v-for="opt in majorOptions" :key="opt.value" :label="opt.label" :value="opt.value" />
+              </el-select>
+            </el-form-item>
+          </el-col>
           <el-col :span="12">
             <el-form-item label="总学时" prop="totalClassHours">
               <el-input-number v-model="form.totalClassHours" :min="0" :precision="0" style="width: 100%" />
             </el-form-item>
           </el-col>
+        </el-row>
+        <el-row :gutter="20">
           <el-col :span="12">
             <el-form-item label="负责人" prop="manager">
               <el-input v-model="form.manager" maxlength="50" placeholder="请输入负责人" />
             </el-form-item>
           </el-col>
+          <el-col :span="12">
+            <el-form-item label="主办部门" prop="hostDeptId">
+              <treeselect v-model="form.hostDeptId" :options="deptOptions" :normalizer="normalizer" :show-count="true" placeholder="请选择主办部门" />
+            </el-form-item>
+          </el-col>
+        </el-row>
+        <el-row :gutter="20">
+          <el-col :span="12">
+            <el-form-item label="报名条件" prop="applyCondition">
+              <el-input v-model="form.applyCondition" type="textarea" :rows="3" placeholder="请输入报名条件" />
+            </el-form-item>
+          </el-col>
+          <el-col :span="12">
+            <el-form-item label="备注" prop="remark">
+              <el-input v-model="form.remark" type="textarea" :rows="2" maxlength="500" show-word-limit placeholder="请输入备注" />
+            </el-form-item>
+          </el-col>
         </el-row>
-        <el-form-item label="主办部门" prop="hostDeptId">
-          <treeselect v-model="form.hostDeptId" :options="deptOptions" :normalizer="normalizer" :show-count="true" placeholder="请选择主办部门" />
-        </el-form-item>
-        <el-form-item label="报名条件" prop="applyCondition">
-          <el-input v-model="form.applyCondition" type="textarea" :rows="3" placeholder="请输入报名条件" />
-        </el-form-item>
-        <el-form-item label="备注" prop="remark">
-          <el-input v-model="form.remark" type="textarea" :rows="2" maxlength="500" show-word-limit placeholder="请输入备注" />
-        </el-form-item>
       </el-form>
       <div slot="footer" class="dialog-footer">
         <el-button type="primary" @click="submitForm">确 定</el-button>
diff --git a/build_ui/src/views/train/resource/index.vue b/build_ui/src/views/train/resource/index.vue
index 7560710c6..7492d9767 100644
--- a/build_ui/src/views/train/resource/index.vue
+++ b/build_ui/src/views/train/resource/index.vue
@@ -30,9 +30,13 @@
         </el-select>
       </el-form-item>
       <el-form-item label="状态" prop="status">
-        <el-select v-model="queryParams.status" placeholder="资源状态" clearable>
-          <el-option label="正常" :value="1" />
-          <el-option label="停用" :value="0" />
+        <el-select v-model="queryParams.status" placeholder="全部状态" clearable>
+          <el-option
+            v-for="item in resourceStatusOptions"
+            :key="item.value"
+            :label="item.label"
+            :value="item.value"
+          />
         </el-select>
       </el-form-item>
       <el-form-item>
@@ -106,8 +110,7 @@
       <el-table-column label="资源描述" align="center" prop="description" :show-overflow-tooltip="true" />
       <el-table-column label="状态" align="center" prop="status">
         <template slot-scope="scope">
-          <el-tag v-if="scope.row.status === 1" type="success">正常</el-tag>
-          <el-tag v-else type="danger">停用</el-tag>
+          <dict-tag :options="dict.type.train_common_status" :value="scope.row.status" />
         </template>
       </el-table-column>
       <el-table-column label="创建时间" align="center" prop="createTime" width="160">
@@ -115,8 +118,14 @@
           <span>{{ parseTime(scope.row.createTime) }}</span>
         </template>
       </el-table-column>
-      <el-table-column label="操作" align="center" width="180" class-name="small-padding fixed-width">
+      <el-table-column label="操作" align="center" width="250" class-name="small-padding fixed-width">
         <template slot-scope="scope">
+          <el-button
+            size="mini"
+            type="text"
+            icon="el-icon-view"
+            @click="handlePreview(scope.row)"
+          >预览</el-button>
           <el-button
             v-hasPermi="['train:resource:edit']"
             size="mini"
@@ -129,6 +138,7 @@
             size="mini"
             type="text"
             icon="el-icon-delete"
+            style="color: #F56C6C;"
             @click="handleDelete(scope.row)"
           >删除</el-button>
         </template>
@@ -163,11 +173,19 @@
           <el-input v-model="form.resourceUrl" placeholder="请输入外部教学链接，以 http(s):// 开头" maxlength="500" />
         </el-form-item>
         <el-form-item v-else label="资源文件" prop="resourceUrl">
+          <el-alert
+            :title="uploadTypeTip"
+            type="info"
+            :closable="false"
+            show-icon
+            style="margin-bottom: 12px; line-height: 1.5;"
+          />
           <file-upload
             v-model="form.resourceUrl"
             :limit="1"
             :file-size="100"
-            :file-type="fileTypes"
+            :file-type="allowedFileTypes"
+            :is-show-tip="false"
           />
         </el-form-item>
         <el-form-item label="资源描述" prop="description">
@@ -175,9 +193,16 @@
         </el-form-item>
         <el-form-item label="状态" prop="status">
           <el-radio-group v-model="form.status">
-            <el-radio :label="1">正常</el-radio>
-            <el-radio :label="0">停用</el-radio>
+            <el-radio
+              v-for="item in resourceStatusOptions"
+              :key="item.value"
+              :label="item.value"
+              :disabled="isStatusOptionDisabled(item.value)"
+            >{{ item.label }}</el-radio>
           </el-radio-group>
+          <div v-if="statusDisableBlocked" style="color: #e6a23c; font-size: 12px; line-height: 1.5;">
+            该资源已被 {{ courseReferenceCount }} 门课程引用，不可改为停用；如需停用请先解除课程关联。
+          </div>
         </el-form-item>
         <el-form-item label="备注" prop="remark">
           <el-input v-model="form.remark" type="textarea" placeholder="请输入备注" maxlength="500" />
@@ -188,16 +213,107 @@
         <el-button @click="cancel">取 消</el-button>
       </div>
     </el-dialog>
+
+    <!-- 资源预览：由类型分发表决定渲染方式 -->
+    <el-dialog :title="previewTitle" :visible.sync="previewVisible" width="760px" append-to-body @closed="resetPreview">
+      <div class="preview-box">
+        <img v-if="previewMode === 'image'" :src="previewUrl" class="preview-media" alt="资源预览">
+        <video v-else-if="previewMode === 'video'" :src="previewUrl" controls class="preview-media" />
+        <audio v-else-if="previewMode === 'audio'" :src="previewUrl" controls class="preview-audio" />
+        <iframe v-else-if="previewMode === 'iframe'" :src="previewUrl" class="preview-frame" frameborder="0" />
+        <div v-else class="preview-placeholder">
+          <i class="el-icon-document" />
+          <p>{{ previewTip }}</p>
+        </div>
+      </div>
+      <div slot="footer" class="dialog-footer">
+        <el-button v-if="previewUrl" type="primary" @click="openPreviewSource">下载 / 打开原文件</el-button>
+        <el-button @click="previewVisible = false">关 闭</el-button>
+      </div>
+    </el-dialog>
   </div>
 </template>
 
 <script>
 import { listResource, getResource, addResource, updateResource, delResource } from '@/api/train/resource'
 
+// 与课程页「上传课程资源」完全一致的格式口径（字典 train_resource_type）：
+// 1 文档 / 2 视频 / 3 3D模型 / 4 VR资源 / 5 外部教学链接（无文件上传）/ 6 其他（用兜底全集）
+// 如调整课程页 RESOURCE_FILE_TYPES，请同步此处
+const RESOURCE_FILE_TYPES = {
+  1: ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf', 'txt'],
+  2: ['mp4', 'avi', 'mov', 'wmv', 'm4v', 'flv', 'webm', 'mkv', 'mpg', 'mpeg'],
+  3: ['glb', 'gltf', 'obj', 'fbx', 'stl'],
+  4: ['zip', 'rar', '7z', 'glb', 'gltf', 'obj', 'fbx', 'mp4'],
+  5: []
+}
+
+// 预览类型判断：优先按文件扩展名，其次按资源类型字典值
+const PREVIEW_KIND_BY_EXT = {
+  doc: 'document', docx: 'document', xls: 'document', xlsx: 'document', ppt: 'document', pptx: 'document', txt: 'document',
+  pdf: 'pdf',
+  mp4: 'video', avi: 'video', mov: 'video', wmv: 'video', m4v: 'video', flv: 'video', webm: 'video', mkv: 'video', mpg: 'video', mpeg: 'video',
+  png: 'image', jpg: 'image', jpeg: 'image', gif: 'image', bmp: 'image', webp: 'image',
+  mp3: 'audio', wav: 'audio', ogg: 'audio',
+  glb: 'model3d', gltf: 'model3d', obj: 'model3d', fbx: 'model3d', stl: 'model3d',
+  zip: 'archive', rar: 'archive', '7z': 'archive'
+}
+const PREVIEW_KIND_BY_TYPE = { 1: 'document', 2: 'video', 3: 'model3d', 4: 'vr', 5: 'link', 6: 'other' }
+const PREVIEW_KIND_LABELS = {
+  image: '图片', video: '视频', audio: '音频', pdf: 'PDF 文档', document: '文档',
+  model3d: '3D 模型', vr: 'VR 资源', archive: '压缩包', link: '外部链接', other: '其他', unknown: '未识别类型'
+}
+/**
+ * 预览方法分发表：kind -> 组件方法名，unsupported 表示仅给出不支持提示。
+ * 扩展方式：新增类型只需在 PREVIEW_KIND_BY_EXT / PREVIEW_KIND_BY_TYPE 中登记 kind，
+ * 再在此表登记处理方法（可复用已有方法，或新增一个 openXxxPreview 方法），分发逻辑无需改动。
+ */
+const PREVIEW_HANDLERS = {
+  image: 'openImagePreview',
+  video: 'openVideoPreview',
+  audio: 'openAudioPreview',
+  pdf: 'openEmbedPreview',
+  document: 'openDownloadPreview',
+  link: 'openLinkPreview',
+  model3d: 'unsupported',
+  vr: 'unsupported',
+  archive: 'unsupported',
+  other: 'unsupported'
+}
+
 export default {
   name: 'TrainResource',
-  dicts: ['train_resource_type'],
+  dicts: ['train_resource_type', 'train_common_status'],
   data() {
+    // 提交时二次校验：确保已选文件/地址仍符合当前资源类型（选文件时已由上传组件即时拦截）
+    const validateResourceUrl = (rule, value, callback) => {
+      if (!value) {
+        callback(new Error('资源文件或外部链接不能为空'))
+        return
+      }
+      // 修改时未改动的历史地址不重新校验，避免已有数据因新增的前端规则无法保存
+      if (this.originalResourceUrl && value === this.originalResourceUrl) {
+        callback()
+        return
+      }
+      const type = Number(this.form.resourceType)
+      if (type === 5) {
+        if (!/^https?:\/\//i.test(value)) {
+          callback(new Error('外部链接必须以 http:// 或 https:// 开头'))
+          return
+        }
+        callback()
+        return
+      }
+      const allowed = RESOURCE_FILE_TYPES[type] || this.fileTypes
+      const path = String(value).split('?')[0].split('#')[0]
+      const ext = path.substring(path.lastIndexOf('.') + 1).toLowerCase()
+      if (allowed.indexOf(ext) === -1) {
+        callback(new Error(`当前资源类型仅支持 ${allowed.join(' / ')} 格式，请重新选择文件`))
+        return
+      }
+      callback()
+    }
     return {
       // 遮罩层
       loading: true,
@@ -229,6 +345,19 @@ export default {
       },
       // 表单参数
       form: {},
+      // 预览弹窗状态（仅由操作栏「预览」入口使用）
+      previewVisible: false,
+      previewMode: '',
+      previewUrl: '',
+      previewTitle: '资源预览',
+      previewTip: '',
+      // 修改场景的原始资源地址（用于跳过历史值的重复格式校验）
+      originalResourceUrl: null,
+      // 修改弹窗回填表单期间跳过「切换类型清空文件」逻辑
+      initializingForm: false,
+      // 编辑窗口打开时的原状态与课程引用数，用于判断能否停用
+      originalStatus: null,
+      courseReferenceCount: 0,
       // 表单校验
       rules: {
         resourceName: [
@@ -238,12 +367,51 @@ export default {
           { required: true, message: '资源类型不能为空', trigger: 'change' }
         ],
         resourceUrl: [
-          { required: true, message: '资源文件或外部链接不能为空', trigger: ['blur', 'change'] }
+          { required: true, message: '资源文件或外部链接不能为空', trigger: ['blur', 'change'] },
+          { validator: validateResourceUrl, trigger: ['blur', 'change'] }
         ]
       }
     }
   },
   computed: {
+    // 资源状态统一取自字典 train_common_status，值由字典维护，页面不写死 1/0
+    resourceStatusOptions() {
+      return (this.dict.type.train_common_status || []).map(item => ({
+        label: item.label,
+        value: /^-?\d+$/.test(String(item.value)) ? Number(item.value) : item.value,
+        raw: item.raw || {}
+      }))
+    },
+    /** 「正常」状态值：优先字典默认项，其次按 primary 样式/正常文案识别 */
+    normalStatusValue() {
+      const hit = this.resourceStatusOptions.find(item => {
+        const raw = item.raw || {}
+        return raw.isDefault === 'Y' || raw.isDefault === true || raw.listClass === 'primary' || String(item.label).indexOf('正常') !== -1
+      })
+      return hit ? hit.value : null
+    },
+    /** 新增资源默认状态；字典尚未就绪时取字典首项，仍不写死数值 */
+    defaultResourceStatus() {
+      if (this.normalStatusValue != null) return this.normalStatusValue
+      return this.resourceStatusOptions.length ? this.resourceStatusOptions[0].value : null
+    },
+    /** 「停用」状态值：字典中除「正常」之外的状态项 */
+    disabledStatusValue() {
+      const normal = this.normalStatusValue
+      const hit = this.resourceStatusOptions.find(item => normal != null && String(item.value) !== String(normal))
+      return hit ? hit.value : null
+    },
+    /**
+     * 限制触发条件：修改场景 + 资源已被课程引用 + 打开窗口时为「正常」状态。
+     * 作用范围：仅编辑窗口的状态单选与提交；新增、未绑定、原本已停用的资源不受影响。
+     * 预期行为：禁止选择停用并提示先解除课程关联，后端 updateTrainResource 做同等兜底。
+     */
+    statusDisableBlocked() {
+      return this.form.resourceId != null &&
+        this.courseReferenceCount > 0 &&
+        this.normalStatusValue != null &&
+        String(this.originalStatus) === String(this.normalStatusValue)
+    },
     // 资源类型下拉项：字典值为字符串，数据表字段为整型，需转成数字
     resourceTypeOptions() {
       return (this.dict.type.train_resource_type || []).map(item => ({
@@ -254,11 +422,26 @@ export default {
     // 资源类型为「外部教学链接」时不走上传，改为填写地址
     isExternalLink() {
       return Number(this.form.resourceType) === 5
+    },
+    // 由资源类型选择器决定允许上传的格式，与课程页「上传课程资源」一致
+    allowedFileTypes() {
+      return RESOURCE_FILE_TYPES[Number(this.form.resourceType)] || this.fileTypes
+    },
+    uploadTypeTip() {
+      if (this.isExternalLink) {
+        return '外部教学链接无需上传文件，请填写以 http(s):// 开头的地址。'
+      }
+      const list = this.dict.type.train_resource_type || []
+      const hit = list.find(item => String(item.value) === String(this.form.resourceType))
+      const label = hit ? hit.label : '当前资源类型'
+      return `当前资源类型为「${label}」，仅支持 ${this.allowedFileTypes.join(' / ')} 格式，单个文件不超过 100MB；切换资源类型后限制会同步更新。`
     }
   },
   watch: {
     // 切换资源类型时清空已选资源地址，避免类型与地址不匹配
     'form.resourceType'(newVal, oldVal) {
+      // 修改弹窗回填数据时属于初始化，不是用户切换类型，不能清空原有文件地址
+      if (this.initializingForm) return
       if (oldVal !== undefined && newVal !== oldVal && this.open) {
         this.$set(this.form, 'resourceUrl', null)
         this.$nextTick(() => {
@@ -277,7 +460,7 @@ export default {
     goBackCourse() {
       this.$router.push('/equip/course')
     },
-    /** 查询教学资源列表 */
+    /** 查询教学资源列表：默认不带状态条件，展示全部状态；状态仅作为用户可选的显式筛选 */
     getList() {
       this.loading = true
       listResource(this.queryParams).then(response => {
@@ -291,6 +474,12 @@ export default {
       this.open = false
       this.reset()
     },
+    /** 已绑定课程且原状态为正常的资源，禁止选择「停用」 */
+    isStatusOptionDisabled(value) {
+      return this.statusDisableBlocked &&
+        this.disabledStatusValue != null &&
+        String(value) === String(this.disabledStatusValue)
+    },
     // 表单重置
     reset() {
       this.form = {
@@ -299,9 +488,13 @@ export default {
         resourceType: 1,
         resourceUrl: null,
         description: null,
-        status: 1,
+        status: this.defaultResourceStatus,
         remark: null
       }
+      this.originalResourceUrl = null
+      this.initializingForm = false
+      this.originalStatus = null
+      this.courseReferenceCount = 0
       this.resetForm('form')
     },
     /** 搜索按钮操作 */
@@ -329,22 +522,36 @@ export default {
     /** 修改按钮操作 */
     handleUpdate(row) {
       this.reset()
+      this.initializingForm = true
       const resourceId = row.resourceId || this.ids
       getResource(resourceId).then(response => {
+        // 课程引用数是详情接口附带的派生字段，不参与表单提交
+        const { courseReferenceCount, ...resourceForm } = response.data
         // 资源类型为整型，防止后端返回字符串导致下拉/单选回显失败
         this.form = {
-          ...response.data,
+          ...resourceForm,
           resourceType: response.data.resourceType == null ? null : Number(response.data.resourceType),
-          status: response.data.status == null ? 1 : Number(response.data.status)
+          status: response.data.status == null ? this.defaultResourceStatus : Number(response.data.status)
         }
+        this.courseReferenceCount = Number(courseReferenceCount) || 0
+        this.originalStatus = this.form.status
+        this.originalResourceUrl = this.form.resourceUrl || null
         this.open = true
         this.title = '修改教学资源'
+        this.$nextTick(() => {
+          this.initializingForm = false
+        })
       })
     },
     /** 提交按钮 */
     submitForm() {
       this.$refs['form'].validate(valid => {
         if (valid) {
+          // 前置拦截：即使绕过禁用的单选项，也不提交已绑定资源的停用变更
+          if (this.statusDisableBlocked && this.isStatusOptionDisabled(this.form.status)) {
+            this.$modal.msgWarning('该资源已被课程引用，不可停用，请先解除课程关联')
+            return
+          }
           if (this.form.resourceId != null) {
             updateResource(this.form).then(response => {
               this.$modal.msgSuccess('修改成功')
@@ -368,11 +575,20 @@ export default {
         this.$modal.msgWarning('请选择要删除的数据')
         return
       }
-      this.$modal.confirm('是否确认删除资源编号为"' + ids + '"的数据项？').then(function() {
-        return delResource(ids)
-      }).then(() => {
-        this.getList()
-        this.$modal.msgSuccess('删除成功')
+      const idList = Array.isArray(ids) ? ids : [ids]
+      // 与「停用」校验一致：复用详情接口返回的课程引用数进行判断
+      Promise.all(idList.map(id => getResource(id))).then(list => {
+        const blocked = list.some(response => Number(response.data && response.data.courseReferenceCount) > 0)
+        if (blocked) {
+          this.$modal.msgWarning('所选资源已被课程引用，不可删除；请先解除课程关联')
+          return
+        }
+        this.$modal.confirm('是否确认删除资源编号为"' + ids + '"的数据项？').then(function() {
+          return delResource(ids)
+        }).then(() => {
+          this.getList()
+          this.$modal.msgSuccess('删除成功')
+        }).catch(() => {})
       }).catch(() => {})
     },
     // 资源文件访问地址
@@ -391,7 +607,99 @@ export default {
         return ''
       }
       return url.substring(url.lastIndexOf('/') + 1)
+    },
+    /**
+     * 操作栏「预览」入口：只处理当前行，不改动查询、分页、表单及选中状态
+     */
+    handlePreview(row) {
+      if (!row || !row.resourceUrl) {
+        this.$modal.msgWarning('资源地址无效，无法预览')
+        return
+      }
+      this.dispatchPreview(this.resolvePreviewKind(row), row, this.fileUrl(row.resourceUrl))
+    },
+    /** 类型判断：文件扩展名优先，其次资源类型字典值，均无法匹配时标记 unknown */
+    resolvePreviewKind(row) {
+      const path = String(row.resourceUrl || '').split('?')[0].split('#')[0]
+      const dot = path.lastIndexOf('.')
+      const ext = dot === -1 ? '' : path.substring(dot + 1).toLowerCase()
+      const byExt = PREVIEW_KIND_BY_EXT[ext]
+      if (byExt) return byExt
+      return PREVIEW_KIND_BY_TYPE[Number(row.resourceType)] || 'unknown'
+    },
+    /** 预览方法分发：新增类型只需扩展常量表，不改此处逻辑 */
+    dispatchPreview(kind, row, url) {
+      const handler = PREVIEW_HANDLERS[kind]
+      const label = PREVIEW_KIND_LABELS[kind] || '未知类型'
+      if (kind === 'unknown' || !handler) {
+        this.$modal.msgWarning('无法识别该资源类型，暂不支持预览')
+        return
+      }
+      if (handler === 'unsupported') {
+        this.$modal.msgWarning(`「${label}」暂不支持在线预览，可点击资源地址下载后查看`)
+        return
+      }
+      if (typeof this[handler] !== 'function') {
+        this.$modal.msgWarning('预览方法未配置，请联系管理员')
+        return
+      }
+      this[handler](row, url, label)
+    },
+    setPreview(mode, url, row, tip) {
+      this.previewMode = mode
+      this.previewUrl = url
+      this.previewTitle = (row.resourceName || '资源预览') + ' · 预览'
+      this.previewTip = tip || ''
+      this.previewVisible = true
+    },
+    openImagePreview(row, url) {
+      this.setPreview('image', url, row)
+    },
+    openVideoPreview(row, url) {
+      this.setPreview('video', url, row)
+    },
+    openAudioPreview(row, url) {
+      this.setPreview('audio', url, row)
+    },
+    openEmbedPreview(row, url) {
+      this.setPreview('iframe', url, row)
+    },
+    openDownloadPreview(row, url, label) {
+      this.setPreview('other', url, row, `「${label}」不支持在线预览，可点击下方按钮打开或下载原文件。`)
+    },
+    openLinkPreview(row, url) {
+      window.open(url, '_blank')
+    },
+    openPreviewSource() {
+      if (this.previewUrl) {
+        window.open(this.previewUrl, '_blank')
+      }
+    },
+    resetPreview() {
+      this.previewMode = ''
+      this.previewUrl = ''
+      this.previewTip = ''
+      this.previewTitle = '资源预览'
     }
   }
 }
 </script>
+
+<style scoped>
+.preview-box {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 260px;
+  padding: 12px;
+  border-radius: 8px;
+  background: #f7f8fa;
+  overflow: hidden;
+}
+.preview-media { display: block; max-width: 100%; max-height: 60vh; }
+.preview-audio { width: 100%; }
+.preview-frame { width: 100%; height: 60vh; border: 0; }
+.preview-placeholder { text-align: center; color: #909399; }
+.preview-placeholder i { font-size: 42px; }
+.preview-placeholder p { margin-top: 12px; font-size: 13px; }
+</style>