测试验收：补充一期后端业务场景测试

scripts/qa/CheckCr.java

@@ -0,0 +1,22 @@
+
+import java.io.File;
+import java.nio.file.Files;
+import java.sql.*;
+
+public class CheckCr {
+    public static void main(String[] args) throws Exception {
+        Class.forName("com.kingbase8.Driver");
+        File yml = new File("RuoYi-Vue/ruoyi-admin/src/main/resources/application-druid.yml");
+        String pass = "";
+        for (String line : Files.readAllLines(yml.toPath())) {
+            if (line.trim().startsWith("password:")) pass = line.trim().substring("password:".length()).trim();
+        }
+        try (Connection conn = DriverManager.getConnection("jdbc:kingbase8://127.0.0.1:4321/railwaysystem_integrated_qa_20260916?useUnicode=true&characterEncoding=utf8", "kingbase", pass);
+             Statement st = conn.createStatement();
+             ResultSet rs = st.executeQuery("SELECT class_room_id, room_name, room_status, del_flag FROM public.train_classroom_info")) {
+            while (rs.next()) {
+                System.out.println("CR: id=" + rs.getString(1) + ", name=" + rs.getString(2) + ", status=" + rs.getString(3) + ", delFlag=" + rs.getString(4));
+            }
+        }
+    }
+}