1、教学楼添加批量删除功能；

2、教学楼导入代号从excel获取，不要自己生成

backend/roomroot-admin/src/main/java/com/roomroot/web/controller/jwgl/BuildController.java

@@ -5,6 +5,8 @@ import com.roomroot.jwgl.service.BuildService;
 import com.roomroot.jwgl.unit.PageQuery;
 import com.roomroot.jwgl.unit.PageResult;
 import com.roomroot.jwgl.unit.Result;
+import com.roomroot.jwgl.vo.build.BuildDeleteResultVO;
+import com.roomroot.jwgl.vo.build.BuildImportResultVO;
 import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletResponse;
 import org.springframework.web.bind.annotation.*;
@@ -40,6 +42,15 @@ public class BuildController {
         return Result.success();
     }
 
+    /**
+     * 批量删除教学楼（已绑定教学场地的跳过不删）
+     */
+    @PostMapping("/batchDelete")
+    public Result<BuildDeleteResultVO> batchDelete(@RequestBody List<String> ids) {
+        BuildDeleteResultVO result = buildService.batchDelete(ids);
+        return Result.success(result.getMessage(), result);
+    }
+
     /**
      * 更新教学楼
      */
@@ -77,9 +88,9 @@ public class BuildController {
      * 导入Excel文件
      */
     @PostMapping("/import")
-    public Result<Integer> importExcel(@RequestParam("file") MultipartFile file) {
-        int count = buildService.importExcel(file);
-        return Result.success("导入成功", count);
+    public Result<BuildImportResultVO> importExcel(@RequestParam("file") MultipartFile file) {
+        BuildImportResultVO result = buildService.importExcel(file);
+        return Result.success(result.getMessage(), result);
     }
 
     /**