content: 
  package com.platform.modules.system.rest;
  
  import cn.hutool.core.collection.CollectionUtil;
  import io.swagger.annotations.Api;
  import io.swagger.annotations.ApiOperation;
  import lombok.RequiredArgsConstructor;
  import com.platform.annotation.Log;
  import com.platform.exception.BadRequestException;
  import com.platform.modules.system.domain.Dept;
  import com.platform.modules.system.service.DeptService;
  import com.platform.modules.system.service.dto.DeptDto;
  import com.platform.modules.system.service.dto.DeptQueryCriteria;
  import com.platform.utils.PageUtil;
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.security.access.prepost.PreAuthorize;
  import org.springframework.validation.annotation.Validated;
  import org.springframework.web.bind.annotation.*;
  import javax.servlet.http.HttpServletResponse;
  import java.util.*;
  
  /**
  * @author AllDataDC
  * @date 2023-01-27
  */
  @RestController
  @RequiredArgsConstructor
  @Api(tags = "系统：部门管理")
  @RequestMapping("/api/dept")
  public class DeptController {
  
      private final DeptService deptService;
      private static final String ENTITY_NAME = "dept";
  
      @ApiOperation("导出部门数据")
      @GetMapping(value = "/download")
      @PreAuthorize("@el.check('dept:list')")
      public void exportDept(HttpServletResponse response, DeptQueryCriteria criteria) throws Exception {
          deptService.download(deptService.queryAll(criteria, false), response);
      }
  
      @ApiOperation("查询部门")
      @GetMapping
      @PreAuthorize("@el.check('user:list','dept:list')")
      public ResponseEntity<Object> queryDept(DeptQueryCriteria criteria) throws Exception {
          List<DeptDto> deptDtos = deptService.queryAll(criteria, true);
          return new ResponseEntity<>(PageUtil.toPage(deptDtos, deptDtos.size()),HttpStatus.OK);
      }
  
      @ApiOperation("查询部门:根据ID获取同级与上级数据")
      @PostMapping("/superior")
      @PreAuthorize("@el.check('user:list','dept:list')")
      public ResponseEntity<Object> getDeptSuperior(@RequestBody List<Long> ids) {
          Set<DeptDto> deptDtos  = new LinkedHashSet<>();
          for (Long id : ids) {
              DeptDto deptDto = deptService.findById(id);
              List<DeptDto> depts = deptService.getSuperior(deptDto, new ArrayList<>());
              deptDtos.addAll(depts);
          }
          return new ResponseEntity<>(deptService.buildTree(new ArrayList<>(deptDtos)),HttpStatus.OK);
      }
  
      @Log("新增部门")
      @ApiOperation("新增部门")
      @PostMapping
      @PreAuthorize("@el.check('dept:add')")
      public ResponseEntity<Object> createDept(@Validated @RequestBody Dept resources){
          if (resources.getId() != null) {
              throw new BadRequestException("A new "+ ENTITY_NAME +" cannot already have an ID");
          }
          deptService.create(resources);
          return new ResponseEntity<>(HttpStatus.CREATED);
      }
  
      @Log("修改部门")
      @ApiOperation("修改部门")
      @PutMapping
      @PreAuthorize("@el.check('dept:edit')")
      public ResponseEntity<Object> updateDept(@Validated(Dept.Update.class) @RequestBody Dept resources){
          deptService.update(resources);
          return new ResponseEntity<>(HttpStatus.NO_CONTENT);
      }
  
      @Log("删除部门")
      @ApiOperation("删除部门")
      @DeleteMapping
      @PreAuthorize("@el.check('dept:del')")
      public ResponseEntity<Object> deleteDept(@RequestBody Set<Long> ids){
          Set<DeptDto> deptDtos = new HashSet<>();
          for (Long id : ids) {
              List<Dept> deptList = deptService.findByPid(id);
              deptDtos.add(deptService.findById(id));
              if(CollectionUtil.isNotEmpty(deptList)){
                  deptDtos = deptService.getDeleteDepts(deptList, deptDtos);
              }
          }
          // 验证是否被角色或用户关联
          deptService.verification(deptDtos);
          deptService.delete(deptDtos);
          return new ResponseEntity<>(HttpStatus.OK);
      }
  }