add:中台增加权限管理（部门查询人员功能）

alien-store/src/main/java/shop/alien/store/controller/LifeSysDeptController.java

@@ -10,6 +10,7 @@ import shop.alien.entity.store.dto.LifeSysDeptAddDto;
 import shop.alien.entity.store.dto.LifeSysDeptSortDto;
 import shop.alien.entity.store.dto.LifeSysDeptUpdateDto;
 import shop.alien.entity.store.vo.LifeSysDeptVo;
+import shop.alien.entity.store.vo.LifeSysVo;
 import shop.alien.store.service.LifeSysDeptService;
 
 import java.util.List;
@@ -99,5 +100,18 @@ public class LifeSysDeptController {
         log.info("LifeSysDeptController.deleteDept => deptId={}", deptId);
         return lifeSysDeptService.deleteDept(deptId);
     }
+
+    @ApiOperation("查看部门成员")
+    @ApiOperationSupport(order = 6)
+    @ApiImplicitParams({
+            @ApiImplicitParam(name = "pageNum", value = "当前页码", dataType = "Integer", paramType = "query", required = false, defaultValue = "1"),
+            @ApiImplicitParam(name = "pageSize", value = "每页显示数量", dataType = "Integer", paramType = "query", required = false, defaultValue = "10"),
+            @ApiImplicitParam(name = "deptId", value = "部门ID", dataType = "Long", paramType = "query", required = true),
+    })
+    @GetMapping(value = "/viewMembers")
+    public R<List<LifeSysVo>> viewMembers(@RequestParam(defaultValue = "1", required = false) Integer pageNum, @RequestParam(defaultValue = "10", required = false) Integer pageSize, @RequestParam Long deptId) {
+        log.info("LifeSysDeptController.viewMembers => pageNum={}, pageSize={}, deptId={}", pageNum, pageSize, deptId);
+        return lifeSysDeptService.viewMembers(pageNum, pageSize, deptId);
+    }
 }
 

alien-store/src/main/java/shop/alien/store/service/LifeSysDeptService.java

@@ -6,6 +6,7 @@ import shop.alien.entity.store.dto.LifeSysDeptAddDto;
 import shop.alien.entity.store.dto.LifeSysDeptSortDto;
 import shop.alien.entity.store.dto.LifeSysDeptUpdateDto;
 import shop.alien.entity.store.vo.LifeSysDeptVo;
+import shop.alien.entity.store.vo.LifeSysVo;
 
 import java.util.List;
 
@@ -56,5 +57,13 @@ public interface LifeSysDeptService {
      * @return R<List<LifeSysDeptVo>>
      */
     R<List<LifeSysDeptVo>> searchDeptByName(String deptName);
+
+    /**
+     * 查看部门成员
+     *
+     * @param deptId 部门ID
+     * @return R<List<LifeSysVo>>
+     */
+    R<List<LifeSysVo>> viewMembers(Integer pageNum, Integer pageSize, Long deptId);
 }
 

alien-store/src/main/java/shop/alien/store/service/impl/LifeSysDeptServiceImpl.java

@@ -7,13 +7,18 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import shop.alien.entity.result.R;
+import shop.alien.entity.store.LifeSys;
 import shop.alien.entity.store.LifeSysDept;
 import shop.alien.entity.store.dto.LifeSysDeptAddDto;
 import shop.alien.entity.store.dto.LifeSysDeptSortDto;
 import shop.alien.entity.store.dto.LifeSysDeptUpdateDto;
 import shop.alien.entity.store.vo.LifeSysDeptVo;
+import shop.alien.entity.store.vo.LifeSysVo;
 import shop.alien.mapper.LifeSysDeptMapper;
+import shop.alien.mapper.LifeSysMapper;
 import shop.alien.store.service.LifeSysDeptService;
 
 import java.util.*;
@@ -32,6 +37,8 @@ public class LifeSysDeptServiceImpl implements LifeSysDeptService {
 
     private final LifeSysDeptMapper lifeSysDeptMapper;
 
+    private final LifeSysMapper lifeSysMapper;
+
     @Override
     public R<LifeSysDept> addDept(LifeSysDeptAddDto addDto) {
         log.info("LifeSysDeptServiceImpl.addDept?addDto={}", addDto);
@@ -496,5 +503,97 @@ public class LifeSysDeptServiceImpl implements LifeSysDeptService {
 
         return result;
     }
+
+    @Override
+    public R<List<LifeSysVo>> viewMembers(Integer pageNum, Integer pageSize, Long deptId) {
+        log.info("LifeSysDeptServiceImpl.viewMembers?pageNum={}, pageSize={}, deptId={}", pageNum, pageSize, deptId);
+
+        // 参数校验
+        if (deptId == null) {
+            log.warn("查看部门成员失败：部门ID为空");
+            return R.fail("部门ID不能为空");
+        }
+
+        // 校验部门是否存在
+        LifeSysDept dept = lifeSysDeptMapper.selectById(deptId);
+        if (dept == null) {
+            return R.fail("部门不存在");
+        }
+
+        // 检查部门是否已被删除
+        if (!"0".equals(dept.getDelFlag())) {
+            return R.fail("该部门已被删除");
+        }
+
+        try {
+            // 收集当前部门ID和所有子部门ID
+            Set<Long> deptIdSet = new HashSet<>();
+            deptIdSet.add(deptId);
+            
+            // 递归收集所有子部门ID
+            collectChildDeptIds(deptId, deptIdSet);
+            
+            log.debug("查询部门成员，部门ID={}，包含子部门数量={}", deptId, deptIdSet.size() - 1);
+
+            // 如果没有任何部门（理论上不会发生），直接返回空列表
+            if (deptIdSet.isEmpty()) {
+                return R.data(new ArrayList<>(), "查询成功");
+            }
+
+            // 构建查询条件：查询当前部门及所有子部门下的所有用户
+            QueryWrapper<LifeSys> voQueryWrapper = new QueryWrapper<>();
+            // 将部门ID集合转换为String集合，因为department_id是String类型
+            List<String> deptIdStrList = new ArrayList<>();
+            for (Long id : deptIdSet) {
+                deptIdStrList.add(String.valueOf(id));
+            }
+            voQueryWrapper.in("ls.department_id", deptIdStrList);
+            voQueryWrapper.eq("ls.delete_flag", 0);
+            voQueryWrapper.eq("ls.status", 1);
+            voQueryWrapper.orderByDesc("ls.created_time");
+            
+            // 先查询用户数量，用于分页
+             IPage<LifeSysVo> voList = lifeSysMapper.selectPageAndRoleName(new Page<>(pageNum, pageSize), voQueryWrapper);
+            if (voList == null || voList.getRecords().isEmpty()) {
+                log.info("查看部门成员成功，部门ID={}, 部门名称={}, 成员数量=0", deptId, dept.getDeptName());
+                return R.data(new ArrayList<>(), "查询成功");
+            }
+
+
+            return R.data(voList.getRecords(), "查询成功");
+        } catch (Exception e) {
+            log.error("查看部门成员失败，部门ID={}", deptId, e);
+            return R.fail("查询部门成员失败：" + e.getMessage());
+        }
+    }
+
+    /**
+     * 递归收集所有子部门ID
+     *
+     * @param parentDeptId 父部门ID
+     * @param deptIdSet    部门ID集合（用于收集结果）
+     */
+    private void collectChildDeptIds(Long parentDeptId, Set<Long> deptIdSet) {
+        if (parentDeptId == null) {
+            return;
+        }
+
+        // 查询所有子部门
+        QueryWrapper<LifeSysDept> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("parent_id", parentDeptId);
+        queryWrapper.eq("del_flag", "0"); // 只查询未删除的部门
+        List<LifeSysDept> childDepts = lifeSysDeptMapper.selectList(queryWrapper);
+
+        if (childDepts != null && !childDepts.isEmpty()) {
+            for (LifeSysDept childDept : childDepts) {
+                Long childDeptId = childDept.getDeptId();
+                if (childDeptId != null && !deptIdSet.contains(childDeptId)) {
+                    deptIdSet.add(childDeptId);
+                    // 递归查询子部门的子部门
+                    collectChildDeptIds(childDeptId, deptIdSet);
+                }
+            }
+        }
+    }
 }