限制部门与用户的全量查询

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/dept/DeptController.java

@@ -37,6 +37,7 @@ public class DeptController {
 
     @Resource
     private DeptService deptService;
+    private static final int SIMPLE_LIST_LIMIT = 100;
 
     @PostMapping("create")
     @Operation(summary = "创建部门")
@@ -85,7 +86,8 @@ public class DeptController {
     @Operation(summary = "获取部门精简信息列表", description = "只包含被开启的部门，主要用于前端的下拉选项")
     public CommonResult<List<DeptSimpleRespVO>> getSimpleDeptList() {
         List<DeptDO> list = deptService.getDeptList(
-                new DeptListReqVO().setStatus(CommonStatusEnum.ENABLE.getStatus()));
+            new DeptListReqVO().setStatus(CommonStatusEnum.ENABLE.getStatus())
+                .setLimit(SIMPLE_LIST_LIMIT));
         return success(BeanUtils.toBean(list, DeptSimpleRespVO.class));
     }
 

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/dept/vo/dept/DeptListReqVO.java

@@ -26,4 +26,7 @@ public class DeptListReqVO {
 
     @Schema(description = "部门编号集合，支持多部门查询", example = "[\"1001\", \"1002\"]")
     private List<String> ids;
+
+    @Schema(description = "最大返回数量限制", example = "100")
+    private Integer limit;
 }

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/user/UserController.java

@@ -37,6 +37,7 @@ public class UserController {
 
     @Resource
     private AdminUserService userService;
+    private static final int SIMPLE_LIST_LIMIT = 100;
 
     @PostMapping("/create")
     @Operation(summary = "新增用户")
@@ -94,7 +95,7 @@ public class UserController {
     @GetMapping({"/list-all-simple", "/simple-list"})
     @Operation(summary = "获取用户精简信息列表", description = "只包含被开启的用户，主要用于前端的下拉选项")
     public CommonResult<List<UserSimpleRespVO>> getSimpleUserList() {
-        List<AdminUserDO> list = userService.getUserListByStatus(CommonStatusEnum.ENABLE.getStatus());
+        List<AdminUserDO> list = userService.getUserListByStatus(CommonStatusEnum.ENABLE.getStatus(), SIMPLE_LIST_LIMIT);
         return success(UserConvert.INSTANCE.convertSimpleList(list));
     }
 

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/mysql/dept/DeptMapper.java

@@ -36,6 +36,11 @@ public interface DeptMapper extends BaseMapperX<DeptDO> {
             .collect(Collectors.toList());
         query.inIfPresent(DeptDO::getId, ids);
     }
+    query.orderByAsc(DeptDO::getSort);
+    Integer limit = reqVO.getLimit();
+    if (limit != null && limit > 0) {
+        query.last("LIMIT " + limit);
+    }
     return selectList(query);
     }
 

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/mysql/user/AdminUserMapper.java

@@ -60,8 +60,13 @@ public interface AdminUserMapper extends BaseMapperX<AdminUserDO> {
         return selectList(new LambdaQueryWrapperX<AdminUserDO>().like(AdminUserDO::getNickname, nickname));
     }
 
-    default List<AdminUserDO> selectListByStatus(Integer status) {
+    default List<AdminUserDO> selectListByStatus(Integer status, Integer limit) {
-        return selectList(AdminUserDO::getStatus, status);
+        LambdaQueryWrapperX<AdminUserDO> query = new LambdaQueryWrapperX<AdminUserDO>()
+            .eq(AdminUserDO::getStatus, status);
+        if (limit != null && limit > 0) {
+            query.last("LIMIT " + limit);
+        }
+        return selectList(query);
     }
 
     /**

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/user/AdminUserService.java

@@ -193,7 +193,11 @@ public interface AdminUserService {
      * @param status 状态
      * @return 用户们
      */
-    List<AdminUserDO> getUserListByStatus(Integer status);
+    List<AdminUserDO> getUserListByStatus(Integer status, Integer limit);
+
+    default List<AdminUserDO> getUserListByStatus(Integer status) {
+        return getUserListByStatus(status, null);
+    }
 
     /**
      * 判断密码是否匹配

zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/user/AdminUserServiceImpl.java

@@ -651,8 +651,8 @@ public class AdminUserServiceImpl implements AdminUserService {
     }
 
     @Override
-    public List<AdminUserDO> getUserListByStatus(Integer status) {
+    public List<AdminUserDO> getUserListByStatus(Integer status, Integer limit) {
-        List<AdminUserDO> users = userMapper.selectListByStatus(status);
+        List<AdminUserDO> users = userMapper.selectListByStatus(status, limit);
         fillUserDeptInfo(users);
         return users;
     }