用户树接口，递归获取子节点代码优化

doc-admin/src/main/java/com/doc/web/controller/system/SysUserController.java

@@ -92,7 +92,7 @@ public class SysUserController extends BaseController {
     }
 
     /**
-     * 获取子节点
+     * 递归获取子节点
      *
      * @param dept 部门
      * @return
@@ -102,28 +102,18 @@ public class SysUserController extends BaseController {
         vo.setId(dept.getDeptId());
         vo.setLabel(dept.getDeptName());
         vo.setDisabled(true);
-        List<SysDept> childrenList = dept.getChildren();
+
         List<UserTreeVO> children = new ArrayList<>();
-        for (SysDept d : childrenList) {
-            UserTreeVO childVO = new UserTreeVO();
-            childVO.setId(d.getDeptId());
-            childVO.setLabel(d.getDeptName());
-            childVO.setDisabled(true);
-            children.add(childVO);
-            List<UserTreeVO> cc = new ArrayList<>();
-            for (SysDept dd : d.getChildren()) {
-                cc.add(getChildren(dd));
-            }
-            childVO.setChildren(cc);
-        }
-        List<SysUser> userList = userService.selectUserListByDeptId(dept.getDeptId());
-        for (SysUser u : userList) {
+
+        dept.getChildren().forEach(d -> children.add(getChildren(d)));
+
+        userService.selectUserListByDeptId(dept.getDeptId()).forEach(u -> {
             UserTreeVO childVO = new UserTreeVO();
             childVO.setId(u.getUserId());
             childVO.setLabel(u.getNickName());
             childVO.setDisabled(false);
             children.add(childVO);
-        }
+        });
 
         vo.setChildren(children);
         return vo;