add(system): 添加用户下拉框接口

- 新增 getUList接口，用于获取用户列表

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysUserController.java

@@ -298,4 +298,10 @@ public class SysUserController extends BaseController {
         return R.ok(userService.selectUserListByDept(deptId));
     }
 
+    @PostMapping("/getUList")
+    public R<List<SysUserExportVo>> getUList(SysUserBo user) {
+        List<SysUserExportVo> list = userService.selectUserExportList(user);
+        return R.ok(list);
+    }
+
 }