<?php namespace app\api\controller\v1\common; use app\api\exception\DbLinkException; use think\Db; class Role { public function getRoles(){ $roles = Db::table('role')->field('id,title')->select(); if(!$roles) throw new DbLinkException; return json([ 'status' => 1, 'message' => 'ok', 'data' => $roles ]); } }