用于接口开发，返回一个json格式；
本地测试可以，服务器上基于不行了；

<?php{"code":10000,"msg":"登录成功","data":{"id":1,"name":"admin","mobile":"157****2","role_id":1,"status":"正常","token":"b33101a3702399cc1c17beda6ec452a5","role_auth_ids":"*","login_time":"2019-04-03 11:49:34","mer_type_des":null}}