## 賬戶是否存在
>接口參數說明
~~~[api]
get:/account/user/exist
*string:username#用戶名
<<<
success
{
"data": true,
"status": 0,
"msg": "success",
"timestamp": "20181221114502549"
}
{
"data": false,
"status": 0,
"msg": "success",
"timestamp": "20181221114502549"
}
~~~
>接口請求示例
~~~
/account/user/exist?username=13888888888
~~~
