## 请求报文
~~~
GET /mock/5c7e1784726aba26bf2e6a6d/top250/music HTTP/1.1
Accept: application/json, */*
Content-Type: application/json
~~~
## 响应报文
~~~
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 182
Content-Type: application/json; charset=utf-8
Date: Wed, 17 Apr 2019 09:18:28 GMT
Rate-Limit-Remaining: 0
Rate-Limit-Reset: 1555492709
Rate-Limit-Total: 2
Server: Tengine
Vary: Accept, Origin
X-Request-Id: e2aa54e9-f8ee-4768-81e0-4a7946862f42
{
"music": {
"url": "http://music.163.com/song/media/outer/url?id=571338279",
"title": "往后余生",
"coverImg": "http://p4.music.126.net/J-So8uu3Mo9zKfN128L_pQ==/109951162875623128.jpg"
}
}
~~~
## http方法
- 用于定义对于资源的操作
## http code
- 定义服务器对请求的处理结果
- 各个区间的CODE有各自的语义
