谷歌浏览器查看http请求的请求标头和响应标头

http://t.weather.itboy.net/api/weather/city/101010100

记得刷新，才算请求了一次服务器 

响应标头：

HTTP/1.1 200 OK

Content-Type: application/json;

请求标头：

GET /api/weather/city/101010100 HTTP/1.1

Host: t.weather.itboy.net

鲜为人知的HTTP协议头字段详解大全 - 知乎 (zhihu.com)