GET请求头

// 请求报文
GET http://www.jianshu.com?id=XXX  HTTP/1.1

// 请求首部字段
Host: www.jianshu.com
Proxy-Connection: keep-alive
Accept: application/json
User-Agent: Chrome/57.0.2979.2 Safari/537.36
Referer: http://www.jianshu.com
Accept-Encoding: gzip, deflate, sdch
Accept-Language: zh-CN,zh;q=0.8
Cookie: ...

POST请求头

POST /search HTTP/1.1 
Host: www.google.cn     
Accept: application/json 
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; TheWorld)   
Referer: http://www.google.cn/    
Accept-Language: zh-cn    
Accept-Encoding: gzip, deflate    
Connection: Keep-Alive    
Cookie: PREF=ID=80a06da87be9ae3c:U=f7167333e2c3b714:NW=1:TM=1261551909:LM=1261551917:S=ybYcq2wpfefs4V9g;   
NID=31=ojj8d-IygaEtSxLgaJmqSjVhCspkviJrB6omjamNrSm8lZhKy_yMfO2M4QMRKcH1g0iQv9u-2hfBW7bUFwVh7pGaRUb0RnHcJU37y-  
FxlRugatx63JLv7CWMD6UB_O_r    
  
hl=zh-CN&source=hp&q=domety