http 请求:
一个http请求包含三部分内容:
- 方法-URI-协议/版本
- 请求头信息
- 请求正文
下面是一个http 请求示例
POST /examples/default.jsp HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint,
application/msword, application/x-silverlight, application/x-shockwave-flash,
Referer: <a href="http://www.google.cn/">http://www.google.cn/</a>
Accept-Language: zh-cn
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; TheWorld)
Host: <a href="http://www.google.cn">www.google.cn</a>
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
空行分隔CRLF
lastName=Trace&firstName=Mike
http 响应
一个http 响应也包含3部分:
- 协议-状态码-描述
- 响应头信息
- 响应正文
下面是一个http 响应示例:
HTTP/1.1 200 OK
Server:Apache
Date:Sun, 16 Jul 2017 08:44:05 GMT
Connection:keep-alive
Content-Type:text/html;charset=utf-8
Last-Modified:web,16 Jul 2017 08:41:15 GMT
Content-Length: 122
<html>
<head>
<title>Wrox Homepage</title>
</head>
<body>
<!-- body goes here -->
</body>
</html>