剖析HTTP协议GET/POST请求

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通信协议

Socket JSP Windows Web Cache

WEB服务器Socket实现

public static void main(String[] args) {

	ServerSocket socket = null;
	try {
		socket = new ServerSocket(80);
	} catch (IOException e) {
		e.printStackTrace();
		System.exit(0);
	}
	while (true) {
		InputStream is = null;
		Socket s = null;
		try {
			s = socket.accept();
			is = s.getInputStream();
			int c = -1;
			while ((c = is.read()) != -1) {
				System.out.print((char) c);
			}
			
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (is != null) {
					is.close();
					is = null;
				}
				if (s != null) {
					s.close();
					s = null;
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}

[list]

GET方式提交

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
		<title> New Document </title>
	</head>

	<body>
		<form method="get" action="http://localhost/web/index.jsp">
			<input type="text" name="name" value="me"/>
			<input type="password" name="password" value="mypwd"/>
			<input type="submit" name="submit" value="submit"/>
		</form>
	</body>
</html>

请求信息如下：

GET /web/index.jsp?name=me&password=mypwd&submit=submit HTTP/1.1
Accept: */*
Accept-Language: zh-cn
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; MS-RTC LM 8; InfoPath.1; .NET CLR 2.0.50727; CIBA)
Host: localhost
Connection: Keep-Alive

POST方式提交

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
		<title> New Document </title>
	</head>

	<body>
		<form method="post" action="http://localhost/web/index.jsp">
			<input type="text" name="name" value="me"/>
			<input type="password" name="password" value="mypwd"/>
			<input type="submit" name="submit" value="submit"/>
		</form>
	</body>
</html>

请求信息如下：

POST /web/index.jsp HTTP/1.1
Accept: */*
Accept-Language: zh-cn
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; MS-RTC LM 8; InfoPath.1; .NET CLR 2.0.50727; CIBA)
Host: localhost
Content-Length: 36
Connection: Keep-Alive
Cache-Control: no-cache

name=me&password=mypwd&submit=submit

POST上传文件

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
		<title> New Document </title>
	</head>

	<body>
		<form method="post" action="http://localhost/web/index.jsp" enctype="multipart/form-data">
			<input type="text" name="name" value="me"/>
			<input type="password" name="password" value="mypwd"/>
			<input type="file" name="uploadfile"/>
			<input type="submit" name="submit" value="submit"/>
		</form>
	</body>
</html>

请求信息如下：

POST /web/index.jsp HTTP/1.1
Accept: */*
Accept-Language: zh-cn
Content-Type: multipart/form-data; boundary=---------------------------7dad71450b9e
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; MS-RTC LM 8; InfoPath.1; .NET CLR 2.0.50727; CIBA)
Host: localhost
Content-Length: 954
Connection: Keep-Alive
Cache-Control: no-cache

-----------------------------7dad71450b9e
Content-Disposition: form-data; name="name"

me
-----------------------------7dad71450b9e
Content-Disposition: form-data; name="password"

mypwd
-----------------------------7dad71450b9e
Content-Disposition: form-data; name="uploadfile"; filename="D:\temp\zhizhu\news.sql"
Content-Type: application/octet-stream

CREATE DATABASE IF NOT EXISTS sohunews;
USE sohunews;

--
-- Definition of table `news`
--

DROP TABLE IF EXISTS `news`;
CREATE TABLE `news` (
  `newsid` int(11) NOT NULL auto_increment,
  `newstitle` varchar(60) NOT NULL,
  `newsauthor` varchar(20) NOT NULL,
  `newscontent` text NOT NULL,
  `newsurl` char(130) NOT NULL,
  `newsdate` varchar(24) NOT NULL,
  PRIMARY KEY  (`newsid`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8;

-----------------------------7dad71450b9e
Content-Disposition: form-data; name="submit"

submit
-----------------------------7dad71450b9e--

[/list]

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2010-01-09 14:27
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