目标：通过socket 模拟HTTP协议连接 tomcat，做一次POST请求
请求数据：
POST /index.jsp HTTP/1.1 Host:192.168.237.230 Content-Type:application/x-www-form-urlencoded Connection: close Content-Length:42 username=xinchun.wang&password=123456.....
响应数据：
HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Set-Cookie: JSESSIONID=613C816BEC2DB87DB7A043574B68AA57; Path=/ Content-Type: text/html;charset=ISO-8859-1 Content-Length: 293 Date: Tue, 25 Apr 2017 02:58:49 GMT Connection: close <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> xinchun.wang 123456..... </body> </html>
代码参考：
public class ClientPost {
public static void main(String[] args) {
sendRequest(8078);
}
public static void sendRequest(int port) {
try {
Socket socket = new Socket("192.168.237.230", port);
OutputStream out = socket.getOutputStream();
// 由Socket对象得到输入流,并构造相应的BufferedReader对象
BufferedReader in = new BufferedReader(new InputStreamReader(
socket.getInputStream()));
String body = "username=xinchun.wang&password=123456.....";
StringBuilder sb = new StringBuilder();
sb.append("POST /index.jsp HTTP/1.1\r\n");
sb.append("Host:192.168.237.230\r\n");
sb.append("Content-Type:application/x-www-form-urlencoded\r\n");
sb.append("Connection: close\r\n");
sb.append("Content-Length:"+body.length()+"\r\n");
sb.append("\r\n");
sb.append(body);
out.write(sb.toString().getBytes());
out.flush();
String line = in.readLine();
while (line != null && line.toString() != "") {
System.out.println(line);
line = in.readLine();
}
out.close(); // 关闭Socket输出流
in.close(); // 关闭Socket输入流
socket.close(); // 关闭Socket
} catch (Exception e) {
e.printStackTrace();
}
}
}
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