java 使用HttpURLConnection发送数据简单实例

import java.io.*;import java.net.*;public class PostExample {  public static void main(String[] argv) throws Exception {     URL url = new URL("http://www.javacourses.com/cgi-bin/names.cgi");     HttpURLConnection connection = (HttpURLConnection) url.openConnection();     connection.setRequestMethod("POST");     connection.setDoOutput(true);     PrintWriter out = new PrintWriter(connection.getOutputStream());    // encode the message     String name = "name="+URLEncoder.encode("Qusay Mahmoud", "UTF-8");     String email = "email="+URLEncoder.encode("qmahmoud@javacourses.com", "UTF-8");    // send the encoded message     out.println(name+"&"+email);     out.close();     BufferedReader in       = new BufferedReader(new InputStreamReader(connection.getInputStream()));     String line;    while ((line = in.readLine()) != null) {       System.out.println(line);     }     in.close();   }}