发送代数据的HTTP 请求

import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.URL;public class Main {    public static void main(String[] args) {        try {            URL my_url = new URL("http://coolshell.cn/");            BufferedReader br = new BufferedReader(new InputStreamReader(my_url.openStream()));            String strTemp = "";            while(null != (strTemp = br.readLine())){                System.out.println(strTemp);            }        } catch (Exception ex) {            ex.printStackTrace();        }    }}