java发送json post请求_java代码发送JSON格式的httpPOST请求

package com.test;

import java.io.BufferedReader;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.UnsupportedEncodingException;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import net.sf.json.JSONObject;

public class AppAddTest {

public static final String ADD_URL = "www.2cto.com";

public static void appadd() {

try {

//创建连接

URL url = new URL(ADD_URL);

HttpURLConnection connection = (HttpURLConnection) url

.openConnection();

connection.setDoOutput(true);

connection.setDoInput(true);

connection.setRequestMethod("POST");

connection.setUseCaches(false);

connection.setInstanceFollowRedirects(true);