java代码发送JSON格式的httpPOST请求

java代码发送JSON格式的httpPOST请求

博客分类： Web技术
POST请求json响应 
Java代码  收藏代码
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 = "http://localhost:16000/app/add";  
  
    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);  
            connection.setRequestProperty("Content-Type",  
                    "application/x-www-form-urlencoded");  
  
            connection.connect();  
  
            //POST请求  
            DataOutputStream out = new DataOutputStream(  
                    connection.getOutputStream());  
            JSONObject obj = new JSONObject();  
            obj.element("app_name", "asdf");  
            obj.element("app_ip", "10.21.243.234");  
            obj.element("app_port", 8080);  
            obj.element("app_type", "001");  
            obj.element("app_area", "asd");  
  
            out.writeBytes(obj.toString());  
            out.flush();  
            out.close();  
  
            //读取响应  
            BufferedReader reader = new BufferedReader(new InputStreamReader(  
                    connection.getInputStream()));  
            String lines;  
            StringBuffer sb = new StringBuffer("");  
            while ((lines = reader.readLine()) != null) {  
                lines = new String(lines.getBytes(), "utf-8");  
                sb.append(lines);