封装好的java调用Http------post/get方法

package com.newtouch.access.qunarHDS.util;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import net.sf.json.JSONObject;

public class GetUrl {
public JSONObject getUrl(String getURL) throws IOException{
URL getUrl =new URL(getURL);
HttpURLConnection connection = (HttpURLConnection) getUrl.openConnection();
connection.connect();
BufferedReader reader=new BufferedReader(new InputStreamReader(connection.getInputStream()));
String lines=reader.readLine();
JSONObject js=JSONObject.fromObject(lines);
reader.close();
connection.disconnect();
return js;

}
public JSONObject postUrl(String getURL) throws IOException {
// Post请求的url，与get不同的是不需要带参数
URL postUrl = new URL(getURL);
// 打开连接
HttpURLConnection connection = (HttpURLConnection) postUrl
.openConnection();
// 设置是否向connection输出，因为这个是post请求，参数要放在
// http正文内，因此需要设为true
connection.setDoOutput(true);
// Read from the connection. Default is true.
connection.setDoInput(true);
// Set the post method. Default is GET
connection.setRequestMethod("POST");
// Post cannot use caches
// Post 请求不能使用缓存
connection.setUseCaches(false);

connection.setInstanceFollowRedirects(true);
// Set the content type to urlencoded,
// because we will write
// some URL-encoded content to the
// connection. Settings above must be set before connect!
// 配置本次连接的Content-type，配置为application/x-www-form-urlencoded的
// 意思是正文是urlencoded编码过的form参数，下面我们可以看到我们对正文内容使用URLEncoder.encode
// 进行编码
connection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
// 连接，从postUrl.openConnection()至此的配置必须要在connect之前完成，
// 要注意的是connection.getOutputStream会隐含的进行connect。
connection.connect();
DataOutputStream out = new DataOutputStream(connection
.getOutputStr
4000
eam());

BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String lines=reader.readLine();
JSONObject js=JSONObject.fromObject(lines);
reader.close();
connection.disconnect();
return js;
}
}