java 的http請求

package com.quugames.fish.util;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.URL;import java.net.URLConnection;import net.sf.json.JSONObject;/** * 購買驗證 * @author Administrator */public class BuyValidation {/** * 向指定URL發送GET方法的請求 * @param url發送請求的URL * @return URL所代表遠端資源的響應 */public static void sendGet(String url) {String result = "";BufferedReader in = null;try {URL realUrl = new URL(url);URLConnection conn = realUrl.openConnection();conn.connect();in = new BufferedReader(new InputStreamReader(conn.getInputStream()));String line;while ((line = in.readLine()) != null) {result += line;}if(result!=null&&result.length()>1){//System.out.println(result);JSONObject jb = JSONObject.fromObject(result);System.out.println("返回的state是:  "+jb.getString("state"));System.out.println("返回的code是:  "+jb.getString("code"));}} catch (Exception e) {System.out.println("發送GET請求出現異常！" + e);e.printStackTrace();}}public static void main(String[] args) {String url = "http://localhost:8080/webServer/server.jsp";sendGet(url);}}

伺服器端：

JSONObject json = new JSONObject(); json.element("state", "0"); json.element("code", "##WEF##");//向用戶端發送資訊out.println(json);