多个线程访问url

多个线程访问url

package com.aig.ecompassios.ecard;

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import net.sf.json.JSONObject;

public class EcardThread extends Thread {

static int i=0;

static String ebToken="";

static long time;

public EcardThread(int i,String ebToken){

this.i = i;

this.ebToken = ebToken;

}

public void run() {

String ecard="http://localhost:9080/";

long begintime = System.currentTimeMillis();

StringBuilder jsonECard = new StringBuilder();

try {

//ECard url

Thread.sleep(1000);

URL eCardURL = new URL(ecard+ebToken);

HttpURLConnection urlconECard = (HttpURLConnection)eCardURL.openConnection();

urlconECard.connect(); //获取连接

InputStream isECard = urlconECard.getInputStream();

BufferedReader bufferECard = new BufferedReader(new InputStreamReader(isECard,"UTF-8"));

String lECard = null;

while((lECard=bufferECard.readLine())!=null){

jsonECard.append(lECard);

}

System.out.println(jsonECard.toString());

System.out.println("Thread"+i+"执行时间为："+(System.currentTimeMillis()-begintime)+"毫秒");

time+=(System.currentTimeMillis()-begintime);

System.out.println(time+"++++++");

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void main(String[] args) {

long begintime = System.currentTimeMillis();

String ebToken = login();

/*for (int i = 0; i < 2; i++) {

EcardThread th = new EcardThread(i,ebToken);

th.start();

}*/

System.out.println(time+"=======");

while(time<0.3*60*1000){

EcardThread th = new EcardThread(i,ebToken);

th.start();

i=i+1;

}

System.out.println("总执行时间为："+(System.currentTimeMillis()-begintime)+"毫秒");

}

}