并发调用get请求

package com.alibaba.xteam.web.travel.module.rpc;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

import org.apache.http.client.ClientProtocolException;

public class PayTest {

public static void main(String[] args) throws ClientProtocolException, IOException   {

for(int i=0;i<10;i++){
new Thread(new Runnable(){

@Override
public void run() {

//发送 GET 请求
String s1=PayTest.sendGet("http://10.125.25.187/dingtalk/hx/index.do","debug=y");

String s2=PayTest.sendGet("http://10.125.25.187/open/didi/pay/pay_notify.json", "orderId=5675551694383500500&normalDistance=11&totalPrice=11.33&status=700&callbackInfo=3831,221");

//String s2=PayTest.sendGet("http://10.125.25.187/dingtalk/dingtalk/taxi/special/createOrder.jsonp","__Order.create()__=&passengerGeotype=wgs84&serviceType=KC&carLevel=KC&cityId=5&appTime=1464100743424&fromCityName=%E6%9D%AD%E5%B7%9E%E5%B8%82&fromAddr=%E9%98%BF%E9%87%8C%E5%B7%B4%E5%B7%B4%E8%A5%BF%E6%BA%AA%E5%9B%AD%E5%8C%BA&fromAddrDetail=&fromLongitude=120.025459&fromLatitude=30.2791019&toCityName=%E6%9D%AD%E5%B7%9E%E5%B8%82&toAddr=%E5%98%89%E7%A6%BE%E8%8A%B1%E8%8B%918%E5%B9%A2&toLongitude=120.096661&toLatitude=30.272399&passengerMobile=15088688387&businessCategory=WORK&memo=uu&timeType=IN_TIME&_=1464100743427&callback=jsonp");
System.out.println(s1);

}

}
).start();

}

}

public static String convertStreamToString(InputStream is) {
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();

String line = null;
try {
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}

/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + param;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}

/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}

}