package com.aibi.cmdc.test;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
public class Demo {
/**
* Main
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
// 如果不设置,只要代理IP和代理端口正确,此项不设置也可以
// System.setProperty("http.proxySet", "true");
// System.getProperties().setProperty("http.proxyHost",
// "proxy.om");
// System.getProperties().setProperty("http.proxyPort", "8080");
// System.out.println(doGet());
final String urlNameString ="http://webservice.webxml.com.cn/webservices/qqOnlineWebService.asmx/qqCheckOnline?qqCode=649145636";
// String urlNameString ="http://www.hao123.com/?tn=39005028_243_hao_pg";
// HttpUtil.doGet(urlNameString);
// String postUrl = "http://webservice.webxml.com.cn/webservices/qqOnlineWebService.asmx/qqCheckOnline";
// Map<String, String> params = new HashMap<String, String>();
// params.put("qqCode", "649145636");
// HttpUtil.doPost(postUrl, params);
// ExecutorService cachedThreadPool = Executors.newCachedThreadPool();
// for (int i = 0; i < 10; i++) {
// final int index = i;
// try {
// Thread.sleep(index * 1000);
// } catch (InterruptedException e) {
// e.printStackTrace();
// }
// cachedThreadPool.execute(new Runnable() {
// public void run() {
// System.out.println(index);
// try {
// HttpUtil.doGet(urlNameString);
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
// });
// }
ScheduledExecutorService scheduledThreadPool = Executors.newScheduledThreadPool(2);
scheduledThreadPool.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
try {
HttpUtil.doGet(urlNameString);
} catch (Exception e) {
e.printStackTrace();
}
}
}, 1, 3, TimeUnit.SECONDS);
}
/**
* Get Request
* @return
* @throws Exception
*/
public static String doGet() throws Exception {
String urlNameString ="http://webservice.webxml.com.cn/webservices/qqOnlineWebService.asmx/qqCheckOnline?qqCode=649145636";
String result = "";
BufferedReader in = null;
try {
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;
}
}