刷票小程序

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.Proxy;
import java.net.SocketAddress;
import java.net.URL;
import java.net.URLConnection;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestProxy {

	public void setLocalProxy() {
		Properties prop = System.getProperties();
		prop.setProperty("http.proxyHost", "222.222.222.222");
		prop.setProperty("http.proxyPort", "3128");

	}
	// 清除proxy设置
	public void removeLocalProxy()
	{
	Properties prop = System.getProperties();
	prop.remove("http.proxyHost");
	prop.remove("http.proxyPort");
	prop.remove("http.nonProxyHosts");
	prop.remove("https.proxyHost");
	prop.remove("https.proxyPort");
	prop.remove("ftp.proxyHost");
	prop.remove("ftp.proxyPort");
	prop.remove("ftp.nonProxyHosts");
	prop.remove("socksProxyHost");
	prop.remove("socksProxyPort");
	}

	// 测试HTTP代理
	public void showHttpProxy(Object ... proxy) {
		
		URL url = null;
		try {
			url = new URL("http://www.baidu.com");
		} catch (MalformedURLException e) {
			return;
		}
		try {
			URLConnection conn = null;
			switch (proxy.length) {
			case 0:
				conn = url.openConnection();
				break;
			case 1:
				conn = url.openConnection((Proxy) proxy[0]);
				break;
			default:
				break;
			}
			if (conn == null)
				return;
			conn.setConnectTimeout(10000); // 设置连接超时时间
			InputStream in = conn.getInputStream();
			BufferedReader br = new BufferedReader(new java.io.InputStreamReader(in));
			String str = null;
			try {
				while ((str = br.readLine())!=null) {
					if(str.indexOf("百度一下，你就知道")>0){
						break;
					}
				}
			
			} catch (IOException e1) {
			}
		} catch (IOException e1) {
			return;
		}
	}

	// 得到一个proxy
	public static Proxy getProxy(String host, int port) {
		SocketAddress addr = new InetSocketAddress(host, port);
		Proxy typeProxy = new Proxy(Proxy.Type.HTTP, addr);
		return typeProxy;
	}

/*	// 得到一个proxy
	public Proxy getProxy(Proxy.Type type, String host, int port) {
		SocketAddress addr = new InetSocketAddress(host, port);
		Proxy typeProxy = new Proxy(type, addr);
		return typeProxy;
	}*/

	public void test(){
		String pathurl = "d:/temp.txt";
		try {
			File file = new File(pathurl);
			FileInputStream fin = new FileInputStream(file);
			BufferedInputStream bin = new BufferedInputStream(fin);
			BufferedReader ir = new BufferedReader(new InputStreamReader(bin));
			String str = null;
			int count = 0;
			StringBuffer ip = new StringBuffer();
			while ((str = ir.readLine()) != null) {
			
				String ipfilter = "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}";

				Pattern p = Pattern.compile(ipfilter);
				Matcher m = p.matcher(str);
				if (m.find()) {
					count++;
					String port = str.substring(str.indexOf(":")+1,str.length());
					if(port.indexOf("0")==0){
						port = port.substring(2, port.length());
					}
					String host = m.group();
					int po = Integer.parseInt(port);
					//System.out.println(host+"--"+port);
					System.out.println("----------"+count);
					showHttpProxy(getProxy(host,po));
				}
				// 获取端口号

			}
		/*	System.out.println(ip);
			java.io.FileWriter fileWriter = new java.io.FileWriter(pathurl);
			fileWriter.write(ip.toString());
			fileWriter.close();
			bin.close();
			fin.close();*/
		} catch (Exception e) {

		}
		//showHttpProxy(getProxy("58.211.78.143",80));
	}

	public static void main(String[] args) {
		TestProxy proxy = new TestProxy();
		//proxy.setLocalProxy();
		proxy.showHttpProxy(getProxy("203.162.2.138",80));
		
		
	}

}