设置代理

package com.cyyun.post;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

import org.apache.commons.io.IOUtils;
import org.apache.log4j.Logger;

/**
* @author Jason
* @date Oct 27, 2010
* @version 1.0
*/
public class TestProxyIp {
private static final Logger log = Logger.getLogger(TestProxyIp.class);

public static void main(String[] args) throws IOException {
System.setProperty("http.maxRedirects", "50");
System.getProperties().setProperty("proxySet", "true");
// 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
String ip = "93.91.200.146";
ip = "221.130.18.5";
ip = "221.130.23.135";
ip = "221.130.18.78";
ip = "221.130.23.134";
ip = "221.130.18.49";
ip = "111.1.32.36";
ip = "221.130.18.49";
ip = "221.130.18.49";
//System.getProperties().setProperty("http.proxyHost", ip);
//System.getProperties().setProperty("http.proxyPort", "80");

// 确定代理是否设置成功
log.info(getHtml("http://www.ip.cn/"));

}

private static String getHtml(String address) {
StringBuffer html = new StringBuffer();
String result = null;
try {
URL url = new URL(address);
URLConnection conn = url.openConnection();
conn.setRequestProperty("User-Agent",
"Mozilla/4.0 (compatible; MSIE 7.0; NT 5.1; GTB5; .NET CLR 2.0.50727; CIBA)");
BufferedInputStream in = new BufferedInputStream(
conn.getInputStream());

String str = IOUtils.toString(in,"utf-8");
System.out.println(str);

} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
html = null;
}
return result;
}
}

package com.cyyun.post;

import java.io.IOException;
import java.net.MalformedURLException;

import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.DefaultCredentialsProvider;
import com.gargoylesoftware.htmlunit.FailingHttpStatusCodeException;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HtmlPage;

public class ProxyHtmlunit {

public static void main(String args[]) throws FailingHttpStatusCodeException, MalformedURLException, IOException {
final WebClient
// webClient = new WebClient(BrowserVersion.FIREFOX_24,"123.131.176.87",8585);
webClient = new WebClient(BrowserVersion.FIREFOX_24,"124.72.74.252",8088);
// webClient = new WebClient(BrowserVersion.FIREFOX_24);
webClient.waitForBackgroundJavaScript(4000);
final DefaultCredentialsProvider
credentialsProvider = (DefaultCredentialsProvider) webClient.getCredentialsProvider();
//credentialsProvider.addCredentials("username","password");
//116.226.68.174
HtmlPage p =(HtmlPage) webClient.getPage("http://www.ip.cn/");

System.out.println(p.getTitleText());
System.out.println(p.asText());
}

}