package bb;
import java.io.BufferedInputStream;
import java.net.URL;
import java.net.URLConnection;
public class TestProxyIp
{
public static void main(String args[])
{
//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
System.getProperties().setProperty("http.proxyHost", "218.56.64.210");
System.getProperties().setProperty("http.proxyPort", "8080");
System.out.println(getHtml("http://www.crazyit.org")); //判断代理是否设置成功
}
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; Windows NT 5.1; GTB5; .NET CLR 2.0.50727; CIBA)");
BufferedInputStream in = new BufferedInputStream(conn.getInputStream());
try
{
String inputLine;
byte[] buf = new byte[4096];
int bytesRead = 0;
while (bytesRead >= 0)
{
inputLine = new String(buf, 0, bytesRead, "utf-8");
html.append(inputLine);
bytesRead = in.read(buf);
inputLine = null;
}
buf = null;
}finally
{
in.close();
conn = null;
url = null;
}
result = new String(html.toString().trim().getBytes("utf-8"), "utf-8").toLowerCase();
}catch(Exception e){
e.printStackTrace();
return null;
}
html = null;
return result;
}
}
IP地址 端口 城市 218.56.64.210 8080 青岛 61.135.179.52 80 北京 61.153.16.162 80 宁波 202.99.29.27 80 北京 218.26.204.66 8080 晋中 61.167.117.83 8080 大庆 221.6.62.90 8080 南京
本文介绍了一种使用Java编程语言实现通过HTTP代理服务器访问网页的方法。通过设置系统的代理主机和端口,可以利用特定的代理服务器进行网络请求。文中提供了一个简单的示例程序,演示了如何设置代理并获取目标网站的内容。
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