import java.io.IOException;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class Demo {

    public static void main(String[] args) {

        try{

            // 代理服务器(产品官网 www.16yun.cn)
            final static String ProxyHost = "t.16yun.cn";
            final static String ProxyPort = "31111";

            System.setProperty("http.proxyHost", ProxyHost);
            System.setProperty("https.proxyHost", ProxyHost);

            System.setProperty("http.proxyPort", ProxyPort);
            System.setProperty("https.proxyPort", ProxyPort);

            // 代理验证信息
            final static String ProxyUser = "username";
            final static String ProxyPass = "password";

            System.setProperty("http.proxyUser", ProxyUser);
            System.setProperty("http.proxyPassword", ProxyPass);

            System.setProperty("https.proxyUser", ProxyUser);
            System.setProperty("https.proxyPassword", ProxyPass);




            // 设置IP切换头
            final static String ProxyHeadKey = "Proxy-Tunnel";

            // 设置Proxy-Tunnel
            Random random = new Random();
            int tunnel = random.nextInt(10000);
            String ProxyHeadVal = String.valueOf(tunnel);



            // 处理异常、其他参数
            Document doc = Jsoup.connect(url).timeout(3000).header(ProxyHeadKey, ProxyHeadVal).get();

            if(doc != null) {
                System.out.println(doc.body().html());
            }

        }catch (IOException e)
        {
            e.printStackTrace();
        }

    }
}