1. package com.qgproxy;
2. 
   
3. import java.io.ByteArrayOutputStream;
4. import java.io.InputStream;
5. import java.net.Authenticator;
6. import java.net.HttpURLConnection;
7. import java.net.InetSocketAddress;
8. import java.net.PasswordAuthentication;
9. import java.net.Proxy;
10. import java.net.URL;
11. 
    
12. class QGProxyAuthenticator extends Authenticator {
13. private String user, password;
14. 
    
15. public QGProxyAuthenticator(String user, String password) {
16. this.user = user;
17. this.password = password;
18. }
19. 
    
20. protected PasswordAuthentication getPasswordAuthentication() {
21. return new PasswordAuthentication(user, password.toCharArray());
22. }
23. }
24. 
    
25. class QGProxy {
26. public static void main(String args[]) {
27. // 如果您的本地jdk版本在Java 8 Update 111以上，需要增加以下代码
28. // System.setProperty("jdk.http.auth.tunneling.disabledSchemes", "false");
29. // System.setProperty("jdk.http.auth.proxying.disabledSchemes", "false");
30. 
    
31. String targetUrl = "https://ip.hahado.cn/api/index?ip=&type=0";
32. 
    
33. String proxyIp = "您的代理IP";
34. int proxyPort = 端口号;
35. String authKey = "请改成您的Key";
36. String password = "请改成您的AuthPwd";
37. 
    
38. try {
39. URL url = new URL(targetUrl);
40. 
    
41. Authenticator.setDefault(new QGProxyAuthenticator(authKey, password));
42. InetSocketAddress socketAddress = new InetSocketAddress(proxyIp, proxyPort);
43. Proxy proxy = new Proxy(Proxy.Type.HTTP, socketAddress);
44. 
    
45. HttpURLConnection connection = (HttpURLConnection) url.openConnection(proxy);
46. byte[] response = readStream(connection.getInputStream());
47. System.out.println(new String(response));
48. } catch (Exception e) {
49. System.out.println(e.getLocalizedMessage());
50. }
51. }
52. 
    
53. public static byte[] readStream(InputStream inStream) throws Exception {
54. ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
55. byte[] buffer = new byte[1024];
56. int len = -1;
57. 
    
58. while ((len = inStream.read(buffer)) != -1) {
59. outSteam.write(buffer, 0, len);
60. }
61. outSteam.close();
62. inStream.close();
63. return outSteam.toByteArray();
64. }
65. }

嵌入代码使用，即可实现使用隧道来进行