关于某些网站的图片盗链功能，相关http 请求的解决方法

其实 关键就是 header中 的 Referer 属性，可以通过firebug 查看头信息 并获得Referer，但有些情况下可能不能获取，就只能通过抓包的方法来获得了。

[java] view plain copy

print?

1. import java.io.BufferedInputStream;  
2. import java.io.BufferedOutputStream;  
3. import java.io.BufferedReader;  
4. import java.io.File;  
5. import java.io.FileOutputStream;  
6. import java.io.InputStreamReader;  
7. import java.net.HttpURLConnection;  
8. import java.net.URL;  
9.   
10.   
11. public class refererPost {  
12.     public static void main(String[] args){  
13.         String urls = "http://113.107.42.72:88/images/uploadimg/rw201209231804.jpg";  
14.         URL url = null;  
15.         HttpURLConnection http = null;  
16.         try {  
17.             url = new URL(urls);  
18.             http = (HttpURLConnection) url.openConnection();  
19.             http.setDoInput(true);  
20.             http.setDoOutput(true);  
21.             http.setUseCaches(false);  
22.             http.setConnectTimeout(50000);  
23.             http.setReadTimeout(50000);  
24.             http.setRequestMethod("GET");  
25.             http.setRequestProperty("Accept", "image/png,image/*;q=0.8,*/*;q=0.5");  
26.             http.setRequestProperty("Accept-Encoding", "gzip");    
27.             http.setRequestProperty("Referer", "http://dmm.hk/");    
28.             String param = "zs=dddddddddddddddddd";  
29.             //http.getOutputStream().write(param.getBytes());      
30.             //http.getOutputStream().flush();  
31.             //http.getOutputStream().close();  
32.             System.out.println("getResponseCode====="+http.getResponseCode());  
33.             if (http.getResponseCode() == 200) {  
34.                 File f = new File("D://a.jpg");  
35.                 System.out.println("111111111111111111111111111111");  
36.                 BufferedInputStream in = new BufferedInputStream(  
37.             http.getInputStream());  
38.             int c = 0;  
39.             BufferedOutputStream b = new BufferedOutputStream(new FileOutputStream(f));  
40.             while((c=in.read())!=-1){  
41.                 b.write(c);  
42.                 b.flush();  
43.             }  
44.               
45.             b.close();  
46.             in.close();  
47.             }  
48.         } catch (Exception e) {  
49.             System.out.println("err");  
50.         } finally {  
51.         if (http != null)  
52.             http.disconnect();  
53.         }  
54.     }  
55.     }  

import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.BufferedReader;import java.io.File;import java.io.FileOutputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;public class refererPost {public static void main(String[] args){String urls = "http://113.107.42.72:88/images/uploadimg/rw201209231804.jpg";URL url = null;HttpURLConnection http = null;try {url = new URL(urls);http = (HttpURLConnection) url.openConnection();http.setDoInput(true);http.setDoOutput(true);http.setUseCaches(false);http.setConnectTimeout(50000);http.setReadTimeout(50000);http.setRequestMethod("GET");http.setRequestProperty("Accept", "image/png,image/*;q=0.8,*/*;q=0.5");http.setRequestProperty("Accept-Encoding", "gzip");  http.setRequestProperty("Referer", "http://dmm.hk/");  String param = "zs=dddddddddddddddddd";//http.getOutputStream().write(param.getBytes());    //http.getOutputStream().flush();//http.getOutputStream().close();System.out.println("getResponseCode====="+http.getResponseCode());if (http.getResponseCode() == 200) {File f = new File("D://a.jpg");System.out.println("111111111111111111111111111111");BufferedInputStream in = new BufferedInputStream(http.getInputStream());int c = 0;BufferedOutputStream b = new BufferedOutputStream(new FileOutputStream(f));while((c=in.read())!=-1){b.write(c);b.flush();}b.close();in.close();}} catch (Exception e) {System.out.println("err");} finally {if (http != null)http.disconnect();}}}