jsp+jQuery+javabean的表格带增删改查功能的代码详情-代码-最代码

首页>代码>jsp+jQuery+javabean的表格带增删改查功能>/jsp/src/jsp/Download.java
01package jsp;
02 
03import java.io.*;
04 
05import javax.servlet.ServletException;
06import javax.servlet.annotation.WebServlet;
07import javax.servlet.http.HttpServlet;
08import javax.servlet.http.HttpServletRequest;
09import javax.servlet.http.HttpServletResponse;
10 
11/**
12 * Servlet implementation class Download
13 */
14@WebServlet("/Download")
15public class Download extends HttpServlet {
16    private static final long serialVersionUID = 1L;
17        
18    /**
19     * @see HttpServlet#HttpServlet()
20     */
21    public Download() {
22        super();
23        // TODO Auto-generated constructor stub
24    }
25 
26    public void doGet( HttpServletRequest request,HttpServletResponse response) {  
27        try {  
28             
29            File file = new File("./dt.jar");  
30           
31            String filename = file.getName();  
32          
33            @SuppressWarnings("unused")
34            String ext = filename.substring(filename.lastIndexOf(".") + 1)  
35                    .toUpperCase();  
36       
37           
38            InputStream fis = new BufferedInputStream (new FileInputStream("./dt.jar"));  
39            byte[] buffer = new byte[fis.available()];  
40            fis.read(buffer);  
41            fis.close();  
42            
43            response.reset();  
44           
45            response.addHeader("Content-Disposition", "attachment;filename=" 
46                    + new String(filename.getBytes()));  
47            response.addHeader("Content-Length", "" + file.length());  
48            OutputStream toClient = new BufferedOutputStream(  
49                    response.getOutputStream());  
50            response.setContentType("application/octet-stream");  
51            toClient.write(buffer);  
52            toClient.flush();  
53            toClient.close();  
54        } catch (IOException ex) {  
55            ex.printStackTrace();  
56        }  
57        return ;  
58    }  
59     
60     
61     
62    /**
63     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
64     */
65//  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
66 
67//  }
68 
69    /**
70     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
71     */
72    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
73        // TODO Auto-generated method stub
74    }
75 
76}