Rapadura What Can You Sub
code Here I go to "dowload" of a file that is on the server to the client.
hope and serve them.
1. Create an html page with the name of
"download. html "
, in the following directory .. / webapps / project name
/ jsp / examples Eye:
project name refers to the name "You" put your project (located in "webapps"). If, for example, this was called "test1", then the path would be as follows: ... webapps \\ test1 \\ jsp \\ examples Containing the following code:
\u0026lt;% @ page contentType = "text / html"% > \u0026lt;html> \u0026lt;head> \u0026lt;title> jspQuery \u0026lt;/ title> \u0026lt;/ head>
<body>
<form action="/nombre proyecto/servlet/ejemplos.Download">
<p><font color="#FFFFFF" size="1"
face="Verdana, Arial, Helvetica, sans-serif"><strong>
</strong></font></p>
<p>
<input type="submit" value="Download" name="dato"
>
</p>
<p> </p>
<p> </p>
\u0026lt;/ Form>
\u0026lt;/ body>
\u0026lt;/ html>
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2. Create a file under the name:
"Download.java"
at the following address: \\ webapps \\
name project \\ WEB-INF \\ classes \\ examples contain the following code:
/ * * Download.java
* * Created on Jan 12, 2006, 04:00 PM
*/
package ejemplos;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
*
* @author Oscar Hurtado Morato
* @version 1.0
*/
public class DownloadError extends HttpServlet {
/** Initializes the servlet.
*/
public void init(ServletConfig config) throws ServletException {
super.init(config);
}
/** Destroys the servlet.
*/
public void destroy() {
}
protected void processRequest(HttpServletRequest request, HttpServletResponse
response)
throws ServletException, java.io.IOException {
//Aqui placed the path and name of the file to be upload
String filePath = "c: /";
String fileName = "test.txt";
fileToDownload = new FileInputStream FileInputStream (filePath);
response.getOutputStream ServletOutputStream out = ( )
response.setContentType ("application / zip");
response.setHeader ("Content-Disposition", "attachment; filename =" + fileName);
response.setContentLength (fileToDownload.available ());
int c ;
while ((c = fileToDownload.read ())! = -1) {
out.write (c);}
out.flush ();
out.close ();
fileToDownload.close ();
} protected void doGet (HttpServletRequest request, HttpServletResponse response) throws ServletException
,
java.io.IOException {processRequest (request, response);}
protected void doPost (HttpServletRequest request, HttpServletResponse response
)
throws ServletException, java.io.IOException {processRequest
( request, response);
}}
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3. End
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