file servlet example

file servlet example

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A simple example of creating a downloadable file and serving it from a Java Servlet application. DownloadServlet.java. import java.io.*; import javax.servlet.ServletException; import javax.servlet.http.*; public class DownloadServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); To download a file from the servlet we have used the following methods of the HttpServletResponse. Read the file on the server using the FileInputStream object. To download a file, we will set the content-type as application/octet-stream in the response object by using the setContentType() method. Servlet Upload File to Server - Apache Commons FileUpload ServletFileUpload, Download File, HTML Form enctype='multipart/form-data', content-disposition. The idea is that with the GET request index.jsp?filename=file.txt , the user can download for example. file.txt from the file servlet and the file ... txt” , and you want to let user download it with a URL , for example “http://localhost:8080/servlet/DownloadDemo”.

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