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JSP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<form action="processUpload.do" method="post" enctype="multipart/form-data">
<input type="file" name="csvUpload">
<input type="submit" name="submit" value="Submit">
</form>
</body>
</html>
Servlet
public class upLoadServlet extends HttpServlet {
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
public void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, FileUploadException, UploadException {
PrintWriter out = response.getWriter();
MultipartFormDataRequest multiPartRequest =
new MultipartFormDataRequest(request);
Hashtable files = multiPartRequest.getFiles();
UploadFile userFile = (UploadFile)files.get("csvUpload");
CSVReader reader = new CSVReader(
new InputStreamReader(userFile.getInpuStream()));
String[] columns;
while ((columns = reader.readNext()) != null) {
out.println("<tr><td>" + columns[0] + "</td>");
out.println("<td>" + columns[1] + "</td></tr>");
}
reader.close();
}
}
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