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- <form action="UploadServlet" method="post"
- enctype="multipart/form-data">
- <input type="file" name="file" size="50" />
- <br />
- <input name="a" type="text"/>
- <br />
- <input type="submit" value="Upload File" />
- </form>
- import java.io.*;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import java.sql.PreparedStatement;
- import java.sql.SQLException;
- import java.util.*;
- import javax.servlet.ServletException;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import javax.swing.JOptionPane;
- import org.apache.commons.fileupload.FileItem;
- import org.apache.commons.fileupload.disk.DiskFileItemFactory;
- import org.apache.commons.fileupload.servlet.ServletFileUpload;
- public class UploadServlet extends HttpServlet {
- private boolean isMultipart;
- private String filePath;
- private int maxFileSize = 10000 * 1024;
- private int maxMemSize = 5 * 1024;
- private File file;
- String gi;
- @Override
- public void init() {
- // Get the file location where it would be stored.
- filePath = getServletContext().getInitParameter("file-upload");
- }
- protected void processRequest(HttpServletRequest request, HttpServletResponse
- response) throws ServletException, IOException {
- // Check that we have a file upload request
- isMultipart = ServletFileUpload.isMultipartContent(request);
- response.setContentType("text/html;charset=UTF-8");
- PrintWriter out = response.getWriter();
- gi =request.getParameter("a");
- if (!isMultipart) {
- out.println("<html>");
- out.println("<head>");
- out.println("<title>Servlet upload</title>");
- out.println("</head>");
- out.println("<body>");
- out.println("<p>No file uploaded</p>");
- out.println("</body>");
- out.println("</html>");
- return;
- }
- DiskFileItemFactory factory = new DiskFileItemFactory();
- // maximum size that will be stored in memory
- factory.setSizeThreshold(maxMemSize);
- // Location to save data that is larger than maxMemSize.
- factory.setRepository(new File("D:\Software\apache-tomcat-7.0.29\webapps\Hello\temp"));
- // Create a new file upload handler
- ServletFileUpload upload = new ServletFileUpload(factory);
- // maximum file size to be uploaded.
- upload.setSizeMax(maxFileSize);
- try {
- // Parse the request to get file items.
- List fileItems = upload.parseRequest(request);
- // Process the uploaded file items
- Iterator i = fileItems.iterator();
- out.println("<html>");
- out.println("<head>");
- out.println("<title>Servlet upload</title>");
- out.println("</head>");
- out.println("<body>");
- while (i.hasNext()) {
- FileItem fi = (FileItem) i.next();
- if (!fi.isFormField()) {
- // Get the uploaded file parameters
- String fieldName = fi.getFieldName();
- String fileName = fi.getName();
- String contentType = fi.getContentType();
- boolean isInMemory = fi.isInMemory();
- long sizeInBytes = fi.getSize();
- // Write the file
- if (fileName.lastIndexOf("\") >= 0) {
- file = new File(filePath + fileName.substring(fileName.lastIndexOf("\")));
- } else {
- file = new File(filePath + fileName.substring(fileName.lastIndexOf("\") + 1));
- }
- fi.write(file);
- out.println("Uploaded Filename: " + fileName + "<br>");
- }
- }
- } catch (Exception ex) {
- out.println("Your file size should be less than 10 or equal to 10kb" + ex);
- }
- try {
- /* TODO output your page here. You may use following sample code. */
- out.println("<h1>"+gi+"</h1>");
- try {
- Class.forName("com.mysql.jdbc.Driver");
- Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/webSiteTest", "root", "root");
- PreparedStatement stat = conn.prepareStatement("insert into abc(name) values (?)");
- stat.setString(1, gi);
- int aa = stat.executeUpdate();
- JOptionPane.showMessageDialog(null, "Database Connected Successfully.");
- } catch (SQLException ex) {
- JOptionPane.showMessageDialog(null, "Query Error!");
- } catch (ClassNotFoundException ee) {
- JOptionPane.showMessageDialog(null, "Database not Found!");
- }
- out.println("</body>");
- out.println("</html>");
- } finally {
- out.close();
- }
- }
- @Override
- public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException {
- processRequest(request, response);
- }
- @Override
- public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException {
- //throw new ServletException("GET method used with " + getClass().getName() + ": POST method required.");
- processRequest(request, response);
- }
- }
- request.setAttribute("file",fileObject);
- request.getAttribute("file");
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