FLEX+JAVA文件上传(二)
Java端代码:
package project.fileupload;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
/**
*
* @author crystal
*/
public class FileUploaded extends HttpServlet {
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request
* servlet request
* @param response
* servlet response
*/
private String uploadPath = "d:\\a\\";
private int maxPostSize = 100 * 1024 * 1024;
public FileUploaded() {
super();
}
public void destroy() {
super.destroy();
}
protected void processRequest(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
try {
System.out.println("Access !" + maxPostSize);
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html>;<body>;<h1>;Fuck me baby!</h1>;</body>;</html>;");
out.flush();
// Check that we have a file upload request
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
System.out.println("isMultipart :" + isMultipart);
// *
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setSizeThreshold(4096);
try {
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setSizeMax(maxPostSize);
List fileItems = upload.parseRequest(request);
Iterator iter = fileItems.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
if (!item.isFormField()) {
String name = item.getName();
System.out.println(name);
try {
item.write(new File(uploadPath + name));
// SaveFile s = new SaveFile();
// s.saveFile(name);
} catch (Exception e) {
e.printStackTrace();
}
}
}
} catch (FileUploadException e) {
e.printStackTrace();
System.out.println(e.getMessage() + "失败");
}
// */
} catch (Exception e) {
e.printStackTrace();
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on
// the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*/
public String getServletInfo() {
return "Short description";
}
// </editor-fold>
}
Java端所要导入的包文件有:
1. org.apache.commons.fileupload
2. org.apache.commons.io-1.4
3. servlet包