基于java的网络订餐系统

package servlet; import java.io.File; import java.io.IOException; 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.DiskFileUpload; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; public class TestUploadFile extends HttpServlet { @SuppressWarnings("deprecation") public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { DiskFileUpload fu = new DiskFileUpload(); fu.setSizeMax(300000000); try { List<FileItem> fileList = fu.parseRequest(request); Iterator<FileItem> it = fileList.iterator(); while(it.hasNext()){ FileItem item = (FileItem)it.next(); if(!item.isFormField()){ String name = item.getName(); File file = new File("d:\\testfile\\"+ name); if (file.exists()) { file.delete(); } item.write(file); } else { String fieldName = item.getFieldName(); System.out.println("fieldName="+fieldName+",value="+item.getString("GBK")); } } response.sendRedirect("success.jsp"); } catch (FileUploadException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } }