flex4+spring+hibernat实例

package com.sys.tools; //多文件上传的Java端的类 import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletException; import java.util.List; import java.util.Iterator; import java.io.File; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.fileupload.FileItem; import org.apache.log4j.Logger; import org.apache.commons.lang.ObjectUtils; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class FileUploadAction extends HttpServlet { // 限制文件的上传大小 private int maxPostSize = 100 * 1024 * 1024; //文件上传地址 private String uploadPath; public FileUploadAction() { //从配置文件中取得文件上传地址 setUploadPath(); } public String getUploadPath() { return uploadPath; } public void setUploadPath() { //从配置文件中取得文件上传地址 ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml"); // ServerAddress serverAddressBean=(ServerAddress)context.getBean("ServerAddressBean"); // this.uploadPath = serverAddressBean.getUploadPath().trim(); this.uploadPath = "c:/"; } // 文件上传 public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException { this.doUploadAdd(request, response); } private void logger(String info) { System.out.println(info); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doUploadAdd(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doUploadAdd(request, response); } private void doUploadAdd(HttpServletRequest request, HttpServletResponse response) throws ServletException { logger("begin to upload"); try { request.setCharacterEncoding("UTF-8");// 防止文件名称带有汉字后传到服务器乱码 //建立文件夹 this.makeDir(uploadPath); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } saveFiletoServer(request,response,uploadPath); } private void doUploadDelete(HttpServletRequest request,HttpServletResponse response) throws ServletException { String dirtyStr = "";//需要删除的文件名（单个文件）或文件夹名列表 try { if (request.getParameter("dirtyStr") != null) { dirtyStr=URLDecoder.decode(request.getParameter("dirtyStr"),"utf-8");//前台ENCODE,后台DECODE logger("删除的文件（夹）为:" + dirtyStr); } } catch (Exception e) { // TODO Auto-generated catch block logger(e.getMessage()); } try { // new DeleteFiles().DeleteModifyFiles(dirtyStr, uploadPath); } catch (Exception e) { logger(e.getMessage()); } } //保存文件到服务器中 private void saveFiletoServer(HttpServletRequest request,HttpServletResponse response,String uploadPath) { // 操作文件 response.setContentType("text/html; charset=UTF-8"); DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setSizeThreshold(1024 * 4); ServletFileUpload upload = new ServletFileUpload(factory); upload.setFileSizeMax(maxPostSize); logger("request========" + ObjectUtils.toString(request)); List fileItems = null; try { fileItems = upload.parseRequest(request); logger("============" + ObjectUtils.toString(fileItems)); Iterator iter = fileItems.iterator(); while (iter.hasNext()) { FileItem item = (FileItem) iter.next(); log(item.toString()); if (!item.isFormField()) { String name = item.getName(); logger("上传的文件名 = " + name); try { item.write(new File(uploadPath + name)); } catch (Exception ex) { logger(ex.getMessage()); } } } } catch (FileUploadException ex1) { logger("FileUploadException->" + ex1.getMessage()); } } // 建立文件夹路径 private boolean makeDir(String uploadPath) { boolean isOK = false; try { File file = new File(uploadPath); file.mkdirs(); isOK = true; } catch (Exception e) { isOK = false; } finally { return isOK; } } // 建立文件夹路径 private boolean makeDirs(String uploadPath, String newDocStr) { boolean isOK = false; File file; String[] temp; try { temp = newDocStr.split(","); for (int i = 0; i < temp.length; i++) { file = new File(uploadPath + temp[i] + "\\"); file.mkdirs(); } isOK = true; } catch (Exception e) { isOK = false; } finally { return isOK; } } }