图片上传成功实例java+struts1

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.techmore.struts.action; import java.io.File; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.UUID; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.MappingDispatchAction; /** * MyEclipse Struts Creation date: 05-18-2007 * * XDoclet definition: * * @struts.action validate="true" */ public class UploadFilesAction extends MappingDispatchAction { /* * Generated Methods */ /** * Method execute * * @param mapping * @param form * @param request * @param response * @return ActionForward */ public ActionForward upload(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // TODO Auto-generated method stub System.out.println("xxx"); try { request.setCharacterEncoding("UTF-8"); FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); // upload.setHeaderEncoding(request.getCharacterEncoding()); System.out.println("request:" + request); List items = upload.parseRequest(request); Iterator iter = items.iterator(); while (iter.hasNext()) { FileItem item = (FileItem) iter.next(); if (item.isFormField()) {/* * String name = item.getFieldName(); String value = item.getString(); * System.out.println("name = " + name); System.out.println("value = " + * value); System.out.println("/r/n"); */ } else { String fieldName = item.getFieldName(); String fileName = item.getName(); System.out .println("文件类型 " + fileName.substring(fileName.lastIndexOf('.') + 1, fileName.length())); // boolean isInMemory = item.isInMemory(); long sizeInBytes = item.getSize(); getListInSession(request).add(fileName); getListInSession(request).add(UUID.randomUUID()); // String[] str=fieldName.split("\\."); // int l=str.length-1; // System.out.println("文件类型 "+str[l]); // System.out.println("fieldName = " + fieldName); System.out.println("fileName = " + fileName); // System.out.println("文件存储路径 "+request.getRealPath("/")+"uploadfile/"); // 路径 D:\Program Files\apache-tomcat-6.0.18\webapps\rockontrol_oa\UploadFiles\2009042991039312\ String filePath = this.getServlet().getServletContext().getRealPath("/") + "uploadfile/" + "中文/"; File savePath = new File(filePath); System.out.println(savePath.getAbsolutePath()); if (!savePath.exists()) { savePath.mkdir(); } item.write(new File(filePath + fileName)); } } System.out.println("-------- final--------"); } catch (Exception ex) { ex.printStackTrace(); } return null; } public ActionForward getResult(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List list = getListInSession(request); request.getSession().removeAttribute("_result"); response.setCharacterEncoding("utf-8"); response.getWriter().print(list); response.flushBuffer(); return null; } public List getListInSession(HttpServletRequest request) { List result = (List) request.getSession().getAttribute("_result"); if (result == null) { result = new ArrayList(); request.getSession().setAttribute("_result", result); } return result; } }