Struts2+JQuery.uploadify插件實現帶進度的多文件上傳示例

/** * Struts2Test * 順便的文件下載的Action */ package com.labci.struts2.action; import java.io.FileInputStream; import java.io.InputStream; import java.io.OutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; import com.opensymphony.xwork2.ActionSupport; /** * @author Bill Tu(tujiyue/iwtxokhtd) * Jun 8, 2011[9:15:15 PM] * */ public class DownloadFileAction extends ActionSupport implements ServletRequestAware, ServletResponseAware { /** * */ private static final long serialVersionUID = -7448748577778248376L; private HttpServletRequest request; private HttpServletResponse response; private String savePath; @Override public String execute() throws Exception { String fileName=request.getParameter("fileName"); String fullPath=getSavePath()+"//"+fileName; fileName=new String(fileName.getBytes("utf-8"),"iso-8859-1"); InputStream is=new FileInputStream(fullPath); int len=0; byte []buffers=new byte[1024]; response.reset(); response.setContentType("application/x-msdownload"); response.addHeader("Content-Disposition", "attachment;filename=/""+fileName+"/""); //把文件內容通過輸出流打印到頁面上供下載 while((len=is.read(buffers))!=-1){ OutputStream os=response.getOutputStream(); os.write(buffers, 0, len); } is.close(); return SUCCESS; } public void setServletRequest(HttpServletRequest req) { this.request=req; } public void setServletResponse(HttpServletResponse resp) { this.response=resp; } @SuppressWarnings("deprecation") public String getSavePath() { return request.getRealPath(savePath); } public void setSavePath(String savePath) { this.savePath = savePath; } }

/** * Struts2Test * 使用Struts2上傳文件 */ package com.labci.struts2.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.List; import javax.servlet.http.HttpServletRequest; import org.apache.struts2.interceptor.ServletRequestAware; import com.opensymphony.xwork2.ActionSupport; /** * @author Bill Tu(tujiyue/iwtxokhtd) * Jun 8, 2011[8:31:01 PM] * */ public class UploadFileAction extends ActionSupport implements ServletRequestAware { /** * */ private static final long serialVersionUID = -1896915260152387341L; private HttpServletRequest request; public void setServletRequest(HttpServletRequest req) { this.request=req; } private List<File> fileName;//這裏的"fileName"一定要與表單中的文件域名相同 private List<String> fileNameContentType;//格式同上"fileName"+ContentType private List<String> fileNameFileName;//格式同上"fileName"+FileName private String savePath;//文件上傳後保存的路徑 public List<File> getFileName() { return fileName; } public void setFileName(List<File> fileName) { this.fileName = fileName; } public List<String> getFileNameContentType() { return fileNameContentType; } public void setFileNameContentType(List<String> fileNameContentType) { this.fileNameContentType = fileNameContentType; } public List<String> getFileNameFileName() { return fileNameFileName; } public void setFileNameFileName(List<String> fileNameFileName) { this.fileNameFileName = fileNameFileName; } @SuppressWarnings("deprecation") public String getSavePath() { return request.getRealPath(savePath); } public void setSavePath(String savePath) { this.savePath = savePath; } @Override public String execute() throws Exception { File dir=new File(getSavePath()); if(!dir.exists()){ dir.mkdirs(); } List<File> files=getFileName(); for(int i=0;i<files.size();i++){ FileOutputStream fos=new FileOutputStream(getSavePath()+"//"+getFileNameFileName().get(i)); FileInputStream fis=new FileInputStream(getFileName().get(i)); byte []buffers=new byte[1024]; int len=0; while((len=fis.read(buffers))!=-1){ fos.write(buffers,0,len); } } return SUCCESS; } }

<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="false" />  <constant name="struts.multipart.maxSize" value="1024000000"/> <package name="upload" extends="struts-default"> <action name="uploadFile" class="com.labci.struts2.action.UploadFileAction"> <param name="savePath">/upload</param> <result name="success">index.jsp</result> </action> <action name="downloadFile" class="com.labci.struts2.action.DownloadFileAction"> <param name="savePath">/upload</param> <result name="success">index.jsp</result> </action> </package> </struts>

<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <filter> <filter-name>struts2</filter-name> <filter-class> org.apache.struts2.dispatcher.FilterDispatcher </filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>

<%@ page language="java" contentType="text/html;charset=utf-8" pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Struts2結合JQuery.uploadify實現帶進度的多文件上傳示例</title> <link href="js/uploadify.css" mce_href="js/uploadify.css" rel="stylesheet" type="text/css"/> <mce:script type="text/javascript" src="js/jquery-1.4.2.min.js" mce_src="js/jquery-1.4.2.min.js" ></mce:script> <mce:script type="text/javascript" src="js/swfobject.js" mce_src="js/swfobject.js" ></mce:script> <mce:script type="text/javascript" src="js/jquery.uploadify.v2.1.4.min.js" mce_src="js/jquery.uploadify.v2.1.4.min.js" ></mce:script> <mce:script type="text/javascript"></mce:script> </head> <body> <div id="full"></div> <div id="allShow"></div> <div id="show"></div> <input type="file" name="fileName" id="strutsUploadFile"/><br/> <input type="button" οnclick="javascript:$('#strutsUploadFile').uploadifyUpload()" value="確定上傳"/> <input type="button" id="cancelBtn" οnclick="javascript:$('#strutsUploadFile').uploadifyClearQueue()" value="取消上傳"/> </body> </html>