uploadify3.2.1+struts2实现多文件上传

来源：互联网发布：怎么删除mac上的文件编辑：程序博客网时间：2024/05/18 02:19

uploadify.css 中需要更改图片路径,否则不显示"X"

index.jsp上传页面

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

<link rel="stylesheet" type="text/css" href="uploadify/uploadify.css">
<script type="text/javascript" src="http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="uploadify/jquery.uploadify.min.js"></script>
<script type="text/javascript">
$(function(){
$("#uploadify").uploadify({
'debug' : false, //开启调试
'auto' : false, //是否自动上传
'swf' : 'uploadify/uploadify.swf', //引入uploadify.swf
'uploader' : 'upload',//请求路径
'queueID' : 'fileQueue',//队列id,用来展示上传进度的
'width' : '75', //按钮宽度
'height' : '24', //按钮高度
'queueSizeLimit' : 3, //同时上传文件的个数
'fileTypeDesc' : '视频文件', //可选择文件类型说明
'fileTypeExts' : '*.jpg;*.gif', //控制可上传文件的扩展名
'multi' : true, //允许多文件上传
'buttonText' : '图片上传',//按钮上的文字
'fileSizeLimit' : '2MB', //设置单个文件大小限制
'fileObjName' : 'uploadify', //<input type="file"/>的name
'method' : 'post',
'removeCompleted' : true,//上传完成后自动删除队列
'onFallback':function(){
alert("您未安装FLASH控件，无法上传图片！请安装FLASH控件后再试。");
},
'onUploadSuccess' : function(file, data, response){//单个文件上传成功触发
//data就是action中返回来的数据
},'onQueueComplete' : function(){//所有文件上传完成
alert("文件上传成功!");
}
});
});
</script>
</head>

<body>
<input type="file" id="uploadify" name="uploadify">
<div id="fileQueue"></div>
<a href="javascript:$('#uploadify').uploadify('upload','*')">开始上传</a>
<a href="javascript:$('#uploadify').uploadify('cancel')">取消所有上传</a>
</body>
</html>

Action:

package com.struts2AndUploadify.action;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("serial")
public class UploadAction extends ActionSupport {

private File uploadify;//上传文件file对象
private String uploadifyFileName;//上传文件名
private String uploadifyContentType;//上传文件类型
private String description;//上传文件的描述
private String uploadDir;//保存上传文件的目录,相对于web应用程序的根路径,在struts.xml文件中配置

public String execute(){
String newFileName=null;
//得到当前时间开始流逝的毫秒数,将这个毫秒数作为上传文件新的文件名
long now=new Date().getTime();
//得到保存上传文件的真实路径
String path=ServletActionContext.getServletContext().getRealPath(uploadDir);
File dir=new File(path);
//如果这个目录不存在,则创建它
if (!dir.exists()) {
dir.mkdir();
}
int index=uploadifyFileName.lastIndexOf(".");

//判断上传文件是否有扩展名,以时间戳作为新的文件名
if (index!=-1) {
newFileName=now+uploadifyFileName.substring(index);
}else {
newFileName=Long.toString(now);
}
BufferedOutputStream bos=null;
BufferedInputStream bis=null;

//读取保存在临时目录下的上传文件,写入到新的文件中
try {
FileInputStream fis=new FileInputStream(uploadify);
bis=new BufferedInputStream(fis);

FileOutputStream fos=new FileOutputStream(new File(dir,newFileName));
bos=new BufferedOutputStream(fos);

byte [] buf=new byte[4096];
int len=-1;
while ((len=bis.read(buf))!=-1) {
bos.write(buf,0,len);
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
if (null!=bis) {
try {
bis.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (null!=bos) {
try {
bos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return null;
}

public File getUploadify() {
return uploadify;
}

public void setUploadify(File uploadify) {
this.uploadify = uploadify;
}

public String getUploadifyFileName() {
return uploadifyFileName;
}

public void setUploadifyFileName(String uploadifyFileName) {
this.uploadifyFileName = uploadifyFileName;
}

public String getUploadifyContentType() {
return uploadifyContentType;
}

public void setUploadifyContentType(String uploadifyContentType) {
this.uploadifyContentType = uploadifyContentType;
}

public String getDescription() {
return description;
}

public void setDescription(String description) {
this.description = description;
}

public String getUploadDir() {
return uploadDir;
}

public void setUploadDir(String uploadDir) {
this.uploadDir = uploadDir;
}

}

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="default" namespace="/" extends="struts-default">
<action name="upload" class="com.struts2AndUploadify.action.UploadAction">
<param name="uploadDir">uploadFiles</param>
</action>
</package>
</struts>

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