项目结构:
代码:
index.jsp:
<%@ 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="styles.css">
-->
<link rel="stylesheet" type="text/css" href="uploadify/uploadify.css">
<script type="text/javascript" src="//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(){
$("#uploadify").uploadify({
'debug' : false, //开启调试
'auto' : false, //是否自动上传
'swf' : 'uploadify/uploadify.swf', //引入uploadify.swf
'uploader' : 'upload;jsessionid=${pageContext.session.id}',//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>
<div>
<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>
</div>
</body>
</html>
struts.xml:
<package name="default" namespace="/" extends="struts-default">
<action name="upload" class="com.struts2AndUploadify.action.UploadAction">
</action>
</package>
UploadAction.java:
package com.action;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import org.apache.commons.io.IOUtils;
import com.entity.Nfcuser;
import com.util.DeleteFile;
/**
* 上传文件到resource中
* @author Administrator
*
*/
public class UploadAction extends BaseAction {
private static final long serialVersionUID = 1L;
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
public String execute() throws IOException{
System.out.println("000000000");
Properties pro = new Properties();
InputStream in = DeleteFile.class.getClassLoader().getResourceAsStream("qiniu.properties");
pro.load(in);
String headpath = pro.getProperty("headpath");//读取配置文件,获取保存文件的根路径
String num = "";
for(int i=0;i<5;i++){
num += String.valueOf((int)(Math.random()*10));//得到5位随机数
}
SimpleDateFormat dt = new SimpleDateFormat("yyyyMMddhhmmss");
String date = dt.format(new Date());//获取当前时间字符串
Nfcuser user = (Nfcuser)session.get("loginuser");//从内存中得到用户对象
System.out.println(user.getUseraccount());
if(user==null){
System.out.println("1");
return LOGIN;//用户未登录
}else{
System.out.println("2");
int userid = user.getId();//用户编号
String filenum = "";//生成保存上传文件的文件夹名称,这个名称也作为压缩文件的名称,
if(session.get("filenum")==null){
System.out.println(3);
filenum = userid + date + num;
session.put("filenum", filenum);
}else{
System.out.println(4);
System.out.println(session.get("filenum"));
filenum = (String)session.get("filenum");
}
String path = headpath + userid + "/" + filenum + "/resource/";//保存文件的路径
System.out.println(path);
File folder = new File(path);
if(!folder.exists()){
folder.mkdirs();//如果路径不存在则创建
}
//下面才是保存文件,这上面都是对路劲的处理
System.out.println(uploadify);
String savePath = path + this.uploadifyFileName;
FileInputStream fis = new FileInputStream(uploadify);
FileOutputStream fos = new FileOutputStream(savePath);
IOUtils.copy(fis, fos);
fos.flush();
fos.close();
fis.close();
}
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;
}
}
注意:如果提交报错,数据根本就没有传递到后台,那么可以试着把提交路径改为
'uploader' : 'upload.action;jsessionid=${pageContext.session.id}',//请求路径
如果web.xml中的配置为:
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
那么路径可以为:
'uploader' : 'upload;jsessionid=${pageContext.session.id}',//请求路径
如果web.xml配置为:
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
那么提交路径必须为:
'uploader' : 'upload.action;jsessionid=${pageContext.session.id}',//请求路径
如果需要在UploadAction中使用session,那么在路径后把
jsessionid=${pageContext.session.id}'加上,如果不需要使用session可以不用加。