网络上很多的例子虽然说是3.1版本的,但是调用方法都是老版本的,跑不起来,经过查看doc,下面的例子可以在tomcat中正常运行。
index.jsp
[html]
- <%@ page language="java" contentType="text/html; charset=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>文件上传</title>
- <link href="css/uploadify.css" rel="stylesheet" type="text/css" />
- <script type="text/javascript" src="scripts/jquery-1.7.2.min.js"></script>
- <script type="text/javascript" src="scripts/jquery.uploadify-3.1.min.js"></script>
- <script type="text/javascript">
- $(document).ready(function() {
- $("#uploadify").uploadify({
- 'auto' : false,
- 'swf' : '<%=path%>/scripts/uploadify.swf',
- 'uploader' : '<%=path%>/scripts/uploadify',//后台处理的请求
- 'queueID' : 'fileQueue',//与下面的id对应
- 'queueSizeLimit' :1,
- 'fileTypeDesc' : 'rar文件或zip文件',
- 'fileTypeExts' : '*.rar;*.zip', //控制可上传文件的扩展名,启用本项时需同时声明fileDesc
- 'multi' : true,
- 'buttonText' : '上传'
- });
- });
- </script>
- </head>
- <body>
- <div id="fileQueue"></div>
- <input type="file" name="uploadify" id="uploadify" />
- <p>
- <a href="javascript:$('#uploadify').uploadify('upload')">开始上传</a>
- <a href="javascript:$('#uploadify').uplaodify('cancel','*')">取消上传</a>
- </p>
- </body>
- </html>
[java]
- package com.rh.core.upload;
- import java.io.BufferedInputStream;
- import java.io.BufferedOutputStream;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Iterator;
- import java.util.List;
- import javax.servlet.ServletException;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import org.apache.commons.fileupload.disk.DiskFileItem;
- import org.apache.commons.fileupload.disk.DiskFileItemFactory;
- import org.apache.commons.fileupload.servlet.ServletFileUpload;
- import org.apache.commons.fileupload.util.Streams;
- public class Uploadify extends HttpServlet{
- private static final long serialVersionUID = 1L;
- /**
- * 实现多文件的同时上传
- */
- public void doGet(HttpServletRequest request,
- HttpServletResponse response) throws ServletException, IOException {
- //设置接收的编码格式
- request.setCharacterEncoding("UTF-8");
- Date date = new Date();//获取当前时间
- SimpleDateFormat sdfFileName = new SimpleDateFormat("yyyyMMddHHmmss");
- SimpleDateFormat sdfFolder = new SimpleDateFormat("yyMM");
- String newfileName = sdfFileName.format(date);//文件名称
- String fileRealPath = "";//文件存放真实地址
- String fileRealResistPath = "";//文件存放真实相对路径
- //名称 界面编码 必须 和request 保存一致..否则乱码
- String name = request.getParameter("name");
- String firstFileName="";
- // 获得容器中上传文件夹所在的物理路径
- String savePath = this.getServletConfig().getServletContext().getRealPath("/") + "uploads\\" + newfileName +"\\";
- System.out.println("路径" + savePath+"; name:"+name);
- File file = new File(savePath);
- if (!file.isDirectory()) {
- file.mkdirs();
- }
- try {
- DiskFileItemFactory fac = new DiskFileItemFactory();
- ServletFileUpload upload = new ServletFileUpload(fac);
- upload.setHeaderEncoding("UTF-8");
- // 获取多个上传文件
- List fileList = fileList = upload.parseRequest(request);
- // 遍历上传文件写入磁盘
- Iterator it = fileList.iterator();
- while (it.hasNext()) {
- Object obit = it.next();
- if(obit instanceof DiskFileItem){
- System.out.println("xxxxxxxxxxxxx");
- DiskFileItem item = (DiskFileItem) obit;
- // 如果item是文件上传表单域
- // 获得文件名及路径
- String fileName = item.getName();
- if (fileName != null) {
- firstFileName=item.getName().substring(item.getName().lastIndexOf("\\")+1);
- String formatName = firstFileName.substring(firstFileName.lastIndexOf("."));//获取文件后缀名
- fileRealPath = savePath + newfileName+ formatName;//文件存放真实地址
- BufferedInputStream in = new BufferedInputStream(item.getInputStream());// 获得文件输入流
- BufferedOutputStream outStream = new BufferedOutputStream(new FileOutputStream(new File(fileRealPath)));// 获得文件输出流
- Streams.copy(in, outStream, true);// 开始把文件写到你指定的上传文件夹
- //上传成功,则插入数据库
- if (new File(fileRealPath).exists()) {
- //虚拟路径赋值
- fileRealResistPath=sdfFolder.format(date)+"/"+fileRealPath.substring(fileRealPath.lastIndexOf("\\")+1);
- //保存到数据库
- System.out.println("保存到数据库:");
- System.out.println("name:"+name);
- System.out.println("虚拟路径:"+fileRealResistPath);
- }
- }
- }
- }
- } catch (org.apache.commons.fileupload.FileUploadException ex) {
- ex.printStackTrace();
- System.out.println("没有上传文件");
- return;
- }
- response.getWriter().write("1");
- }
- public void doPost(HttpServletRequest req, HttpServletResponse resp)
- throws ServletException, IOException {
- doGet(req, resp);
- }
- }
[html]
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app id="WebApp_ID" 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">
- <servlet>
- <servlet-name>Uploadify</servlet-name>
- <servlet-class>com.rh.core.upload.Uploadify</servlet-class>
- </servlet>
- <servlet-mapping>
- <servlet-name>Uploadify</servlet-name>
- <url-pattern>/scripts/uploadify</url-pattern>
- </servlet-mapping>
- <welcome-file-list>
- <welcome-file>index.jsp</welcome-file>
- </welcome-file-list>
- </web-app>