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后台：<br /> import java.io.File;<br /> import java.io.IOException;<br /> import java.util.List;<br /> import javax.servlet.ServletException;<br /> import javax.servlet.http.HttpServlet;<br /> import javax.servlet.http.HttpServletRequest;<br /> import javax.servlet.http.HttpServletResponse;<br /> import org.apache.commons.fileupload.FileItem;<br /> import org.apache.commons.fileupload.FileItemFactory;<br /> import org.apache.commons.fileupload.disk.DiskFileItemFactory;<br /> import org.apache.commons.fileupload.servlet.ServletFileUpload;</p> <p>public class UploadServlet extends HttpServlet {<br /> /**<br /> * 批量上传可以通过这种方法来实现。<br /> */<br /> @SuppressWarnings("unchecked")<br /> @Override<br /> protected void doPost(HttpServletRequest request, HttpServletResponse response)<br /> throws ServletException, IOException {<br /> request.setCharacterEncoding("utf-8");<br /> FileItemFactory factory = new DiskFileItemFactory();<br /> ServletFileUpload upload = new ServletFileUpload(factory);<br /> try {<br /> List<FileItem> list = upload.parseRequest(request);<br /> System.out.println(list.size());<br /> for (int i = 0; i < list.size(); i++) {<br /> FileItem fileItem = list.get(i);<br /> System.out.println(fileItem);<br /> if(null!=fileItem.getName()){<br /> String name = fileItem.getName().substring(fileItem.getName().lastIndexOf("//") + 1);//截取了文件的名字<br /> System.out.println(name);<br /> String fileName = "C://Users//xxx//Desktop//generic//"+DateTool.getDateTime(DateTool.DEFAULT_DATE_FORMAT1).trim()+"//" ;<br /> File file = new File(fileName);<br /> if(!file.exists()){//判断这个路径存不存在。<br /> Boolean flag = file.mkdirs();//如果不存在，则创建这个路径<br /> }<br /> request.getSession().setAttribute(name, true);<br /> fileItem.write(new File(fileName + name));<br /> continue ;<br /> }<br /> }<br /> } catch (Exception e) {<br /> e.printStackTrace();<br /> }<br /> }<br /> }<br />
<br /> 页面：<br /> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br /> <html xmlns="http://www.w3.org/1999/xhtml"><br /> <head><br /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><br /> <title>Uploadify Example Script</title><br /> <link href="css/default.css" mce_href="css/default.css" rel="stylesheet" type="text/css" /><br /> <link href="css/uploadify.css" mce_href="css/uploadify.css" rel="stylesheet" type="text/css" /><br /> <mce:script type="text/javascript" src="js/jquery.js" mce_src="js/jquery.js"></mce:script><br /> <mce:script type="text/javascript" src="js/swfobject.js" mce_src="js/swfobject.js"></mce:script><br /> <mce:script type="text/javascript" src="js/jquery.uploadify.v2.1.0.min.js" mce_src="js/jquery.uploadify.v2.1.0.min.js"></mce:script><br /> <mce:script type="text/javascript"><!--<br /> $(document).ready(function() {<br /> $("#uploadify").uploadify({<br /> 'uploader' : 'js/uploadify.swf',<br /> 'script' : 'UploadServlet',//后台处理程序的相对路径<br /> 'cancelImg' : 'images/cancel.png',<br /> 'folder' : 'uploads',<br /> 'queueID' : 'fileQueue',<br /> 'auto' : true,//是否自动上传。true为自动上传<br /> 'multi' : false//是否可以进行多文件上传。只是设置在框框内显示的文件的个数。true为可以显示多个<br /> });<br /> });<br /> // --></mce:script><br /> </head><br /> <body><br /> <div id="fileQueue"></div><br /> <input type="file" name="uploadify" id="uploadify" /><br></p> <p><p><br /> <a href="javascript:$('#uploadify').uploadifyUpload()" mce_href="javascript:$('#uploadify').uploadifyUpload()">上传</a>|<br /> <a href="javascript:jQuery('#uploadify').uploadifyClearQueue()" mce_href="javascript:jQuery('#uploadify').uploadifyClearQueue()">取消上传</a></p><br /> </body><br /> </html></p> <p>
需要的jar包：commons-fileupload-1.2.1.jar，commons-io-1.4.jar，jstl.jar,standard.jar
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