<link rel="stylesheet" type="text/css" href='<c:url value="/uploadify/uploadify.css"/>' />
<script src="<c:url value="/uploadify/jquery.uploadify.min.js"/>"type="text/javascript"></script>
<a class="task_btn_upload" href="javascript:$('#file_upload1').uploadify('upload','*')">开始上传</a>
<input type="file" name="file_upload" id="file_upload"/>$(function() {  $("#file_upload").uploadify({ 'auto':false,       //是否允许自动上传'swf' : '../uploadify/uploadify.swf?var='+(new Date()).getTime(), //引入flash'buttonText':'',     //设置button文字'removeCompleted': true,//是否移除掉队列中已经完成上传的文件。false为不移除'removeTimeout': 3,//设置上传完成后删除掉文件的延迟时间，默认为3秒。'width ':'120',      //按钮宽度'method':'PSOT',                     //提交方式'multi':'true',      //是否多文件上传'fileObjName' : 'myFile',   //文件对象名称,用于后台获取文件对象时使用'preventCaching':'true',   //防止浏览器缓存'formData':{'emergencyId':1111}, //动态传参'queueID': 'custom-queue',  //显示在某个div的位置  custom-queue div的id 'uploader' : 'emergencyQueryRevision.do?method=addAnnex' ,    //提交后台方法路径//onUploadStart 动态传参的关键'onUploadStart':function(){$("#file_upload").uploadify("settings","formData",{'emergencyId': $("#id").val()});},'onFallback' : function() {//检测FLASH失败调用  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){  var Data = eval('('+data+')');// alert(file.name+"上传"+Data.result);},onError: function(event, queueID, file)   {    alert(file.name + " 上传失败");    },'onQueueComplete':function(stats) {
//版本不一样方法也存在差异alert("成功上传的文件数：" + stats.uploadsSuccessful + " =上传出错的文件数：" +stats.uploadsErrored + " -上传的文件总大小：" + stats.uploadSize);cancel();},}); });

//上传附件
MultipartHttpServletRequest multipartRequest =
(MultipartHttpServletRequest) request;  MultipartFile file =multipartRequest.getFile("myFile");//获取服务器地址ServletContext sc = request.getSession().getServletContext();//附件存放服务器路径String dir = sc.getRealPath("/upload/yingjiwuzhi/");//如果文件夹不存在，则创建文件夹if (!new File(dir).exists()){new File(dir).mkdirs();}String fileName = file.getOriginalFilename();String realName = fileName.substring(0, fileName.indexOf("."));//防止文件被覆盖，以纳秒生成文件名称Long _l = System.nanoTime();String _extName = fileName.substring(fileName.indexOf("."));fileName = _l + _extName;String uploadPath =  request.getContextPath() +"/upload/yingjiwuzhi/" + fileName;//存储格式为：/项目名/upload/yingjiwuzhi/43038800303864.log//存储到数据库的相对路径String responseStr=""; try {FileUtils.writeByteArrayToFile(new File(dir, fileName),file.getBytes());//服务器中生成文件responseStr="上传成功";  } catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();responseStr="上传失败";  }

//删除服务器上的附件
//获取服务器地址ServletContext sc = request.getSession().getServletContext();//项目名称String projectName = request.getContextPath();String annexId = request.getParameter("annexId");String emergencyId = request.getParameter("emergencyId");//附件路径 存储格式为：/项目名/upload/yingjiwuzhi/43038800303864.logString annexPath=request.getParameter("path");if(!"".equals(annexPath)&&annexPath!=null){String path = annexPath.replace(projectName, "");String filePath = sc.getRealPath(path.trim());File file = new File(filePath);// 如果文件路径所对应的文件存在，并且是一个文件，则直接删除if (file.exists() && file.isFile()) {if (file.delete()) {map.put("result", "true");} else {map.put("result", "false");}} else {file.delete();map.put("result", "true");}}