jquery-file-upload 文件上传带进度条效果

<div style="line-height:34px;margin-top:20px;">     <label style="float: left;font-size:14px">上传文件：</label>     <span class="btn btn-success fileinput-button fn-left">    <i class="glyphicon glyphicon-plus"></i>    <span>浏览...</span>    <input type="file" name="file" id="file_upload">   </span>     <div style="float: left;margin-left: 20px;font-weight: bold" id="uploadText"></div>     </div>     <div class="fn-clear"></div>     <div id="progress">     <div class="bar" style="width: 0%;"></div>     </div> 

<link rel="stylesheet" href="/admin/assets/plugins/jquery-file-upload/css/jquery.fileupload-ui.css" rel="external nofollow" > <link rel="stylesheet" href="/admin/assets/plugins/jquery-file-upload/css/jquery.fileupload.css" rel="external nofollow" > /*文件上传控件*/ .bar {  background-image: -webkit-linear-gradient(top,#5cb85c 0,#449d44 100%);  background-image: -o-linear-gradient(top,#5cb85c 0,#449d44 100%);  background-image: -webkit-gradient(linear,left top,left bottom,from(#5cb85c),to(#449d44));  background-image: linear-gradient(to bottom,#5cb85c 0,#449d44 100%);  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff5cb85c', endColorstr='#ff449d44', GradientType=0);  background-repeat: repeat-x;  height: 20px;  font-size: 12px;  line-height: 20px;  color: #fff;  text-align: center;  background-color: #428bca;  -webkit-box-shadow: inset 0 -1px 0 rgba(0,0,0,.15);  box-shadow: inset 0 -1px 0 rgba(0,0,0,.15);  -webkit-transition: width .6s ease;  -o-transition: width .6s ease;  transition: width .6s ease; } #progress {  background-image: -webkit-linear-gradient(top,#ebebeb 0,#f5f5f5 100%);  background-image: -o-linear-gradient(top,#ebebeb 0,#f5f5f5 100%);  background-image: -webkit-gradient(linear,left top,left bottom,from(#ebebeb),to(#f5f5f5));  background-image: linear-gradient(to bottom,#ebebeb 0,#f5f5f5 100%);  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffebebeb', endColorstr='#fff5f5f5', GradientType=0);  background-repeat: repeat-x;  height: 20px;  width: 0%;  margin-bottom: 20px;  overflow: hidden;  background-color: #f5f5f5;  border-radius: 4px;  -webkit-box-shadow: inset 0 1px 2px rgba(0,0,0,.1);  box-shadow: inset 0 1px 2px rgba(0,0,0,.1);  margin-top: 20px; } .glyphicon {  position: relative;  top: 1px;  display: inline-block;  font-family: 'Glyphicons Halflings';  font-style: normal;  font-weight: 400;  line-height: 1;  -webkit-font-smoothing: antialiased;  -moz-osx-font-smoothing: grayscale; } .glyphicon-plus:before {  content: "/2b"; } .btn-success {  color: #fff;  background-color: #5cb85c;  border-color: #4cae4c; } .btn {  display: inline-block;  padding: 6px 12px;  margin-bottom: 0;  font-size: 14px;  font-weight: 400;  line-height: 1.42857143;  text-align: center;  white-space: nowrap;  vertical-align: middle;  cursor: pointer;  -webkit-user-select: none;  -moz-user-select: none;  -ms-user-select: none;  user-select: none;  background-image: none;  border: 1px solid transparent;  border-radius: 4px; } 

<script src="/admin/assets/plugins/jquery-file-upload/js/vendor/jquery.ui.widget.js"></script> <script src="/admin/assets/plugins/jquery-file-upload/js/jquery.fileupload.js"></script> <script type="text/javascript" src="${pageContext.request.contextPath}/admin/assets/plugins/jquery-1.10.2.min.js"></script> 

<span style="font-family:monospace;font-size:14px;"> <span id="_xhe_cursor"></span>$('#file_upload').fileupload({   dataType: 'json',   url:'${pageContext.request.contextPath}/excel/upload',   autoUpload:false,   add: function (e, data) {   $('#progress').css(    'width','0%'   );   $('#progress .bar').css(    'width', '0%'   );   $("#uploadText").empty();   var fileType = data.files[0].name.split('.').pop();   // console.log(data);   var acceptFileTypes = /xls|xlsx$/i;   var size = data.files[0].size;   size = (size/1024).toFixed(2);//文件大小单位kb   var maxFileSize = 5*1024;//最大允许文件大小单位kb   if (!acceptFileTypes.test(fileType)) {    new Message({message:"不支持的文件类型，仅支持EXCEL文件"});    return ;   }   if(size>maxFileSize){    new Message({message:"文件大小："+size+"KB,超过最大限制："+maxFileSize+"KB"});    return ;   }   data.context = $("<button class=' ui-button ui-button-lwhite'/>").text("上传")    .appendTo("#uploadText")    .click(function () {     data.context = $("<p/>").text("正在上传...").replaceAll($(this));     data.submit();    });   },   progressall: function (e, data) {   var progress = parseInt(data.loaded / data.total * 100, 10);   $('#progress').css(    'width','100%'   );   $('#progress .bar').css(    'width',progress + '%'   );   },   fail:function (e, data) {   new Message({message:"上传失败"});   },   done: function (e, data) {   console.log(data.files[0]);   var fileName = data.files[0].name;   var size = data.files[0].size;   var obj = data.result;   if(obj.success == true){    $("#filePath").val(obj.result.fileId+"&"+obj.result.opLogId);    data.context.text("文件上传已完成！文件名："+fileName+" 文件大小："+size+"kb");   }else{    alert(obj.errorMsg);   }   }  });</span> 

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