<!-- 触发弹出框 -->
<a id="uploadBtn" class="optionbtn inline" href="#">文件上传</a>
<div id="uploadContent" class="" style="display:none;height:300px;overflow-x:hidden;overflow-y:auto;">
<div id="choosefile">
<span>单个文件支持小于100M</span><br/>
<a id="uploadify" href="javascript:void(0);">选择文件</a>
</div> 
<div id="uploadfileQueue" style="border: 1px solid #a7c5e2;height: 228px;width: 350px;">
</div>
</div><pre id="console"></pre>

var globalUploader;
function _plupload(){
var uploader = new plupload.Uploader({
runtimes : 'html5,flash,silverlight,html4',
browse_button: 'uploadify', //页面上浏览文件的DOM对象的id属性
container: 'uploadContent',//包含browse_button的div
url: '/uploadAction!localUpload.action',//接收文件上传的action
flash_swf_url : '/folder/js/plupload/Moxie.swf',
silverlight_xap_url : '/folder/js/plupload/Moxie.xap',
filters : {"Image files", extensions : "jpg,gif,png"}
]
},
init: {
PostInit: function() {
$('#uploadfileQueue').html('');
},
UploadFile : function(up,file){//BeforeUpload后触发
},
BeforeUpload : function(up,file){//点击按钮后上传前触发，此处可以做查询同名文件，检查剩余空间等操作
//检查是否有重名文件，有则直接在文件名末尾加个括号和数字以示区分
$.ajax({
url:"/folder/personal/personalAction!getNewFileName.action",
type:"POST",
async:false,
data:{'upFileName' : file.name, 'globalPid' : globalPid},
dataType:"json",
success:function(data){
//上传前设置参数
up.setOption('multipart_params', {
upFileName : data.newFileName, 
upFileType : file.name.split(".")[file.name.split(".").length - 1],//后缀
upFileSize : file.size,
parentId : globalPid
});
},
error:function(XMLHttpRequest, textStatus, errorThrown){
messageAlert("对不起，文件["+file.name+"]上传准备失败",'');
// $('#uploadify').uploadify('cancel',file.id);//按id取消某个上传任务
}
});
},
"' + file.id + '" class="uploadify-queue-item"><div class="cancel"><a href="javascript:_plupload_removeFile('+i+','+file.id+')"></a></div><span class="fileName">' + file.name + 
' (' + plupload.formatSize(file.size) + ')</span><b></b><div class="uploadify-progress"><div class="uploadify-progress-bar"></div></div></div>');
i ++;
});
},
UploadProgress: function(up, file) {//点击开始上传后触发，此处可以添加进度条，利用file.percent
document.getElementById(file.id).getElementsByTagName('b')[0].innerHTML = '<span>-' + file.percent + "%</span>";//百分比
$('#' + file.id).find('.uploadify-progress-bar').css('width', file.percent + '%');//进度条
},
Error: function(up, err) {//出错触发
document.getElementById('console').innerHTML += "\n错误 #" + err.code + ": " + err.message;
},
FileUploaded: function(up, file, info) {//一个文件上传完触发
// Fires when a file is successfully uploaded.
data = eval( "(" + info.response + ")" );//服务器返回的数据,此处可以修改页面上的文件列表等
},
UploadComplete: function(up, files){//所有文件上传完触发
//Fires when all files in a queue are uploaded.
}
}
});
uploader.init();
globalUploader = uploader;
}
function popUpDialog(){
artDialog({
id: 'file-upload',
title: '文件上传',
fixed: true,
lock: true,
content: $("#uploadContent")[0],
button:[{
name: '开始上传',
focus:true,
callback: function(){
globalUploader.start();
return false;
}
},{
name: '关闭',
callback: function(){
$('#uploadfileQueue').html('');//删掉上传队列的内容
globalUploader.files.splice(0,globalUploader.files.length);//清除上传队列中的内容
return true;
}
}],
close: function(){
$('#uploadfileQueue').html('');//删掉上传队列的内容
globalUploader.files.splice(0,globalUploader.files.length);//清除上传队列中的内容
}
});
}
$(function(){
$('#uploadBtn').click(function(){
popUpDialog();
});
_plupload();
});

<style type="text/css">
#uploadfileQueue {
position: relative;
left: 0;
top: 0;
border: 1px solid #a7c5e2;
margin-bottom: 5px;
height: 228px;
width: 350px;
overflow-x: hidden;
overflow-y: auto;
}
.uploadify-queue-item {
/* background-color: #F5F5F5; */
background-color: #FFF;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
font: 11px Verdana, Geneva, sans-serif;
/* margin-top: 5px; */
margin: 5px 5px 5px 5px;
max-width: 350px;
padding: 10px;
}
.uploadify-progress {
background-color: #E5E5E5;
margin-top: 10px;
width: 100%;
}
.uploadify-progress-bar {
background-color: #0099FF;
height: 3px;
width: 1px;
}
</style>

.uploadify-queue-item .cancel a {
background: url('js/uploadify-cancel.png') 0 0 no-repeat;
float: right;
height: 16px;
text-indent: -9999px;
width: 16px;
}

function _plupload_removeFile(removeNum,fileId){
globalUploader.files.splice(removeNum,1);//删除部分文件
$(fileId).fadeOut();
}