text: (function($){
  	var dft={
  		url:null,//上传路径
  		swf:"./Uploader.swf",//flash位置，建议不要随便更改
  		multiple:false,//是否开启选择多张图片的能力
  		queue:true,//是否显示进度条
  		duplicate :true,//是否可以重复上传,true可以重复上传，false不可以重复上传
  		queueID:"progress"+new Date().getTime(),//进度条ID
  		fileSizeLimit:5*1024*1024 //默认验证图片大小为5M
  	};
  		
  	$.fn.uploader=function(options,callback){
  		var opts=$.extend(dft,options);
  		webUploader($(this)[0], opts, function(data){
  			callback(data);
  		});
  	}
  })(jQuery);
  
  function webUploader(pick,opts,callback){
  	var uploader = WebUploader.create({
  		auto: true,
  	    swf: opts.swf,
  	    server: opts.url,
  	    pick:{
  	    	id:pick,
  	    	multiple:opts.multiple
  	    },
  	    duplicate :opts.duplicate,
  	    fileSizeLimit:opts.fileSizeLimit,
  	    accept: {
  	        title: 'Images',
  	        extensions: 'gif,jpg,jpeg,bmp,png',
  	        mimeTypes: 'image/jpg,image/jpeg,image/png'
  	    }
  	});
  	
  	uploader.on('uploadSuccess',function(file,data) {
  	    callback(data);
  	});
  
  	uploader.on('uploadError', function( file ) {
  		$(document.getElementById(opts.queueID)).remove();
  		layeralert("上传失败");
  	});
  	
  	/**
  	* 验证文件格式以及文件大小
  	*/
  	uploader.on("error", function (type) {
  	    if (type == "Q_TYPE_DENIED") {
  	        layeralert("请上传JPG、PNG、GIF、BMP格式文件");
  	    } else if (type == "Q_EXCEED_SIZE_LIMIT") {
  	        layeralert("文件大小不能超过"+(Number(opts.fileSizeLimit)/1024/1024)+"M");
  	    }else {
              layeralert("上传出错！请检查后重新上传！错误代码"+type);
  	    }
  	});
  	
  	if(opts.queue==true){
  		uploader.on( 'uploadProgress', function(file, percentage ){
  		    if(!document.getElementById(opts.queueID)){
  		    	var h="<div class=\"progress\" id=\""+opts.queueID+"\">"
  		    		 +"<div class=\"progress-bar\" role=\"progressbar\"></div>"
  		    		 +"</div>"
  		    	$("#filePicker").append(h);
  		    }
  		    $("#"+opts.queueID+" .progress-bar").css('width', percentage * 100 + '%' );
  		});
  
  		uploader.on( 'uploadComplete', function( file ) {
  		    $(document.getElementById(opts.queueID)).remove();
  		});
  	}
  }
  