摘要：
VarxhrOnProgress=function（func）｛xhrOnprogres.onprogress=func；//绑定侦听//使用闭包实现侦听并绑定returnfunction（）｛//通过$.ajaxSettings.xhr（）获取XMLHttpRequest对象varxhr=$.ajaxSettings.xhr
var xhrOnProgress=function(fun) { xhrOnProgress.onprogress = fun; //绑定监听 //使用闭包实现监听绑 return function() { //通过$.ajaxSettings.xhr();获得XMLHttpRequest对象 var xhr = $.ajaxSettings.xhr(); //判断监听函数是否为函数 if (typeof xhrOnProgress.onprogress !== 'function') return xhr; //如果有监听函数并且xhr对象支持绑定时就把监听函数绑定上去 if (xhrOnProgress.onprogress && xhr.upload) { xhr.upload.onprogress = xhrOnProgress.onprogress; } return xhr; } } //文件上传 快速 function newFileUpload(_this){ var fd = new FormData(); fd.append("paragram", 12345); //上传的参数名 参数值 k-v键值对 fd.append("upfile", $("#upfile").get(0).files[0]);//上传的文件file ajaxRe =$.ajax({ url: "${ctx}/platform/system/sysFile/fileUpload.ht", type: "POST", processData: false, contentType: false, data: fd, success: function(data) { $("#loading_upload").hide(20); var fileId=JSON.parse(data).fileId; var fileName=JSON.parse(data).fileName; $("#fileList_upload").html($("#fileList_upload").html()+'<div style="font-size:15px;height:28px;line-height:28px"><span fileid="'+fileId+'" name="attach" file="'+fileId+','+fileName+'" res="oa" filename="'+fileName+'">'+fileName+'</span> <img onclick="AttachMent.download(this);" src="http://t.zoukankan.com/oa/styles/common/img/enclosure/download.png"> <img onclick="AttachMent.view(this);" src="http://t.zoukankan.com/oa/styles/common/img/enclosure/preview.png"> <img onclick="mailDelFile('+fileId+',this);" src="http://t.zoukankan.com/oa/styles/common/img/enclosure/delete.png"></div>') var obj={}; obj.id=fileId obj.name=fileName uploadArr.push(obj); $("#filelist").html(JSON.stringify(uploadArr)); $("#upfile").val("") }, xhr:xhrOnProgress(function(e){ var percent=e.loaded / e.total * 100;//计算百分比 $("#progess").html(percent.toFixed(2)); }), beforeSend: function(){ $("#loading_upload").show(20); }, }) } function canceled_upload(){ ajaxRe.abort() $("#upfile").val("") $("#loading_upload").hide(20); }