ajaxfileUpload.js兼容ie7、8、9、10、11、firefox、chrome等浏览器的js代码

因为项目需要，引入了ajaxfileUpload.js的js插件，从开始用 ，就一直问题多多，我当时是结合springmvc使用的。
如1、使用springmvc的@responseBody返回，不可以，需要改成response.getWrite().write()方法。解决ie下返回的是json文件的问题。
如2、返回的结果需要eval（）处理等。
如3、缺少错误函数的处理等。
如4、在同一页面上传多次，会出现遮罩层重叠，弹出框弹出多次的问题。【需要在代码中做一个计数器。】
如5、handleError方法写的不规范等问题，引起前台总报js错误。
等等，使用了这个js插件，有种被坑的感觉，一直在解决各种问题。
目前这个js插件已经解决以上所有问题，网上提供的这个插件都或多或少缺少一些功能。
自己痛苦了这么多，希望对使用此控件的人有用，减少一些查找和解决错误的时间。
附上代码：

// JavaScript Document
jQuery.extend({

 createUploadIframe: function(id, uri)
 {
 //create frame
 var frameId = 'jUploadFrame' + id;
 
 if(window.ActiveXObject) //var io = document.createElement('<iframe id="' + frameId + '" name="' + frameId + '" />');
 (jQuery.browser.version=="9.0" || jQuery"10.0"){ 
 var io = document.createElement('iframe'); 
 io.id = frameId; 
 io.name ; 
 }else "6.0" "7.0" "8.0"'<iframe id="' + frameId + '" name="' '" />'); 
 (typeof uri== 'boolean'){
 io.src 'javascript:false';
 }
 'string'= uri}
 else {
 );
 io;
 io}
 io.style.position 'absolute'.top '-1000px'.left ;

 document.body.appendChild(io);

 return io},
 createUploadForm fileElementId data//create form 
 var formId 'jUploadForm' ;
 var fileId 'jUploadFile' var form = jQuery'<form action="" method="POST" name="' + formId '" id="' '" enctype="multipart/form-data"></form>'var oldElement '#' + fileElementId);
 var newElement (oldElement).clone();
 jQuery).attr'id' fileId);
 jQuery).before(newElement).appendTo(form);
 
 //add data
 (data{ 
 for var i in data{ 
 $'<input type="hidden" name="' + i '" value="' + data[i] ); 
 } 
 }
 //set attributes
 jQuery).css'position' 'top''-1200px''left''body'return form ajaxFileUpload(s// TODO introduce global settings,allowing the client to modify them for all requests,not only timeout 
 s ({}, jQuery.ajaxSettings svar id = s.id; 
 //var id = s.fileElementId; 
 .createUploadForm.fileElementIds.data.createUploadIframe.secureuri; 
 
 ( s.global && ! jQuery.active++ ){
 // Watch for a new set of requests
 jQueryevent.trigger( "ajaxStart" );
 } 
 var requestDone = false;
 // Create the request object
 var xml = {}; 
 ){
 jQuery"ajaxSend" [xml]);
 } 
 
 var uploadCallback (isTimeout){ 
 // Wait for a response to come back 
 .getElementById(frameIdtry.contentWindow){
 xml.responseText = io.document?io.innerHTML:null;
 xml.responseXML XMLDocument:io.contentDocumentcatch(e.handleError xml  e( xml || isTimeout "timeout"){ 
 requestDone truevar statustry {
 status = isTimeout != "timeout" ? "success" : "error"// Make sure that the request was successful or notmodified
 ( status "error" // process the data (runs the xml through httpData regardless of callback)
 var data .uploadHttpData( xml.dataType .success // ifa local callback was specified,fire it and pass it the data
 s.success( data status }; 
 // Fire the global callback
 jQuery"ajaxSuccess"}; 
 } else{
 jQuery status}
 
 ){
 status ;
 jQuery// The request was completed
 jQuery"ajaxComplete"};

 // Handle the global AJAX counter
 ! --jQuery"ajaxStop"};
 .complete){
 s(xml}; 

 jQuery).unbind();
 setTimeout(){
 ).remove(); 
 }}, 100);
 xml };
 // Timeout checker
 .timeout > 0 ){
 setTimeout(){(!requestDone ){uploadCallback);}},0)">.timeout+ formId'action'.url'method''POST''target' frameId.encoding){
 form.encoding 'multipart/form-data'{ 
 form.enctype } 
 jQuery).submit();

 ){ 
 jQuery/*if(window.attachEvent){
 document.getElementById(frameId).attachEvent('onload',uploadCallback);
 }
 else{
 document.getElementById(frameId).addEventListener('load',uploadCallback,false);
 } */
 jQuery+ frameId).load(uploadCallbackreturn {abortfunction () {}}; 

  uploadHttpData( r type !type;
 data = type "xml" || data ? r: r.responseText// ifthe type is "script",eval it in global context
 ( type "script" .globalEval( data }
 
 // Get the JavaScript object,ifJSON is used.
 "json" ){
 data = r; 
 var start = data.indexOf">"(start != -1var end "<" start + { 
 data .substringendeval"data = " // evaluate scripts within html
 "html" "<div>").html).evalScripts();
 }
 
 return data /*handleError: function( s,xml,status,e ) {
 // If a local callback was specified,fire it
 if ( s.error )
 s.error( xml,e );

 // Fire the global callback
 if ( s.global )
 jQuery.event.trigger( "ajaxError",[xml,s,e] );
 }*/
 handleError xhr e // If a local callback was specified,fire it
 if .error {
 s.error.call.context || s// Fire the global callback
 {
 ? jQuery.context: jQuery).trigger"ajaxError"[xhr}
});