jQuery.extend( {
	handleError : function(s,xhr,status,e) {
		if (s.error)
			s.error(xhr,e);
		else if (xhr.responseText)
			console.log(xhr.responseText);
	}
});
jQuery
		.extend( {
            //创建上传的Frame
			createUploadIframe : function(id,uri) {
				// create frame
			var frameId = 'jUploadFrame' + id;
			var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId
					+ '" style="position:absolute; top:-9999px; left:-9999px"';
			if (window.ActiveXObject) {
				if (typeof uri == 'boolean') {
					iframeHtml += ' src="' + 'javascript:false' + '"';

				} else if (typeof uri == 'string') {
					iframeHtml += ' src="' + uri + '"';

				}
			}
			iframeHtml += ' />';
			jQuery(iframeHtml).appendTo(document.body);

			return jQuery('#' + frameId).get(0);
		},//动态创建上传Form
		createUploadForm : function(id,fileElementId,data) {
			// create form
			var formId = 'jUploadForm' + id;
			var fileId = 'jUploadFile' + id;
			var form = jQuery('<form  action="" method="POST" name="' + formId
					+ '" id="' + formId
					+ '" enctype="multipart/form-data"></form>');
			if (data) {
				for ( var i in data) {
					jQuery(
							'<input type="hidden" name="' + i + '" value="'
									+ data[i] + '" />').appendTo(form);
				}
			}
			//单个文件上传
			/*var oldElement = jQuery('#' + fileElementId);
			var newElement = jQuery(oldElement).clone();
			jQuery(oldElement).attr('id',fileId);
			jQuery(oldElement).before(newElement);
			jQuery(oldElement).appendTo(form);*/

			//多文件上传
		    for(var i in fileElementId){  
		        var oldElement = jQuery('#' + fileElementId[i]);  
		        var newElement = jQuery(oldElement).clone();  
		        jQuery(oldElement).attr('id',fileId);  
		        jQuery(oldElement).before(newElement);  
		        jQuery(oldElement).appendTo(form);  
		    }  
		    //end
		    
			// set attributes
			jQuery(form).css('position','absolute');
			jQuery(form).css('top','-1200px');
			jQuery(form).css('left','-1200px');
			jQuery(form).appendTo('body');
			return form;
		},//上传文件
		ajaxFileUpload : function(s) {
			// TODO introduce global settings,allowing the client to modify
			// them for all requests,not only timeout
			s = jQuery.extend( {},jQuery.ajaxSettings,s);
			var id = new Date().getTime();
			var form = jQuery.createUploadForm(id,s.fileElementId,(typeof (s.data) == 'undefined' ? false : s.data));
			var io = jQuery.createUploadIframe(id,s.secureuri);
			var frameId = 'jUploadFrame' + id;
			var formId = 'jUploadForm' + id;
			// Watch for a new set of requests
			if (s.global && !jQuery.active++) {
				jQuery.event.trigger("ajaxStart");
			}
			var requestDone = false;
			// Create the request object
			var xml = {};
			if (s.global)
				jQuery.event.trigger("ajaxSend",[ xml,s ]);
			// Wait for a response to come back
			var uploadCallback = function(isTimeout) {
				var io = document.getElementById(frameId);
				try {
					if (io.contentWindow) {
						xml.responseText = io.contentWindow.document.body ? io.contentWindow.document.body.innerHTML
								: null;
						xml.responseXML = io.contentWindow.document.XMLDocument ? io.contentWindow.document.XMLDocument
								: io.contentWindow.document;

					} else if (io.contentDocument) {
						xml.responseText = io.contentDocument.document.body ? io.contentDocument.document.body.innerHTML
								: null;
						xml.responseXML = io.contentDocument.document.XMLDocument ? io.contentDocument.document.XMLDocument
								: io.contentDocument.document;
					}
				} catch (e) {
					jQuery.handleError(s,xml,null,e);
				}
				if (xml || isTimeout == "timeout") {
					requestDone = true;
					var status;
					try {
						status = isTimeout != "timeout" ? "success" : "error";
						// Make sure that the request was successful or
						// notmodified
						if (status != "error") {
							// process the data (runs the xml through httpData
							// regardless of callback)
							var data = jQuery.uploadHttpData(xml,s.dataType);
							// If a local callback was specified,fire it and
							// pass it the data
							if (s.success)
								s.success(data,status);

							// Fire the global callback
							if (s.global)
								jQuery.event.trigger("ajaxSuccess",s ]);
						} else
							jQuery.handleError(s,status);
					} catch (e) {
						status = "error";
						jQuery.handleError(s,e);
					}

					// The request was completed
					if (s.global)
						jQuery.event.trigger("ajaxComplete",s ]);

					// Handle the global AJAX counter
					if (s.global && !--jQuery.active)
						jQuery.event.trigger("ajaxStop");

					// Process result
					if (s.complete)
						s.complete(xml,status);

					jQuery(io).unbind();

					setTimeout(function() {
						try {
							jQuery(io).remove();
							jQuery(form).remove();

						} catch (e) {
							jQuery.handleError(s,e);
						}

					},100);

					xml = null;

				}
			}
			// Timeout checker
			if (s.timeout > 0) {
				setTimeout(function() {
					// Check to see if the request is still happening
						if (!requestDone)
							uploadCallback("timeout");
					},s.timeout);
			}
			try {

				var form = jQuery('#' + formId);
				jQuery(form).attr('action',s.url);
				jQuery(form).attr('method','POST');
				jQuery(form).attr('target',frameId);
				if (form.encoding) {
					jQuery(form).attr('encoding','multipart/form-data');
				} else {
					jQuery(form).attr('enctype','multipart/form-data');
				}
				jQuery(form).submit();

			} catch (e) {
				jQuery.handleError(s,e);
			}

			jQuery('#' + frameId).load(uploadCallback);
			return {
				abort : function() {
				}
			};

		},//返回数据格式
		uploadHttpData : function(r,type) {
			var data = !type;
			data = type == "xml" || data ? r.responseXML : r.responseText;
			// If the type is "script",eval it in global context
			if (type == "script")
				jQuery.globalEval(data);
			// Get the JavaScript object,if JSON is used.
			if (type == "json")
				eval("data = " + data);
			// evaluate scripts within html
			if (type == "html")
				jQuery("<div>").html(data).evalScripts();

			return data;
		}
		});

  //HTML页面标签为file类型的ID
var files = ['bizLisnScanFile','credScanFile'];	<strong></strong><pre name="code" class="java" style="display: inline !important; ">var params = serializeObject($('#formcompany'));

$.ajaxFileUpload({
	            url: 'goxxxx',secureuri :false,fileElementId :files,//上传文件ID
	            data: params,//表单值
	            dataType : 'text',error:function(){
					 window.location.href="500";//跳转到500页面
				},success: function (result,status) {}