- ie8不支持FormData，且ie8获取不到 file属性（ie8浏览器的安全性能）
1 ajaxFileUpload() ====> 谷歌浏览器正常，ie8 不行
js文件
jQuery.extend({
createUploadIframe: function(id, uri) {
//create frame
var frameId = 'jUploadFrame' + id;
if(window.ActiveXObject) { //修改以后的代码
var io = document.createElement('<iframe id="' + frameId + '" name="' + frameId + '" />');
if(typeof uri== 'boolean'){
io.src = 'javascript:false';
} else if(typeof uri== 'string'){
io.src = uri;
}
} //修改以后的代码
else {
var io = document.createElement('iframe');
io.id = frameId;
io.name = frameId;
}
io.style.position = 'absolute';
io.style.top = '-1000px';
io.style.left = '-1000px';
document.body.appendChild(io);
return io
},
createUploadForm: function(id, fileElementId) {
//create form
var formId = 'jUploadForm' + id;
var fileId = 'jUploadFile' + id;
var form = $('<form action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
var oldElement = $('#' + fileElementId);
var newElement = $(oldElement).clone();
$(oldElement).attr('id', fileId);
$(oldElement).before(newElement);
$(oldElement).appendTo(form);
//set attributes
$(form).css('position', 'absolute');
$(form).css('top', '-1200px');
$(form).css('left', '-1200px');
$(form).appendTo('body');
return form;
},
addOtherRequestsToForm: function(form,data) {
// add extra parameter
var originalElement = $('<input type="hidden" name="" value="">');
for (var key in data) {
name = key;
value = data[key];
var cloneElement = originalElement.clone();
cloneElement.attr({'name':name,'value':value});
$(cloneElement).appendTo(form);
}
return form;
},
handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) {
s.error.call( s.context || s, xhr, status, e );
}
// Fire the global callback
if ( s.global ) {
(s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
}
},
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);
if ( s.data ) form = jQuery.addOtherRequestsToForm(form,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", [xml, s] );
} else
jQuery.handleError(s, xml, status);
} catch(e) {
status = "error";
jQuery.handleError(s, xml, status, e);
}
// The request was completed
if( s.global )
jQuery.event.trigger( "ajaxComplete", [xml, 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 {
$(io).remove();
$(form).remove();
} catch(e) {
jQuery.handleError(s, xml, null, 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 io = $('#' + frameId);
var form = $('#' + formId);
$(form).attr('action', s.url);
$(form).attr('method', 'POST');
$(form).attr('target', frameId);
if(form.encoding) {
form.encoding = 'multipart/form-data';
} else {
form.enctype = 'multipart/form-data';
}
$(form).submit();
} catch(e) {
jQuery.handleError(s, xml, null, e);
}
if(window.attachEvent){
document.getElementById(frameId).attachEvent('onload', uploadCallback);
} else{
document.getElementById(frameId).addEventListener('load', uploadCallback, false);
}
return {abort: function () {}};
},
uploadHttpData: function( r, type ) {
var data = !type;
data = type == "xml" || data ? r.responseXML : r.responseText;
// If the type is "script", eval it in global context
if ( type == "script" )
jQuery.globalEval( data );
// Get the JavaScript object, if JSON is used.
if ( type == "json" )
{
// If you add mimetype in your response,
// you have to delete the '<pre></pre>' tag.
// The pre tag in Chrome has attribute, so have to use regex to remove
var data = r.responseText;
var rx = new RegExp("<pre.*?>(.*?)</pre>","i");
var am = rx.exec(data);
//this is the desired data extracted
var data = (am) ? am[1] : ""; //the only submatch or empty
eval( "data = " + data );
}
// evaluate scripts within html
if ( type == "html" )
jQuery("<div>").html(data).evalScripts();
//alert($('param', data).each(function(){alert($(this).attr('value'));}));
return data;
}
})
html
<input type="file" accept=".zip,application/zip,application/x-zip-compressed" id="uploadButton" name="file" style="display: none;"/>
js
$.ajaxFileUpload({
url: href + url,
secureuri: false,
fileElementId: 'uploadButton',
dataType: 'json',
data: { },
type: 'POST',
success: function(res){
//
},
fail: function (err) {
//
}
})
2 ajaxSubmit
html
<button class="btn btn-primary" type="button" id="uploadPic">上传照片</button>
<form id="fileLoad" name="fileLoad" method="POST">
<input type="file" accept=".zip,application/zip,application/x-zip-compressed" id="uploadButton" name="file" style="display: none;"/>
<input type="text" name="operatorName" id="operatorName" style="display: none;">
<input type="text" name="operatorId" id="operatorId" style="display: none;">
</form>
js
$('#fileLoad').ajaxSubmit({
type:"post",
url: href + url,
data: {
operatorName: 'test334',
operatorId: '440939199809090029',
},
// data: $('#fileLoad').serialize(),
dataType:'json',
contentType: 'multipart/form-data',
error:function(err){
//
},
success:function(res){
//
}
})