我使用以下插件:http://tutorialzine.com/2013/05/mini-ajax-file-upload-form/
我遇到的问题是我在同一页面上有多个上传实例(例如1-header image 2-footer image)
但只有第一个输入实际工作,另一个没有,我没有得到错误客户端或服务器端..
如果我谷歌尝试寻找替代方案,我会同时获得数百万次“多次上传”,这不是我想要的。
这是页面代码:
<form id='upload' method='post' action='URLtoServerside' enctype='multipart/form-data'>
<div id='drop'>
Drop Here
<a>Browse</a>
<input type='file' name='upl' multiple />
</div>
<input style='visibility:hidden' id='".$var2['id']."' value='page_session_weo' />
<ul style='display:none'>
<!-- The file uploads will be shown here -->
</ul>
</form>
<form id='upload' method='post' action='URLtoServerside' enctype='multipart/form-data'>
<div id='drop'>
Drop Here
<a>Browse</a>
<input type='file' name='upl' multiple />
</div>
<input style='visibility:hidden' id='".$var2['id']."' value='page_session_weo' />
<ul style='display:none'>
<!-- The file uploads will be shown here -->
</ul>
</form>
PHP代码:
$allowed = array('png');
if(isset($_FILES['upl']) && $_FILES['upl']['error'] == 0){
$extension = pathinfo($_FILES['upl']['name'], PATHINFO_EXTENSION);
if(!in_array(strtolower($extension), $allowed)){
echo '{"status":"error"}';
exit;
}
if(move_uploaded_file($_FILES['upl']['tmp_name'], 'images/'.$name.'.png')){
echo '{"status":"success"}';
exit;
}
}
echo '{"status":"error"}';
exit;
有人可以告诉我如何在同一页面上使用多个上传工作,或推荐替代方案。
(我确实要求拖放以及'浏览'功能)
答案 0 :(得分:0)
<input type="button" name="button" value="添加附件" onclick="addInput()">
<span id="upload"></span>
JS
<script type="text/javascript">
var attachname = "attach";
var i=1;
function addInput(){
if(i>0){
var attach = attachname + i ;
if(createInput(attach))
i=i+1;
}
}
function createInput(nm){
var aElement=document.createElement("input");
aElement.name=nm;
aElement.id=nm;
aElement.type="file";
aElement.size="50";
if(document.getElementById("upload").appendChild(aElement) == null)
return false;
return true;
}
答案 1 :(得分:0)
我刚刚遇到这个问题。
我的解决方案:
我使用script2.js或者其他任何东西从miniupload复制script.js. 在那个脚本中,我唯一做的就是将名称从upload更改为upload_files并删除到drop_files。 像这样:
var ul = $('#upload_files ul');
$('#drop_files a').click(function(){
// Simulate a click on the file input button
// to show the file browser dialog
$(this).parent().find('input').click();
});
// Initialize the jQuery File Upload plugin
$('#upload_files').fileupload({
(...)
我的HTML:
<form id="upload" method="post" enctype="multipart/form-data">
<div id="drop" style="text-align:center ;align-content:center">
Add images
<a>Select</a>
<input type="file" name="upl" multiple />
</div>
<ul>
<!-- The img uploads will be shown here -->
</ul>
</form>
<form id="upload_files" method="post" enctype="multipart/form-data">
<div id="drop_files" style="text-align:center ;align-content:center">
Add files
<a>Select</a>
<input type="file" name="upl_file" multiple />
</div>
<ul>
<!-- The file uploads will be shown here -->
</ul>
</form>
然后修改css。 原来的css是这样的:
#upload{
font-family:'PT Sans Narrow', sans-serif;
background-color:#373a3d;
background-image:-webkit-linear-gradient(top, #373a3d, #313437);
background-image:-moz-linear-gradient(top, #373a3d, #313437);
background-image:linear-gradient(top, #373a3d, #313437);
width:250px;
padding:30px;
border-radius:3px;
margin:20px 20px 20px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}
我添加了代码以反映upload_files
#upload_files{
font-family:'PT Sans Narrow', sans-serif;
background-color:#373a3d;
background-image:-webkit-linear-gradient(top, #373a3d, #313437);
background-image:-moz-linear-gradient(top, #373a3d, #313437);
background-image:linear-gradient(top, #373a3d, #313437);
width:250px;
padding:30px;
border-radius:3px;
margin:20px 20px 20px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}
它不是一个“干净”的解决方案,但它有效:)
答案 2 :(得分:0)
我有这个问题很长一段时间,直到我想我会解决它。这就是我的所作所为。
在表单中,我向#upload
和#drop
元素添加了类。我将其重命名为#upload1
,#upload2
和#drop1
,#drop2
<form id="upload1" class="upload" method="post" action="upload.php" enctype="multipart/form-data">
<div id="drop1" class="drop">
...
在JS端(script.js),我将整个东西包装在一个合适的jQuery init中,我在顶部添加了一个jQuery并将整个主区域包装在其中:
(function($){
$('.upload').each(function (_key, _value) {
var $this = $(this);
var ul = $this.find('ul');
$this.find('#drop a').click(function(){
...
});
})(jQuery);
我还将#upload
的所有实例替换为$this
,将#drop
的所有实例替换为$this.find('.drop')
基本上,您要使用类名替换id,并相应地调整脚本,并将它们全部包装在每个循环中。
PS。我还想在我的脚本文件中添加一个完整的回调函数,以便我可以在所有事情之后做一些事情。
complete:function() {
},
如果这对你有用,请告诉我。
更新: 修改代码以动态工作:
(function($){
$(document).ready(function(){
$(document).on('click','.drop a', function(){
var $drop = $(this);
var $this = $drop.closest('.upload');
var ul = $this.find('ul');
$this.parent().find('input').click();
//console.log($this.find('.drop'));
});
window.init_file_upload = function($element) {
// Initialize the jQuery File Upload plugin
$($element).fileupload({
//var $this = $(this);
// This element will accept file drag/drop uploading
dropZone: $element.find('.drop'),
// This function is called when a file is added to the queue;
// either via the browse button, or via drag/drop:
add: function (e, data) {
ul = $element.find('ul');
//console.log('adsf');
$('.ajaxform button.submit').attr('disabled','disabled');
var tpl = $('<li class="working"><input type="text" value="0" data-width="48" data-height="48"'+
' data-fgColor="#0788a5" data-readOnly="1" data-bgColor="#3e4043" /><p></p><span><i class="fa fa-check-circle-o"></i> OK</span></li>');
// Append the file name and file size
tpl.find('p').text(data.files[0].name)
.append('<i>' + formatFileSize(data.files[0].size) + '</i>');
// Add the HTML to the UL element
ul[0].innerHTML = '';
data.context = tpl.appendTo(ul);
// Initialize the knob plugin
tpl.find('input').knob();
// Listen for clicks on the cancel icon
tpl.find('span').click(function(){
if(tpl.hasClass('working')){
jqXHR.abort();
}
tpl.fadeOut(function(){
tpl.remove();
});
});
// Automatically upload the file once it is added to the queue
var jqXHR = data.submit();
},
progress: function(e, data){
// Calculate the completion percentage of the upload
var progress = parseInt(data.loaded / data.total * 100, 10);
// Update the hidden input field and trigger a change
// so that the jQuery knob plugin knows to update the dial
data.context.find('input').val(progress).change();
if(progress == 100){
data.context.removeClass('working');
}
},
complete:function(e, data) {
// console.log(e,data);
var _data = $.parseJSON(e.responseText);
// console.log(_data);
postAjax(_data);
$('.ajaxform button.submit').removeAttr('disabled');
},
fail:function(e, data){
// Something has gone wrong!
data.context.addClass('error');
}
});
}
$('.upload').each(function() {
window.init_file_upload($(this));
});
// Simulate a click on the file input button
// to show the file browser dialog
// Prevent the default action when a file is dropped on the window
$(document).on('drop dragover', function (e) {
e.preventDefault();
});
// Helper function that formats the file sizes
function formatFileSize(bytes) {
if (typeof bytes !== 'number') {
return '';
}
if (bytes >= 1000000000) {
return (bytes / 1000000000).toFixed(2) + ' GB';
}
if (bytes >= 1000000) {
return (bytes / 1000000).toFixed(2) + ' MB';
}
return (bytes / 1000).toFixed(2) + ' KB';
}
});
})(jQuery);