Ext.ux.UploadDialog.Dialog 实现了多文件的上传，不过需要注意的是，该组件并不是一次性把多个文件传到后台，而是添加一个文件就会把这个文件上传上去，其实还是一次上传了一个文件
例子：
<html>
<head>
<title>Anchoring</title>
<link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" target="_blank" rel="external nofollow" />
<script type="text/javascript" src="../../adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../../ext-all.js"></script>
<link rel="stylesheet" type="text/css" href="UploadDialog/css/Ext.ux.UploadDialog.css" target="_blank" rel="external nofollow" />
<script type="text/javascript" src="UploadDialog/Ext.ux.UploadDialog.js"></script>
<script type="text/javascript" src="UploadDialog/locale/ru.utf-8_CN.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
dialog = new Ext.ux.UploadDialog.Dialog({
url: 'upload-dialog-request.php',
reset_on_hide: false,
permitted_extensions:[ 'JPG' , 'jpg' , 'jpeg' , 'JPEG' , 'GIF' , 'gif' , 'png' , 'PNG' ],
allow_close_on_upload: true,
upload_autostart: true
});
dialog.show(); //'show-button'
dialog.on( 'uploadsuccess' , onUploadSuccess); //定义上传成功回调函数
dialog.on( 'uploadfailed' , onUploadFailed); //定义上传失败回调函数
dialog.on( 'uploaderror' , onUploadFailed); //定义上传出错回调函数
dialog.on( 'uploadcomplete' , onUploadComplete); //定义上传完成回调函数
//文件上传成功后的回调函数
function onUploadSuccess(dialog, filename, resp_data, record){
alert(resp_data.data);//resp_data是json格式的数据
}
//文件上传失败后的回调函数
function onUploadFailed(dialog, filename, resp_data, record){
alert(resp_data.data);
}
//文件上传完成后的回调函数
function onUploadComplete(dialog){
alert('所有文件上传完成');
// dialog.hide();
}
});
</script>
</head>
<body>
</body>
</html>
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