ext 多文件上传控件 Ext.ux.UploadDialog 使用中的问题

Ext.ux.UploadDialog 像ext一样展现给用户震撼的界面：

如图：上传之前

 

上传过程中：

 

强悍吧。怎样使用呢。？

自己去搜索 Ext.ux.UploadDialog.包下载

使用是出来导入必要的ext包还需要

<link rel="stylesheet"  href="Ext.ux.UploadDialog/UploadDialog/css/Ext.ux.UploadDialog.css" />
    <script type="text/javascript" src="Ext.ux.UploadDialog/Ext.ux.UploadDialog.packed.js"></script>

使用很简单 弄个onclick事件 核心代码如下

function insertImages()
{
    dialog = new Ext.ux.UploadDialog.Dialog({
          title: '文件上传__上传过程中关闭窗口，不影响上传_wayfoon', 
          url:wayfoon.MMS.DataPage +'/xxx.action?action=xxx', 
       
          width : 450,
          height : 300,
          minWidth : 450,
          minHeight : 300,
          draggable : true,
          resizable : true,
          //autoCreate: true,   
          constraintoviewport: true, 
          permitted_extensions:['JPG','jpg','jpeg','JPEG','GIF','gif','bmp','BMP'],   
          modal: true,
          //post_var_name: 'mms',
          reset_on_hide: false, 
          allow_close_on_upload: true,   //关闭上传窗口是否仍然上传文件
          upload_autostart: false   //是否自动上传文件
    });
        
    dialog.show();//'show-button'
    dialog.on('uploadsuccess', onUploadSuccess);

}
提交时，默认提交的文件名是file 你可以修改 post_var_name: 'myfile',

dialog 有很多事件，如下英文。例子中使用了uploadsuccess事件

filetest - fires before file is added into the queue, parameters:
dialog - reference to dialog
filename - file name
If handler returns false then file will not be queued.
fileadd - fires when file is added into the queue, parameters:
dialog - reference to dialog
filename - file name
fileremove - fires when file is removed from the queue, parameters:
dialog - reference to dialog
filename - file name
record - file record
resetqueue - fires when upload queue is resetted, parameters:
dialog - reference to dialog
beforefileuploadstart - fires when file as about to start uploading:
dialog - reference to dialog
filename - uploaded file name
record - file record
If handler returns false then file upload will be canceled.
fileuploadstart - fires when file has started uploading:
dialog - reference to dialog
filename - uploaded file name
record - file record
uploadsuccess - fires when file is successfuly uploaded, parameters:
dialog - reference to dialog
filename - uploaded file name
data - js-object builded from json-data returned from upload handler response.
record - file record
uploaderror - fires when file upload error occured, parameters:
dialog - reference to dialog
filename - uploaded file name
data - js-object builded from json-data returned from upload handler response.
record - file record
uploadfailed - fires when file upload failed, parameters:
dialog - reference to dialog
filename - failed file name
record - file record
uploadcanceled - fires when file upload canceled, parameters:
dialog - reference to dialog
filename - failed file name
record - file record
uploadstart - fires when upload process starts, parameters:
dialog - reference to dialog
uploadstop - fires when upload process stops, parameters:
dialog - reference to dialog
uploadcomplete - fires when upload process complete (no files to upload left), parameters:
dialog - reference to dialog
注意该多文件上传，每次其实只上传了一个文件，多个文件是分多次上传的。

看到了有很多后台代码采用了多文件 循环读取，只是没有必要的，我们只要当一个文件处理就可以了。

网上很多例子，也只能称为例子，离应用还有点距离，应用的时候，还需要灵活点

比如我们需要传入自己的参数，网上很难找到，其实我们可以在事件中来改变 提交的参数，

采用属性 base_params:{ hehe: "wayfoon" } 来实现,

function onUploadSuccess(dialog, filename, resp_data, record)

 {

你可以改变dialog的某些值

    resp_data 是返回的json数据

}