使用mini-webuploader 上传文件的组件，几个状态函数
onbeforefilequeued 文件上传前 ， onfilesqueued 文件上传时， onfilesuccess 上传成功， onuploadfinished上传结束，onuploadaccept上传成功
<div id="uploader" class="mini-webuploader"
action="bdpingfen_framenewaction.getFileUploadModel('GRPSB')"
fileNumLimit="1" fileSingleSizeLimit="512000"
mimeTypes="application/vnd.ms-excel,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
auto="true" pickerText="导入评审表"
onbeforefilequeued="beforefilequeued"
onfilesqueued="onFilesQueued" onfilesuccess="onFileSuccess"
onuploadfinished="uploadfinished"
>
</div>但是onuploadaccept ，onfilesuccess 同时存在只执行onuploadaccept