<a href="javascript:void(0)"我就想问这里怎么取到选中项的ID
data-toggle="topjui-menubutton"
data-options="method:'upload',
extend:'#productDg-toolbar',
iconCls:'fa fa-cloud-upload',
btnCls:'topjui-btn-green',
accept:'file',
dialog:{
title:'附件批量上传'
},
uploadUrl:_ctx + '/json/response/upload.json'">批量上传</a>