easyui filebox accept 上传类型限制excel xlsx,xls类型

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textbox.filebox({

    buttonText: ‘Choose File‘,

    buttonAlign: ‘right‘,

    accept: ‘application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel‘,

    width : "100%" 

});

原文：http://www.cnblogs.com/blazer/p/6531637.html