function exportExcel() {        var merchantName = $('#merchantName').val();        var merchantNo = $('#merchantNo').val();        var orderNo = $('#orderNo').val();        var phone = $('#phone').val();        var orderStatus = $('#orderStatusCombobox').combobox('getValue');        var paidStatus = $('#hasPaidCombobox').combobox('getValue');        var refundStatus = $('#hasRefundCombobox').combobox('getValue');        var firstDealStatus = $('#firstDealCombobox').datebox('getValue');        var createDateFrom = $('#createDateFrom').datebox('getValue');        var createDateTo = $('#createDateTo').datebox('getValue');        var opts = $('#orderDetailGrid').datagrid('options');        var params = {            merchantName: merchantName,            merchantNo: merchantNo,            orderNo: orderNo,            phone: phone,            orderStatus: orderStatus,            paidStatus: paidStatus,            refundStatus: refundStatus,            firstDealStatus: firstDealStatus,            createDateFrom: createDateFrom,            createDateTo: createDateTo,            page: opts.pageNumber,            rows: opts.pageSize        };        $("body").append("
     
");        $("body").find("form").attr("action", '/yami/backend/order.exportOrderDetails.do');        $("body").find("form").attr("method", "post");        $("body").find("form").attr("style", "display:none");        $.each(params, function (k, v) {            $("body").find("form").append("");        });        $("body").find("form").submit();    }