1. Number(splitJoin($F("endMoney"),",",""))
2. Num.formatNum(Number(checkDigit("${bankCreditSum}")).toFixed(2),0)
3. isNaN(endAmount)
4. isNumber 是否是数字
5.var nums = mygrid.getRowsNum();
if(nums == null || nums == "") {
alert("没有数据,不能导出!");
return;
}