摘要: https://www.cnblogs.com/MrFlySand/p/15693770.html undefined表示空值 function isUndefined(){ if(Sheets.Item("Sheet1").Range("A1").Value2==undefined){ Sheet 阅读全文
posted @ 2023-03-07 17:28 MrFlySand-飞沙 阅读(341) 评论(0) 推荐(0)