Your task is to design the basic function of Excel and implement the function of sum formula. Specifically, you need to implement the following functions: Excel(int H, char W): This is the constructor. The inputs represents the height and width of th
批量将CSV导入access alt+f11 打开access的vbe环境 Sub test() Dim SQL As String Dim MyPath As String Dim MyPathDb As String Dim MyFile As String MyPath = "D:\temp\*.CSV" MyPathDb = "D:\temp" MyFile = Dir(MyPath) Do SQL = "insert into 110 selec
一.检验函数 =IF(LEN(A1)=18,MID("10X98765432",MOD(SUMPRODUCT(MID(A1,ROW(INDIRECT("1:17")),1)*2^(18-ROW(INDIRECT("1:17")))),11)+1,1)=RIGHT(A1))----18位校验 二.防止粘贴导致校验失效的函数 Private Sub Worksheet_Change(ByVal Target As Range) Dim rng As