验证身份证号合法性

验证身份证号是否合法？ Private Sub Command1_Click() Dim a%(17), w(), x$, s$, sum%, i%, y% Do '这个循环用来保证输入的字符串是17位的 s = Text1.Text Loop While Len(s) <> 17 w = Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2) x = "10X98765432" '这个是因为其中有一个字符是X，只能这样 For i = 1 To 17 a(i) = Mid(s, i, 1) sum = sum + a(i) * w(i) Next i y = sum Mod 11 Label1.Caption = "您身份证最后一位是：" & Mid(x, y + 1, 1) End Sub