高校问答诛仙手游魑魅魍魉:VB编程问题
来源：百度文库 编辑：高校问答 时间：2024/07/08 07:12:11
统计字符窜a中出现字符窜b的次数，然后输出。
Private Sub Form_Click()
a$ = "ABCDEHGABCDEFABCDEABCDABCABA"
b$ = "AB"
c = InStr(a$, b$)
x = 0
While e <> 0
x = x + 1
a$=mid$(a$,__!___+2)
c = InStr(a$, b$)
when ___!___
End Sub
Private Sub Form_Click()
a$ = "ABCDEHGABCDEFABCDEABCDABCABA"
b$ = "AB"
c = InStr(a$, b$)
x = 0
While e <> 0
x = x + 1
a$=mid$(a$,__!___+2)
c = InStr(a$, b$)
when ___!___
End Sub
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