Question

VB中反向输出

输入4个字母，将其反向输出。例如，输入ABCD，输出DCBA。代码怎么写

Answer 1

MsgBox StrReverse("ABCD")一句代码就搞定了。

Answer 2

private function F( byval Str as string ) as string for i = len(str) to 1 step -1f=f& mid(str,i,1)nextend function

Answer 3

Dim s As String
Dim ss As String
Dim i As Integer

s = "ABCD"
For i = Len(s) To 1 Step -1
ss = ss & Mid(s, i, 1)
Next i

Text1.Text = ss

Answer 4

dim a
dim b
dim i
a=len(text1.text)
for i=a to 1
b=b&mid(text1.text,i,1)
next i