vb记录

字符串操作API

API名字	用法	功能
mid	(字符串，从第几个开始，长度)

循环语句

Dim arr(100) As Integer
Dim i As Integer, s As Integer
i = 0
s = 0
For i = 1 To 100 Step 1
s = i + s
arr(i) = s
Next i
Print arr(56)