求大佬帮我看看这个编程有什么错吗（vb

更新时间2018-08-16 23:04:59

Private Sub Command1_Click()

Dim a As Integer, b As Integer

For a = 1 To 7

Print Tab(10 - a);

For b = 1 To 2 * i - 1

Print " * ";

Next b

Next a

End Sub

程序语法没错,只是你的

For b = 1 To 2 * i - 1

应该是

For b = 1 To 2 * a- 1 '你的i没有定义

另外

Print " * ";

两端的空格要删除

结果