select case与if...then...else if的区别
推荐回答(1个)
if.........elseif..........end if 多次嵌套后代码显得混乱.
select case 表达式是必要参数。可以是任何数值表达式或字符串表达式。
select case 表达式
case 值1 ,这个值是程序员尽可能的把会出现的值写出来并进行判断.
select case 值1
case 值2
case else
这里写没有考虑到的情况的代码
end select 这个 end select 就是内嵌套的select case 值1
case else
这里写没有考虑到的情况的代码
end select
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