求个字符处理的函数

[KEIGOliye]

函数String_Code(Number)
处理字符串User_Str="ABC,DEF,GHI"

当Number=1时函数返回"ABC"
当Number=2时函数返回"DEF"
当Number=3时函数返回"GHI"

[若白师妹]

User_Str="ABC,DEF,GHI"
tmp=split(User_Str,",")
number=1
response.write number & tmp(number-1)

[芝城游侠]

function String_Code(Number)
User_Str="ABC,DEF,GHI"
User_Str=split(User_Str,",")
String_Code = User_Str(Number-1)
end function

[tianjy]

唉,这问题……！!@#$^&*%@$