一个实现任意改变计数器位数的函数
类别: ASP教程
\'下面的函数将实现任意改变计数器位数,你要做的准备工作是:
\'1、999_count.txt建立一个文本文件,并把初始值设为0。
\'2、准备一组数字图片放在gif目录下
Function GCounter(CounterLen)\'CounterLen是计数器的位数
CountFile=Server.MapPath("999_count.txt")
Set FileObject=Server.CreateObject("Scripting.FileSystemObject")
Set Out=FileObject.OpenTextFile(CountFile,1,FALSE,FALSE)
counter=Out.ReadLine\'读取\'999_count.txt里面的计数值
Out.Close
Set FileObject=Server.CreateObject("Scripting.FileSystemObject")
Set Out=FileObject.CreateTextFile(CountFile,TRUE,FALSE)
Application.lock
counter=counter+1\'累计加1
Out.WriteLine(counter)
Application.unlock
Out.Close
Dim S, i, G ,n
S = CStr( counter )
if Len(s)<CounterLen then
For n = 1 to CounterLen-len(s)
G = G&"<IMG SRC=gif/0.gif>"
Next
End if
For i = 1 to Len(S)
G = G & "<IMG SRC=gif/" & Mid(S, i, 1) & ".gif>"
Next
response.write G
End Function
\'1、999_count.txt建立一个文本文件,并把初始值设为0。
\'2、准备一组数字图片放在gif目录下
Function GCounter(CounterLen)\'CounterLen是计数器的位数
CountFile=Server.MapPath("999_count.txt")
Set FileObject=Server.CreateObject("Scripting.FileSystemObject")
Set Out=FileObject.OpenTextFile(CountFile,1,FALSE,FALSE)
counter=Out.ReadLine\'读取\'999_count.txt里面的计数值
Out.Close
Set FileObject=Server.CreateObject("Scripting.FileSystemObject")
Set Out=FileObject.CreateTextFile(CountFile,TRUE,FALSE)
Application.lock
counter=counter+1\'累计加1
Out.WriteLine(counter)
Application.unlock
Out.Close
Dim S, i, G ,n
S = CStr( counter )
if Len(s)<CounterLen then
For n = 1 to CounterLen-len(s)
G = G&"<IMG SRC=gif/0.gif>"
Next
End if
For i = 1 to Len(S)
G = G & "<IMG SRC=gif/" & Mid(S, i, 1) & ".gif>"
Next
response.write G
End Function
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