<%
Function getLength(txt)
txt=trim(txt)
x = len(txt)
y = 0
for ii = 1 to x
   if asc(mid(txt,ii,1))<0 or asc(mid(txt,ii,1))>255 then
     y = y + 2
   else
     y = y + 1
   end if
next
getLength= y
End Function

'"************* 截取字符串 **************
Function getString(txt,length)
txt=trim(txt)
x = len(txt)
y = 0
if x >= 1 then
for ii = 1 to x
if asc(mid(txt,ii,1)) < 0 or asc(mid(txt,ii,1)) >255 then
    y = y + 2
else
    y = y + 1
end if
   if y >= length then
      txt = left(trim(txt),ii) '"字符串限长
   exit for
end if
next
    getString= txt
else
    getString= ""
end if
End Function
%>
<%=getLength("好好学习,天天可以向上吗?")%>