测字符串长度函数
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asp | 发表日期:2008-10-5 20:51:27
'*************测字符串长度**************
Function CheckStringLength(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 '如果是汉字
y = y + 2
else
y = y + 1
end if
next
CheckStringLength = y
End Function
'************* 截取字符串 **************
function InterceptString(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 '如果是汉字
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
InterceptString = txt
else
InterceptString = ""
end if
End Function
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