检测含有中文字符串的实际长度
作者:Admin 时间:08-07-15 点击:
"*************测字符串长度************** "************* 截取字符串 **************
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
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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