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覆巢之下焉有完卵。出来道上混,迟早是要还的。

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ASP判断字符串长度（包含汉字问题）

2008-07-09 18:07:59| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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<%
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?")%>

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              blogAbstract:'<P\><%<BR\>Function getLength(txt)<BR\>txt=trim(txt)<BR\>x = len(txt)<BR\>y = 0<BR\>for ii = 1 to x<BR\>   if asc(mid(txt,ii,1))<0 or asc(mid(txt,ii,1))>255 then<BR\>     y = y + 2<BR\>   else<BR\>     y = y + 1<BR\>   end if<BR\>next<BR\>getLength= y<BR\>End Function<BR\><BR\>\'\"************* 截取字符串 **************<BR\>Function getString(txt,length)</P\>',
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