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<style>
  div {
    width: 100px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
  }
</style>
<div>我有多长我有多长我有多长我有多长我有多长我有多长</div>
<div>我有多长我有多长我有多长我有多长我有多长我有多长</div>
<div>我有多长我有多长我有多长我有多长我有多长我有多长</div>

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<script language="JavaScript">
  var str = "有多长我有多长我有多长我有多长我有多长";
  if (str.length <= 5) {
    document.write(str);
  } else {
    document.write(str.substring(0, 5) + "…");
  }
</script>

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function phxLeft(s,u)
tempLeft=left(s,u)
Set regEx = New RegExp
regEx.Pattern="$[$^\x00-\xff$]$"
regEx.IgnoreCase = True
regEx.Global = True
Set Matches = regEx.Execute(tempLeft)
n=u-round(Matches.Count/2)
phxLeft=left(s,n)
end function
msgbox phxLeft("有多长我有多长我有多长我有多长我有多长",5)
msgbox phxLeft("abcdefgggsadabsnuh",10)

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text=rs("title") '将数据库字段值赋到某变量上
i=20 '定义固定大小
if len(text)>i then '如果文本长度大于给定的值
text=left(text,i) '则提取前段的i位的字符串
response.write (text&”…”)
else
response.write (text)
end if