js 截取字符串 一个中文长度为2
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2024-02-26 10:36:04
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<script>
/*
//截取字符串 包含中文处理
//(串,长度,增加...)
function subString(str, len, hasDot)
{
var newLength = 0;
var newStr = "";
var chineseRegex = /[^\x00-\xff]/g;
var singleChar = "";
var strLength = str.replace(chineseRegex,"**").length;
for(var i = 0;i < strLength;i++)
{
singleChar = str.charAt(i).toString();
if(singleChar.match(chineseRegex) != null)
{
newLength += 2;
}
else
{
newLength++;
}
if(newLength > len)
{
break;
}
newStr += singleChar;
}
if(hasDot && strLength > len)
{
newStr += "...";
}
return newStr;
}
alert(subString("字2符串截取测试",10));
</script>
参阅:[url=http://hi.baidu.com/baijunhui/blog/item/be6bff77a304e613b151b962.html]js 截取字符串 包含中文处理[/url]