C#截取指定长度中英文字符串方法
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我是从网上找的方法,然后添加了,如果是超过长度,则在后面添加".."字符。
这在做网站时,显示新闻标题最非常有用,为了保持页面的格局,对标题进行限定长度,这就需要对中文进行双字符计算。
Encoding encoding = Encoding.GetEncoding("gb2312");
// 这种方法在不同语言的 OS 上都比较好,其他字符集也方便修改;
// 如果是中文 OS,也可以用 Encoding.Default 代替。
int bytesSize = encoding.GetByte("破宝(percyboy)").Length;
// 上面的表达式即该字符串在 gb2312 字符集中的字节数。
// 用这个修正你的代码,可以做个测试,
// 我估计应该会比正则表达式快一些。