1 /// <summary>
2 /// 截断字符串
3 /// </summary>
4 /// <param name="maxLength">最大长度</param>
5 /// <param name="str">原字符串</param>
6 /// <returns></returns>
7 public static string CutStr(int maxLength, string str)
8 {
9 string temp = str;
10 if (Regex.Replace(temp, "[\u4e00-\u9fa5]", "zz", RegexOptions.IgnoreCase).Length <= maxLength)
11 {
12 return temp;
13 }
14 for (int i = temp.Length; i >= 0; i--)
15 {
16 temp = temp.Substring(0, i);
17 if (Regex.Replace(temp, "[\u4e00-\u9fa5]", "zz", RegexOptions.IgnoreCase).Length <= maxLength - 3)
18 {
19 return temp + "...";
20 }
21 }
22 return "...";
23 }
