C#全角半角互转

工作时遇到，记录一下

 

#region 全角半角转换
        public static string ToSBC(string s)
        {
            char[] c = s.ToCharArray();
            for (int i = 0; i < c.Length; i++)
            {
                if (c[i] == 32)
                {
                    c[i] = (char)12288;
                    continue;
                }
                if (c[i] < 127)
                {
                    c[i] = (char)(c[i] + 65248);
                }
            }
            return new string(c);
        }
        public static string ToDBC(string s)
        {
            char[] c = s.ToCharArray();
            for (int i = 0; i < c.Length; i++)
            {
                if (c[i] == 12288)
                {
                    c[i] = (char)32;
                    continue;
                }
                if (c[i] > 65280 && c[i] < 65375)
                    c[i] = (char)(c[i] - 65248);
            }
            return new string(c);
        }
        #endregion