C# 全半角转换

1    /**/ /// <summary> 2            /// 转全角的函数(SBC case) 3            /// </summary> 4            /// <param name="input">任意字符串</param> 5            /// <returns>全角字符串</returns> 6            ///<remarks> 7            ///全角空格为12288，半角空格为32 8            ///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248 9            ///</remarks>         10              public   static   string  ToSBC( string  input) 11              {12                //半角转全角：13                char[] c = input.ToCharArray();14                for (int i = 0; i < c.Length; i++)15                {16                    if (c[i] == 32)17                    {18                        c[i] = (char)12288;19                        continue;20                    }21                    if (c[i] < 127)22                        c[i] = (char)(c[i] + 65248);23                }24                return new string(c);25            } 26 27 28              /**/ /// <summary>29            /// 转半角的函数(DBC case)30            /// </summary>31            /// <param name="input">任意字符串</param>32            /// <returns>半角字符串</returns>33            ///<remarks>34            ///全角空格为12288，半角空格为3235            ///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差6524836            ///</remarks> 37              public   static   string  ToDBC( string  input) 38              {39                char[] c = input.ToCharArray();40                for (int i = 0; i < c.Length; i++)41                {42                    if (c[i] == 12288)43                    {44                        c[i] = (char)32;45                        continue;46                    }47                    if (c[i] > 65280 && c[i] < 65375)48                        c[i] = (char)(c[i] - 65248);49                }50                return new string(c);51            }