全半角转化

  #region 全半角转化
        /// <summary>全角半角的相互转换
        ///
        /// </summary>
        public class ConvertDBCAndSBC
        {

            /// <summary>半角转成全角
            /// 半角空格32,全角空格12288
            /// 其他字符半角33~126,其他字符全角65281~65374,相差65248
            /// </summary>
            /// <param name="input"></param>
            /// <returns></returns>
            public static string DBCToSBC(string input)
            {
                char[] cc = input.ToCharArray();
                for (int i = 0; i < cc.Length; i++)
                {
                    if (cc[i] == 32)
                    {
                        // 表示空格
                        cc[i] = (char)12288;
                        continue;
                    }
                    if (cc[i] < 127 && cc[i] > 32)
                    {
                        cc[i] = (char)(cc[i] + 65248);
                    }
                }
                return new string(cc);
            }

            /// <summary>全角转半角
            /// 半角空格32,全角空格12288
            /// 其他字符半角33~126,其他字符全角65281~65374,相差65248
            /// </summary>
            /// <param name="input"></param>
            /// <returns></returns>
            public static string SBCToDBC(string input)
            {
                char[] cc = input.ToCharArray();
                for (int i = 0; i < cc.Length; i++)
                {
                    if (cc[i] == 12288)
                    {
                        // 表示空格
                        cc[i] = (char)32;
                        continue;
                    }
                    if (cc[i] > 65280 && cc[i] < 65375)
                    {
                        cc[i] = (char)(cc[i] - 65248);
                    }

                }
                return new string(cc);
            }
        }

        #endregion