C# 字符串全角 半角转换

using System;namespace SFiresoft.Util{    /// <summary>    /// 字符串操作辅助类    /// </summary>    /// <remarks>    /// 创建者:sucsy    /// 创建日期:2012-2-27    /// </remarks>    public static class StringHelper    {        /// <summary>        /// 半角转全角(SBC case)        /// </summary>        /// <param name="input">任意字符串</param>        /// <remarks>        /// 全角空格为12288，半角空格为32        /// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248        /// </remarks>        /// <returns>获取全角字符串</returns>        public static String ToSBC(this String input)        {            // 半角转全角：            char[] c = input.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);        }        /// <summary>        /// 全角转半角        /// </summary>        /// <param name="input">任意字符串</param>        /// <remarks>        /// 全角空格为12288，半角空格为32        /// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248        /// </remarks>        /// <returns>获取半角字符</returns>        public static String ToDBC(this String input)        {            char[] c = input.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);        }    }}

南京酷得软件