.net全半角相互转换

[c#]代码库

/// <summary>
    /// 转全角的函数(SBC case)
    /// </summary>
    /// <param name="input">任意字符串</param>
    /// <returns>全角字符串</returns>
    ///<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>
    public static string ToSBC(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> 转半角的函数(DBC case) </summary>
    /// <param name="input">任意字符串</param>
    /// <returns>半角字符串</returns>
    ///<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>
    public static string ToDBC(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);
    }