全角半角转换

/// <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 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>