C#生成拼音简码

时间：2011-04-07 来源：悟生慧

/// <summary>
/// 生成拼音简码
/// </summary>
/// <param name="unicodeString">Unicode编码字符串</param>
/// <returns>拼音简码:string</returns>
public static string GetPinyinCode(string unicodeString)
{
int i = 0;
ushort key = 0;
string strResult = string.Empty; //创建两个不同的encoding对象
Encoding unicode = Encoding.Unicode;
//创建GBK码对象
Encoding gbk = Encoding.GetEncoding(936);
//将unicode字符串转换为字节
byte[] unicodeBytes = unicode.GetBytes(unicodeString);
//再转化为GBK码
byte[] gbkBytes = Encoding.Convert(unicode, gbk, unicodeBytes);
while (i < gbkBytes.Length)
{
//如果为数字\字母\其他ASCII符号
if (gbkBytes <= 127)
{
strResult = strResult + (char)gbkBytes;
i++;
}
#region 否则生成汉字拼音简码,取拼音首字母
else
{
key = (ushort)(gbkBytes * 256 + gbkBytes[i + 1]);
if (key >= '\uB0A1' && key <= '\uB0C4')
{
strResult = strResult + "A";
}
else if (key >= '\uB0C5' && key <= '\uB2C0')
{
strResult = strResult + "B";
}
else if (key >= '\uB2C1' && key <= '\uB4ED')
{
strResult = strResult + "C";
}
else if (key >= '\uB4EE' && key <= '\uB6E9')
{
strResult = strResult + "D";
}
else if (key >= '\uB6EA' && key <= '\uB7A1')
{
strResult = strResult + "E";
}
else if (key >= '\uB7A2' && key <= '\uB8C0')
{
strResult = strResult + "F";
}
else if (key >= '\uB8C1' && key <= '\uB9FD')
{
strResult = strResult + "G";
}
else if (key >= '\uB9FE' && key <= '\uBBF6')
{
strResult = strResult + "H";
}
else if (key >= '\uBBF7' && key <= '\uBFA5')
{
strResult = strResult + "J";
}
else if (key >= '\uBFA6' && key <= '\uC0AB')
{
strResult = strResult + "K";
}
else if (key >= '\uC0AC' && key <= '\uC2E7')
{
strResult = strResult + "L";
}
else if (key >= '\uC2E8' && key <= '\uC4C2')
{
strResult = strResult + "M";
}
else if (key >= '\uC4C3' && key <= '\uC5B5')
{
strResult = strResult + "N";
}
else if (key >= '\uC5B6' && key <= '\uC5BD')
{
strResult = strResult + "O";
}
else if (key >= '\uC5BE' && key <= '\uC6D9')
{
strResult = strResult + "P";
}
else if (key >= '\uC6DA' && key <= '\uC8BA')
{
strResult = strResult + "Q";
}
else if (key >= '\uC8BB' && key <= '\uC8F5')
{
strResult = strResult + "R";
}
else if (key >= '\uC8F6' && key <= '\uCBF9')
{
strResult = strResult + "S";
}
else if (key >= '\uCBFA' && key <= '\uCDD9')
{
strResult = strResult + "T";
}
else if (key >= '\uCDDA' && key <= '\uCEF3')
{
strResult = strResult + "W";
}
else if (key >= '\uCEF4' && key <= '\uD188')
{
strResult = strResult + "X";
}
else if (key >= '\uD1B9' && key <= '\uD4D0')
{
strResult = strResult + "Y";
}
else if (key >= '\uD4D1' && key <= '\uD7F9')
{
strResult = strResult + "Z";
}
else
{
strResult = strResult + "?";
}
i = i + 2;
}
#endregion
}//end while
return strResult;
}