把汉字转换成首字母拼音

public String Convert(String chinese)

{

chinese = chinese.Replace(" ", "");

char[] buffer = new char[chinese.Length];

for (int i = 0; i < chinese.Length; i++)

{

buffer[i] = Convert(chinese[i]);

}

return new String(buffer);

}


public char Convert(Char chinese)
{

if (chinese == char.MinValue)

{

return '\0';

}

Encoding gb2312 = Encoding.GetEncoding("GB2312");
Encoding unicode = Encoding.Unicode;
// Convert the string into a byte[].
byte[] unicodeBytes = unicode.GetBytes(new Char[] { chinese });
// Perform the conversion from one encoding to the other.
byte[] asciiBytes = Encoding.Convert(unicode, gb2312, unicodeBytes);
// 计算该汉字的GB-2312编码
int n = (int)asciiBytes[0] << 8;
if (asciiBytes.Length > 1)
{

n += (int)asciiBytes[1];

}

else

{

return '\0';

}

// 根据汉字区域码获取拼音声母

if (In(0xB0A1, 0xB0C4, n)) return 'a';

if (In(0XB0C5, 0XB2C0, n)) return 'b';

if (In(0xB2C1, 0xB4ED, n)) return 'c';

if (In(0xB4EE, 0xB6E9, n)) return 'd';

if (In(0xB6EA, 0xB7A1, n)) return 'e';

if (In(0xB7A2, 0xB8c0, n)) return 'f';

if (In(0xB8C1, 0xB9FD, n)) return 'g';

if (In(0xB9FE, 0xBBF6, n)) return 'h';

if (In(0xBBF7, 0xBFA5, n)) return 'j';

if (In(0xBFA6, 0xC0AB, n)) return 'k';

if (In(0xC0AC, 0xC2E7, n)) return 'l';

if (In(0xC2E8, 0xC4C2, n)) return 'm';

if (In(0xC4C3, 0xC5B5, n)) return 'n';

if (In(0xC5B6, 0xC5BD, n)) return 'o';

if (In(0xC5BE, 0xC6D9, n)) return 'p';

if (In(0xC6DA, 0xC8BA, n)) return 'q';

if (In(0xC8BB, 0xC8F5, n)) return 'r';

if (In(0xC8F6, 0xCBF0, n)) return 's';

if (In(0xCBFA, 0xCDD9, n)) return 't';

if (In(0xCDDA, 0xCEF3, n)) return 'w';

if (In(0xCEF4, 0xD188, n)) return 'x';

if (In(0xD1B9, 0xD4D0, n)) return 'y';

if (In(0xD4D1, 0xD7F9, n)) return 'z';

return '\0';

}
private static bool In(int Lp, int Hp, int Value)

{

return ((Value <= Hp) && (Value >= Lp));

}

protected void Button1_Click(object sender, EventArgs e)
{
string str = this.txt.Text.Trim();
https://www.sodocs.net/doc/563397328.html,bel1.Text=Convert(str);



}