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
{
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]
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 = Lp));
}
protected void Button1_Click(object sender, EventArgs e)
{
string str = this.txt.Text.Trim();
this.Label1.Text=Convert(str);
}