输入含中文的字符串 返回中文的首字母private string returnzimu(string zimustr)
{
string blont = zimustr;
if (Regex.IsMatch(zimustr, @"[\u4e00-\u9fa5]"))
{
for (int q = 0; q < blont.Length; q++)
{
if (Regex.IsMatch(blont[q].ToString(), @"[\u4e00-\u9fa5]"))
{
blont = blont.Replace(blont[q].ToString(), getSpell(blont[q].ToString()));
}
}
}
blont = blont.Replace("（", "(");
blont = blont.Replace("）", ")");
return blont;
}
/// <summary>
/// 获取单个中文的首字母
/// </summary>
/// <param name="cnChar"></param>
/// <returns></returns>
private static string getSpell(string cnChar)
{
byte[] arrCN = Encoding.Default.GetBytes(cnChar);
if (arrCN.Length > 1)
{
int area = (short)arrCN[0];
int pos = (short)arrCN[1];
int code = (area << 8) + pos;
int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };
for (int i = 0; i < 26; i++)
{
int max = 55290;
if (i != 25)
{
max = areacode[i + 1];
}
if (areacode[i] <= code && code < max)
{
return Encoding.Default.GetString(new byte[] { (byte)(97 + i) });
}
}
return "*";
}
else return cnChar;
}