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asp.net 自动将汉字转换成拼音第一个字母

　　本文标签：asp.net,汉字,拼音,字母

/// <summary>
/// 把汉字转换成拼音第一个字母
/// </summary>
/// <param name="ChineseStr"></param>
/// <returns></returns>
private string ChineseCap(string ChineseStr)
{
string Capstr="";
byte[] ZW = new byte[2];
long ChineseStr_int;
string CharStr,ChinaStr="";
for (int i=0;i<=ChineseStr.Length-1;i++)
{
CharStr=ChineseStr.Substring(i,1).ToString();
ZW=System.Text.Encoding.Default.GetBytes(CharStr);
// 得到汉字符的字节数组
if(ZW.Length==2)
{
int i1 = (short)(ZW[0]);
int i2 = (short)(ZW[1]);
ChineseStr_int=i1*256+i2;
#region 参数
//table of the constant list
// A; //45217..45252
// B; //45253..45760
// C; //45761..46317
// D; //46318..46825
// E; //46826..47009
// F; //47010..47296
// G; //47297..47613
// H; //47614..48118
// J; //48119..49061
// K; //49062..49323
// L; //49324..49895
// M; //49896..50370
// N; //50371..50613
// O; //50614..50621
// P; //50622..50905
// Q; //50906..51386
// R; //51387..51445
// S; //51446..52217
// T; //52218..52697
//没有U,V
// W; //52698..52979
// X; //52980..53640
// Y; //53689..54480
// Z; //54481..55289
#endregion
#region 判断
if ((ChineseStr_int>=45217) && (ChineseStr_int<=45252))
{
ChinaStr= "A";
}
else if ((ChineseStr_int>=45253) && (ChineseStr_int<=45760))
{
ChinaStr= "B";
}
else if ((ChineseStr_int>=45761) && (ChineseStr_int<=46317))
{
ChinaStr= "C";
}
else if ((ChineseStr_int>=46318) && (ChineseStr_int<=46825))
{
ChinaStr= "D";
}
else if ((ChineseStr_int>=46826) && (ChineseStr_int<=47009))
{
ChinaStr= "E";
}
else if ((ChineseStr_int>=47010) && (ChineseStr_int<=47296))
{
ChinaStr= "F";
}
else if ((ChineseStr_int>=47297) && (ChineseStr_int<=47613))
{
ChinaStr= "G";
}
else if ((ChineseStr_int>=47614) && (ChineseStr_int<=48118))
{
ChinaStr= "H";
}
else if ((ChineseStr_int>=48119) && (ChineseStr_int<=49061))
{
ChinaStr= "J";
}
else if ((ChineseStr_int>=49062) && (ChineseStr_int<=49323))
{
ChinaStr= "K";
}
else if ((ChineseStr_int>=49324) && (ChineseStr_int<=49895))
{
ChinaStr= "L";
}
else if ((ChineseStr_int>=49896) && (ChineseStr_int<=50370))
{
ChinaStr= "M";
}
else if ((ChineseStr_int>=50371) && (ChineseStr_int<=50613))
{
ChinaStr= "N";
}
else if ((ChineseStr_int>=50614) && (ChineseStr_int<=50621))
{
ChinaStr= "O";
}
else if ((ChineseStr_int>=50622) && (ChineseStr_int<=50905))
{
ChinaStr= "P";
}
else if ((ChineseStr_int>=50906) && (ChineseStr_int<=51386))
{
ChinaStr= "Q";
}
else if ((ChineseStr_int>=51387) && (ChineseStr_int<=51445))
{
ChinaStr= "R";
}
else if ((ChineseStr_int>=51446) && (ChineseStr_int<=52217))
{
ChinaStr= "S";
}
else if ((ChineseStr_int>=52218) && (ChineseStr_int<=52697))
{
ChinaStr= "T";
}
else if ((ChineseStr_int>=52698) && (ChineseStr_int<=52979))
{
ChinaStr= "W";
}
else if ((ChineseStr_int>=52980) && (ChineseStr_int<=53640))
{
ChinaStr= "X";
}
else if ((ChineseStr_int>=53689) && (ChineseStr_int<=54480))
{
ChinaStr= "Y";
}
else if ((ChineseStr_int>=54481) && (ChineseStr_int<=55289))
{
ChinaStr= "Z";
}
#endregion
}
else
{
Capstr=ChineseStr;
break;
}
Capstr=Capstr+ChinaStr;
}
return Capstr;
}