function CnPYIndex(const CnString: string): string;
{
? 返回中文的拼音首字母
}
const
? ChinaCode: array[0..25, 0..1] of Integer = ((1601, 1636), (1637, 1832), (1833, 2077),
??? (2078, 2273), (2274, 2301), (2302, 2432), (2433, 2593), (2594, 2786), (9999, 0000),
??? (2787, 3105), (3106, 3211), (3212, 3471), (3472, 3634), (3635, 3722), (3723, 3729),
??? (3730, 3857), (3858, 4026), (4027, 4085), (4086, 4389), (4390, 4557), (9999, 0000),
??? (9999, 0000), (4558, 4683), (4684, 4924), (4925, 5248), (5249, 5589));
var
? i, j, HzOrd, l_iHz: Integer;
? Hz: AnsiString;
begin
? i :=? 1;
? l_iHz :=1;
? while i <= Length(CnString) do
? begin
??? Hz := CnString[i];
??? if (Hz[l_iHz] >= #160) and (Hz[l_iHz +1] >= #160) then
??? begin
????? HzOrd := (Ord(Hz[l_iHz]) -160) *100+ Ord(Hz[l_iHz +1]) -160;
????? for j :=0to25do
????? begin
??????? if (HzOrd >= ChinaCode[j][0]) and (HzOrd <= ChinaCode[j][1]) then
??????? begin
????????? Result := Result + Char(Byte('A') + j);//改A為a就全部是小寫
????????? Break;
??????? end;
????? end;
??? end
??? else
????? Result := Result + CnString[i];
??? Inc(i);
? end;
end;

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