Delphi获取汉字拼音以及拼音首字母

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程序代码为:

THzSpell.PyOfHz(Edit1.Text)//获取汉字的拼音

UpperCase(THzSpell.PyHeadOfHz(Edit1.Text))//获取拼音首字母

----------------------------------代码文件---------------------------------------------------------------------

unit HzSpell;
{ version 4.1}

interface

uses
Windows, Messages, SysUtils, Classes;

type
THzSpell = class(TComponent)
protected
FHzText: String;
FSpell: String;
FSpellH: String;
procedure SetHzText(const Value: String);
function GetHzSpell: String;
function GetPyHead: String;
public
class function PyOfHz(Hz: String): String;
class function PyHeadOfHz(Hz: String): String;
published
property HzText: String read FHzText write SetHzText;
property HzSpell: String read GetHzSpell;
property PyHead: String read GetPyHead;
end;

{$I HzSpDat2.inc}

procedure Register;

function GetHzPy(HzChar: PChar; Len: Integer): String;
function GetHzPyFull(HzChar: String): String;
function GetHzPyHead(HzChar: PChar; Len: Integer): String;
function GetPyChars(HzChar: String): String;

implementation

procedure Register;
begin
RegisterComponents('System', [THzSpell]);
end;
function GetHzPy(HzChar: PChar; Len: Integer): String;
var
C: Char;
Index: Integer;
begin
Result := '';
if (Len > 1) and (HzChar[0] >= #129) and (HzChar[1] >= #64) then
begin
//是否为 GBK 字符
case HzChar[0] of
#163: // 全角 ASCII
begin
C := Chr(Ord(HzChar[1]) - 128);
if C in ['a'..'z', 'A'..'Z', '0'..'9', '(', ')', '[', ']'] then
Result := C
else
Result := '';
end;
#162: // 罗马数字
begin
if HzChar[1] > #160 then
Result := CharIndex[Ord(HzChar[1]) - 160]
else
Result := '';
end;
#166: // 希腊字母
begin
if HzChar[1] in [#$A1..#$B8] then
Result := CharIndex2[Ord(HzChar[1]) - $A0]
else if HzChar[1] in [#$C1..#$D8] then
Result := CharIndex2[Ord(HzChar[1]) - $C0]
else
Result := '';
end;
else
begin // 获得拼音索引
Index := PyCodeIndex[Ord(HzChar[0]) - 128, Ord(HzChar[1]) - 63];
if Index = 0 then
Result := ''
else
Result := PyMusicCode[Index];
end;
end;
end
else if Len > 0 then
begin
//在 GBK 字符集外, 即半角字符
if HzChar[0] in ['a'..'z', 'A'..'Z', '0'..'9', '(', ')', '[', ']',
'.', '!', '@', '#', '$', '%', '^', '&', '*', '-', '+',
'<', '>', '?', ':', '"'] then
Result := HzChar[0]
else
Result := '';
end;
end;
function GetHzPyFull(HzChar: String): String;
var
i, len: Integer;
Py: String;
function IsDouByte(C: Char): Boolean;
begin
Result := C >= #129;
end;
begin
Result := '';
i := 1;
while i <= Length(HzChar) do
begin
if IsDouByte(HzChar[i]) and (Length(HzChar) - i > 0) then
len := 2
else
len := 1;
Py := GetHzPy(@HzChar[i], len);
Inc(i, len);
if (Result <> '') and (Py <> '') then
Result := Result + ' ' + Py
else
Result := Result + Py;
end;
end;
function GetHzPyHead(HzChar: PChar; Len: Integer): String;
begin
Result := Copy(GetHzPy(HzChar, Len), 1, 1);
end;

function GetPyChars(HzChar: String): String;
var
i, len: Integer;
Py: String;
function IsDouByte(C: Char): Boolean;
begin
Result := C >= #129;
end;
begin
Result := '';
i := 1;
while i <= Length(HzChar) do
begin
if IsDouByte(HzChar[i]) and (Length(HzChar) - i > 0) then
len := 2
else
len := 1;
Py := GetHzPyHead(@HzChar[i], len);
Inc(i, len);
Result := Result + Py;
end;
end;
{ THzSpell }
function THzSpell.GetHzSpell: String;
begin
if FSpell = '' then
begin
Result := GetHzPyFull(FHzText);
FSpell := Result;
end
else Result := FSpell;
end;
function THzSpell.GetPyHead: String;
begin
if FSpellH = '' then
begin
Result := GetPyChars(FHzText);
FSpellH := Result;
end
else Result := FSpellH;
end;
class function THzSpell.PyHeadOfHz(Hz: String): String;
begin
Result := GetPyChars(Hz);
end;
class function THzSpell.PyOfHz(Hz: String): String;
begin
Result := GetHzPyFull(Hz);
end;
procedure THzSpell.SetHzText(const Value: String);
begin
FHzText := Value;
FSpell := '';
FSpellH := '';
end;
end.

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