unitfrmmain.pas

自己开发的delphi 100lei 内容丰富 绝对不要错过了啊。

unit unitFrmMain;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
// 获取汉字的拼音首字符,这个函数将用在GetPYIndexStr 中.
//参数说明:第一个参数为需要返回拼音的汉字, 第二个参数决定返回大写还是小写,缺省为大写
function GetPyChar(strChinese: string; bUpCase: Boolean = True): char;
begin
// 根据汉字表中拼音首字符分别为“A”至“Z”的汉字内码范围，
// 要检索的汉字只需要检查它的内码位于哪一个首字符的范围内，
// 就可以判断出它的拼音首字符。
  case WORD(strChinese[1]) shl 8 + WORD(strChinese[2]) of
    $B0A1..$B0C4: result := 'A';
    $B0C5..$B2C0: result := 'B';
    $B2C1..$B4ED: result := 'C';
    $B4EE..$B6E9: result := 'D';
    $B6EA..$B7A1: result := 'E';
    $B7A2..$B8C0: result := 'F';
    $B8C1..$B9FD: result := 'G';
    $B9FE..$BBF6: result := 'H';
    $BBF7..$BFA5: result := 'J';
    $BFA6..$C0AB: result := 'K';
    $C0AC..$C2E7: result := 'L';
    $C2E8..$C4C2: result := 'M';
    $C4C3..$C5B5: result := 'N';
    $C5B6..$C5BD: result := 'O';
    $C5BE..$C6D9: result := 'P';
    $C6DA..$C8BA: result := 'Q';
    $C8BB..$C8F5: result := 'R';
    $C8F6..$CBF9: result := 'S';
    $CBFA..$CDD9: result := 'T';
    $CDDA..$CEF3: result := 'W';
    $CEF4..$D188: result := 'X';
    $D1B9..$D4D0: result := 'Y';
    $D4D1..$D7F9: result := 'Z';
  else
    result := char(0);
  end;
  if not bUpCase then
  begin // 转换为小写
    result := Chr(Ord(result) + 32);
  end;
end;
// 获取多个汉字的拼音首字符组成的字符串.
//参数说明:第一个参数为需要返回拼音的汉字, 第二个参数决定返回大写还是小写,缺省为大写 .


function GetPYStr(strChinese: string; bUpCase: Boolean = True): string;
var
  strChineseTemp: string;
  cTemp: Char;
begin
  result := '';
  strChineseTemp := strChinese;
  while strChineseTemp <> '' do
  begin
    cTemp := GetPYChar(strChineseTemp);
    if not bUpCase then
    begin // 转换为小写
      cTemp := Chr(Ord(cTemp) + 32);
    end;
    result := result + string(cTemp);
    strChineseTemp := Copy(strChineseTemp, 3, Length(strChineseTemp));
  end;
end;



{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  if RadioButton1.Checked then
    Edit2.Text := GetPYChar(Edit1.Text);
  if RadioButton2.Checked then
    Edit2.Text := GetPYStr(Edit1.Text);
end;

end.