字符串转换到指定格式的宽字符 - 回复 "厨师" 的问题

问题来源: http://www.cnblogs.com/del/archive/2008/12/13/1353193.html#1400641

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本例效果图:

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代码文件:

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unit Unit1;



interface



uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;



type

  TForm1 = class(TForm)

    Memo1: TMemo;

    Button1: TButton;

    Edit1: TEdit;

    procedure FormCreate(Sender: TObject);

    procedure Button1Click(Sender: TObject);

    procedure Memo1Click(Sender: TObject);

  end;



var

  Form1: TForm1;



implementation



{$R *.dfm}



procedure TForm1.Button1Click(Sender: TObject);

var

  str: string;

  pcw: PWideChar;

  cw: WideChar;

  i: Integer;

begin

  Memo1.Clear;



  str := Edit1.Text;

  pcw := PWideChar(str);



  for i := 0 to StrLen(pcw) - 1 do

  begin

    cw := (pcw+i)^;

    Memo1.Lines.Add(Format('$%.4x', [Ord(cw)]));

    //Memo1.Lines.Add(Format('$%.4x', [Ord(str[i+1])])); {也可以用这句替换上面两行}

  end;

end;



procedure TForm1.FormCreate(Sender: TObject);

begin

  Memo1.Clear;

  Memo1.Align := alLeft;

  Memo1.ScrollBars := ssVertical;

end;



procedure TForm1.Memo1Click(Sender: TObject);

var

  str: string;

begin

  str := Memo1.Lines[Memo1.CaretPos.Y];

  Text := WideChar(StrToIntDef(str, 0));

end;



end.


 
   

窗体文件:

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object Form1: TForm1

  Left = 0

  Top = 0

  Caption = 'Form1'

  ClientHeight = 190

  ClientWidth = 260

  Color = clBtnFace

  Font.Charset = DEFAULT_CHARSET

  Font.Color = clWindowText

  Font.Height = -11

  Font.Name = 'Tahoma'

  Font.Style = []

  OldCreateOrder = False

  OnCreate = FormCreate

  PixelsPerInch = 96

  TextHeight = 13

  object Memo1: TMemo

    Left = 8

    Top = 8

    Width = 89

    Height = 185

    Lines.Strings = (

      'Memo1')

    TabOrder = 0

    OnClick = Memo1Click

  end

  object Button1: TButton

    Left = 136

    Top = 120

    Width = 75

    Height = 25

    Caption = 'Button1'

    TabOrder = 1

    OnClick = Button1Click

  end

  object Edit1: TEdit

    Left = 95

    Top = 16

    Width = 157

    Height = 21

    TabOrder = 2

    Text = 'Edit1'

  end

end