感謝《[Delphi.7應用教程].童愛紅.文字版.pdf》提供的題目、解題方法及文字源程序!本文作者據此轉換爲Delphi源程序(爲方便愛好者學習,程序界面略有修改,源程序包請見附件):
unit SL421;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, jpeg, ExtCtrls, StdCtrls;
type
TForm1 = class(TForm)
GroupBox1: TGroupBox;
Image1: TImage;
GroupBox2: TGroupBox;
Memo1: TMemo;
GroupBox3: TGroupBox;
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Button1: TButton;
Button2: TButton;
GroupBox4: TGroupBox;
Memo2: TMemo;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Only_Num(Sender: TObject; var Key: Char);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
var
num:Array[1..10] of Integer; //定義一個單元級數組變量,存儲輸入的10個數
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject); //【輸入】按鈕代碼
var
m:integer;
begin
edit1.text:='';
edit2.text:='';
for m:=1 to 10 do
begin
num[m]:=StrToInt(InputBox('請輸入10個整數','輸入第'+IntToStr(m)+'個整數','0'));
edit1.text:=edit1.text+IntToStr(num[m])+' ,'
end;
edit1.text:=copy(edit1.text,1,Length(edit1.text)-1);
//文件框的文本取從第1個字符起,到除了最後1個字符之外的所有字符
end;
procedure TForm1.Button2Click(Sender: TObject);
Var
i,j,k,n:integer;
begin
for i:=1 to 9 do
begin
k:=10-i ; //第i輪比較10-i次
for j:=1 to k do
begin
if num[j]>num[j+1] then //如果num[j]>num[j+1]就交換兩數
begin
n:=num[j];
num[j]:=num[j+1];
num[j+1]:=n;
end;
end;
end;
for i:=1 to 10 do
edit2.Text:=edit2.text+IntToStr(num[i])+' ,';
edit2.Text:=copy(edit2.text,1,length(edit2.text)-1);
end;
procedure TForm1.Only_Num(Sender: TObject; var Key: Char);
begin
if not (key in['0'..'9',#8]) then key:=#13; //文本框只能輸入數字
end;
end.