?? unit9.pas
字號:
unit Unit9;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, DB, ADODB, XPMenu;
//用于復合查詢;其功能是為了與查詢主窗口配合,一般不獨立使用。
type
TForm9 = class(TForm)
CheckBox1: TCheckBox;
CheckBox2: TCheckBox;
CheckBox3: TCheckBox;
CheckBox4: TCheckBox;
Panel1: TPanel;
Label1: TLabel;
Label2: TLabel;
y1: TComboBox;
m1: TComboBox;
d1: TComboBox;
d2: TComboBox;
y2: TComboBox;
m2: TComboBox;
Panel2: TPanel;
Label4: TLabel;
Edit2: TEdit;
Panel3: TPanel;
Label5: TLabel;
Edit3: TEdit;
Panel4: TPanel;
Label3: TLabel;
Edit1: TEdit;
Button1: TButton;
init: TButton;
XPMenu1: TXPMenu;
procedure Button1Click(Sender: TObject);
procedure CheckBox1Click(Sender: TObject);
procedure CheckBox2Click(Sender: TObject);
procedure CheckBox3Click(Sender: TObject);
procedure CheckBox4Click(Sender: TObject);
procedure initClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
implementation
uses unit8;
{$R *.dfm}
procedure TForm9.Button1Click(Sender: TObject);
begin
with form8 do begin
db3.Close;
db3.SQL.Clear;
if checkbox1.Checked then //按時間段來查詢
begin
db3.SQL.Add('select * from 銷售情況 where 銷售時間>=');
db3.sql.add(format('#%s/%s/%s#',[m1.text,d1.text,y1.text]));
db3.sql.add(' and 銷售時間<=');
db3.sql.add(format('#%s/%s/%s#',[m2.text,d2.text,y2.text]));
end
else
db3.SQL.add('select * from 銷售情況 where ((銷售時間)>#1/1/1990#)');
if checkbox2.Checked then //按照某種型號查詢
db3.sql.Add(' and 型號='''+edit2.Text+'''');
if checkbox3.Checked then //按照串號查詢
db3.SQL.add('and 串號='''+edit3.Text+'''');
if checkbox4.Checked then //按供供方姓名查詢
db3.SQL.Add(' and 買主='''+edit1.text+'''');
db3.Open;
end;
init.Click;
self.Close;
end;
procedure TForm9.CheckBox1Click(Sender: TObject);
begin
panel1.Visible:=checkbox1.Checked;
end;
procedure TForm9.CheckBox2Click(Sender: TObject);
begin
panel2.Visible:=checkbox2.Checked;
end;
procedure TForm9.CheckBox3Click(Sender: TObject);
begin
panel3.Visible:=checkbox3.Checked;
end;
procedure TForm9.CheckBox4Click(Sender: TObject);
begin
panel4.Visible:=checkbox4.Checked;
end;
procedure TForm9.initClick(Sender: TObject);
begin
//沒有別的用,就是來初始化吧。
checkbox1.Checked:=false;
checkbox1.Hide;
panel1.Hide;
checkbox2.Checked:=false;
checkbox2.Hide;
panel2.Hide;
checkbox3.Checked:=false;
checkbox3.Hide;
panel3.Hide;
checkbox4.Checked:=false;
checkbox4.Hide;
panel4.Hide;
end;
end.
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -