wzgl.pas

这是用Delphi编写的车辆管理系统。主要功能有档案管理

unit WZGL;

interface

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

type
  TCarWeizhang = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    Panel3: TPanel;
    Panel4: TPanel;
    Panel5: TPanel;
    Panel6: TPanel;
    Panel7: TPanel;
    Panel8: TPanel;
    Label14: TLabel;
    Panel9: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    ComboBox1: TComboBox;
    DateTimePicker1: TDateTimePicker;
    Edit1: TEdit;
    Edit2: TEdit;
    GroupBox1: TGroupBox;
    Memo1: TMemo;
    Panel10: TPanel;
    procedure FormShow(Sender: TObject);
    procedure editshow(I:integer);
    procedure chkedit;
    procedure Panel3Click(Sender: TObject);
    procedure Panel3MouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel3MouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Panel1Click(Sender: TObject);
    procedure Panel2Click(Sender: TObject);
    procedure Panel4Click(Sender: TObject);
    procedure Panel6Click(Sender: TObject);
    procedure Panel7Click(Sender: TObject);
    procedure Panel8Click(Sender: TObject);
    procedure Panel5Click(Sender: TObject);
    procedure ComboBox1KeyPress(Sender: TObject; var Key: Char);
    procedure DateTimePicker1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit2KeyPress(Sender: TObject; var Key: Char);
    procedure Panel10Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  CarWeizhang: TCarWeizhang;
  editreadonly,insertorupdate:boolean;
  oldcarnum,oldyuanyin:string;
  oldDate:Tdatetime;

implementation

uses Unit2;

{$R *.dfm}

procedure TCarWeizhang.FormShow(Sender: TObject);
begin
combobox1.Clear;
insertorupdate:=true;
editreadonly:=true;
with datamodule2.carclassq do
begin
close;
sql.Clear;
sql.Add('select * from cardangan.dbf where baofei=false or yidong=false');
open;
if recordcount > 0 then
    while not eof do
     begin
     combobox1.Items.Add(fieldbyname('carnum').AsString);
     next;
     end;
end;
with datamodule2.carclassq do
     begin
     close;
     sql.Clear;
     sql.Add('select * from carweizhang.dbf');
     open;
     oldcarnum:=fieldbyname('carnum').AsString;
     oldyuanyin:=fieldbyname('yuanyin').Asstring;
     olddate:=fieldbyname('weizhangdt').AsDateTime;
     combobox1.Text:=fieldbyname('carnum').AsString;
     edit1.Text:=fieldbyname('yuanyin').Asstring;
     edit2.Text:=fieldbyname('chufa').Asstring;
     datetimepicker1.DateTime:=fieldbyname('weizhangdt').AsDateTime;
     memo1.Text:=fieldbyname('memo').Asstring;
     end;
 chkedit;
end;

procedure TCarWeizhang.Panel3Click(Sender: TObject);
begin
if not datamodule2.carclassQ.Eof then
editshow(3)
else showmessage('这已经是最后一条记录');
end;

procedure TCarWeizhang.Panel3MouseDown(Sender: TObject;
  Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
Tpanel(sender).BevelOuter:=bvLowered;
end;

procedure TCarWeizhang.Panel3MouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
tpanel(sender).BevelOuter:=bvSpace;
end;

procedure Tcarweizhang.editshow(I:integer);
begin
case I of
 1:  datamodule2.CarclassQ.First;
 2:  datamodule2.CarclassQ.Prior;
 3:  datamodule2.CarclassQ.next;
 4:  datamodule2.CarclassQ.Last;
end;

with datamodule2.CarclassQ do
     begin
     oldcarnum:=fieldbyname('carnum').AsString;
     oldyuanyin:=fieldbyname('yuanyin').Asstring;
     olddate:=fieldbyname('weizhangdt').AsDateTime;
     combobox1.Text:=fieldbyname('carnum').AsString;
     edit1.Text:=fieldbyname('yuanyin').Asstring;
     edit2.Text:=fieldbyname('chufa').Asstring;
     datetimepicker1.DateTime:=fieldbyname('weizhangdt').AsDateTime;
     memo1.Text:=fieldbyname('memo').asstring;
     end;
end;


procedure TCarWeizhang.Panel1Click(Sender: TObject);
begin
if not datamodule2.carclassq.Bof then
editshow(1)
else showmessage('已经是首记录了');
end;

procedure TCarWeizhang.Panel2Click(Sender: TObject);
begin
if not datamodule2.carclassQ.Bof then
editshow(2)
else
showmessage('您已经在首记录了！！')
end;

procedure TCarWeizhang.Panel4Click(Sender: TObject);
begin
if not datamodule2.CarclassQ.Eof then
editshow(4)
else showmessage('已经是末记录');
end;

procedure Tcarweizhang.chkedit;
begin
if editreadonly then
begin
panel6.Enabled:=true;
panel6.Color:=clmoneygreen;
panel7.Enabled:=true;
panel7.Color:=clmoneygreen;
panel1.Enabled:=true;
panel1.Color:=clmoneygreen;
panel2.Enabled:=true;
panel2.Color:=clmoneygreen;
panel3.Enabled:=true;
panel3.Color:=clmoneygreen;
panel4.Enabled:=true;
panel4.Color:=clmoneygreen;
edit1.enabled:=false;
edit2.enabled:=false;
datetimepicker1.enabled:=false;
memo1.enabled:=false;
combobox1.enabled:=false;
edit1.color:=clinfobk;
edit2.color:=clinfobk;
datetimepicker1.color:=clinfobk;
memo1.color:=clinfobk;
combobox1.color:=clinfobk;
panel5.Caption:='添加';
end
else
begin
panel6.Enabled:=false;
panel6.Color:=clwindow;
panel1.Enabled:=false;
panel1.Color:=clwindow;
panel2.Enabled:=false;
panel2.Color:=clwindow;
panel3.Enabled:=false;
panel3.Color:=clwindow;
panel4.Enabled:=false;
panel4.Color:=clwindow;
panel7.Enabled:=false;
panel7.Color:=clwindow;
edit1.enabled:=true;
edit2.enabled:=true;
datetimepicker1.enabled:=true;
memo1.enabled:=true;
combobox1.enabled:=true;
edit1.color:=clwindow;
edit2.color:=clwindow;
datetimepicker1.color:=clwindow;
memo1.color:=clwindow;
combobox1.color:=clwindow;
panel5.Caption:='保存';
end;
end;

procedure TCarWeizhang.Panel6Click(Sender: TObject);
begin
if datamodule2.CarclassQ.RecordCount > 0  then
begin
insertorupdate:=false;
editreadonly:=false;
chkedit;
combobox1.Enabled:=false;
edit1.SetFocus;
end
else showmessage('无记录');
end;

procedure TCarWeizhang.Panel7Click(Sender: TObject);
begin
with datamodule2.CarclassQ do
begin
if (RecordCount > 0) and  (messagebox(carweizhang.Handle,'确定要删除吗?','提示',MB_YESNO) = ID_YES) then
   begin
   close;
   sql.Clear;
   sql.Add('delete from carweizhang.dbf where carnum=:num1 and weizhangdt=:wdt and yuanyin=:wzyy');
   parambyname('num1').AsString:=oldcarnum;
   parambyname('wdt').AsDateTime:=oldDate;
   paramByname('wzyy').AsString:=oldyuanyin;
   execsql;
   end
   else showmessage('无记录！！');
end;
carweizhang.FormShow(sender);
end;

procedure TCarWeizhang.Panel8Click(Sender: TObject);
begin
insertorupdate:=true;
editreadonly:=true;
chkedit;
carweizhang.FormShow(sender);
end;

procedure TCarWeizhang.Panel5Click(Sender: TObject);
begin
if editreadonly then
 begin
  edit1.text:='';
  edit2.text:='';
  datetimepicker1.DateTime:=now;
  memo1.Clear;
  combobox1.ItemIndex:=1;
  editreadonly:=false;
  chkedit;
  combobox1.SetFocus
 end
  else
    begin
  if insertorupdate then                   //添加
     begin
    if (trim(edit1.Text)='') or (trim(edit2.Text)='') then
       showmessage('资料不完整！！')
         else
          begin
          with datamodule2.CarclassQ do
             begin
             close;
             sql.Clear;
             sql.Add('insert into carweizhang.dbf');
             sql.Add(' (carnum,chufa,weizhangdt,yuanyin,memo)');
             sql.Add(' values(:carnum1,:chufa1,:weizhangdt1,:yuanyin1,:memo1)');
             parambyname('carnum1').AsString:=combobox1.Text;
             parambyname('chufa1').AsString:=edit2.text;
             parambyname('weizhangdt1').AsDateTime:=datetimepicker1.DateTime;
             parambyname('memo1').AsString:=memo1.Text;
             parambyname('yuanyin1').AsString:=edit1.text;
             execsql;
             end;
          carweizhang.FormShow(sender);
          editreadonly:=true;
          chkedit;
          end;
      end
      else
      if (trim(edit1.Text)='') or (trim(edit2.Text)='') then
       showmessage('资料不完整！！')
         else
         begin
    if messagebox(carweizhang.Handle,'确定要修改此记录吗','提示',MB_YESNO)=ID_YES then
      begin                     //修改
      with datamodule2.CarclassQ do
             begin
             close;
             sql.Clear;
             sql.Add('update carweizhang.dbf set');
             sql.Add('  carnum=:carnum1,yuanyin=:yuanyin1,weizhangdt=:weizhangdt1');
             sql.add(',chufa=:chufa1,memo=:memo1');
             sql.Add('where carnum=:num1 and weizhangdt=:wdt and yuanyin=:wzyy');
             parambyname('num1').AsString:=oldcarnum;
             parambyname('wdt').AsDateTime:=oldDate;
             paramByname('wzyy').AsString:=oldyuanyin;
             parambyname('carnum1').AsString:=combobox1.Text;
             parambyname('chufa1').AsString:=edit2.text;
             parambyname('weizhangdt1').AsDateTime:=datetimepicker1.DateTime;
             parambyname('memo1').AsString:=memo1.Text;
             parambyname('yuanyin1').AsString:=edit1.text;
             execsql;
             end;
          insertorupdate:=true;
          carweizhang.FormShow(sender);
          editreadonly:=true;;
          chkedit;
        end;
      end;
  end;

end;

procedure TCarWeizhang.ComboBox1KeyPress(Sender: TObject; var Key: Char);
begin
if key = #13 then
    datetimepicker1.SetFocus;
end;

procedure TCarWeizhang.DateTimePicker1KeyPress(Sender: TObject;
  var Key: Char);
begin
if key = #13 then
    edit1.SetFocus;
end;

procedure TCarWeizhang.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key = #13 then
    edit2.SetFocus;
end;

procedure TCarWeizhang.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
if key = #13 then
    panel5.SetFocus;
end;

procedure TCarWeizhang.Panel10Click(Sender: TObject);
begin
carweizhang.Close;
end;

end.