ubmjbxx.pas

明日科技的《Delphi数据库开发案例精选》中的资源管理系统源代码。界面美观

unit UBMJBXX;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGrids, ExtCtrls, Buttons, ToolWin, ComCtrls;

type
  TFRM_BMJBXX = class(TForm)
    ToolBar1: TToolBar;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    SpeedButton5: TSpeedButton;
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    SpeedButton6: TSpeedButton;
    Panel2: TPanel;
    DBGrid1: TDBGrid;
    procedure FormCreate(Sender: TObject);
    procedure SpeedButton6Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure DBGrid1CellClick(Column: TColumn);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit2KeyPress(Sender: TObject; var Key: Char);
    procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumn; State: TGridDrawState);
    procedure Edit2Change(Sender: TObject);
    procedure Edit3Change(Sender: TObject);
  private
    { Private declarations }
  public
    procedure bh;        //自动编号
    Procedure GetAll;    //获得所有数据
    Procedure Posting;   //提交数据
    Procedure CLS;       //清除控件中内容
    Procedure DIS;       //控件不可用
    Procedure ENA;       //控件可用
    { Public declarations }
  end;

var
  FRM_BMJBXX: TFRM_BMJBXX;

implementation

uses UDM, UMAIN, UYHQX;

{$R *.dfm}
procedure TFRM_BMJBXX.bh;
var
i:integer;
s,m:string;
begin
  s:= 'BM';
  With DM.QBMJBXX do
  begin
    Close;
    SQL.Clear;
    SQL.Add('select max(部门编号) as ss From 部门信息表');
    Open;
  end;
  If DM.QBMJBXX.FieldByName('ss').Value=null then
    s := s + '001'
  else
  begin
    m:= Trim(DM.QBMJBXX.FieldByName('ss').Value) ;
    i:= StrToInt(Trim(Copy(m,3,3))) ;
    s:= s +Formatfloat('000',i+1);
  end;
  Edit1.Text := s;
end;
procedure TFRM_BMJBXX.GetAll;
begin
  Edit1.Text:=DM.DSOBMJBXX.FieldByName('部门编号').AsString;
  Edit2.Text:=DM.DSOBMJBXX.FieldByName('部门名称').AsString;
  Edit3.Text:=DM.DSOBMJBXX.FieldByName('备注').AsString;
end;
procedure TFRM_BMJBXX.Posting;
begin
  if ActionCD='N' then
  BEGIN
    with DM.QBMJBXX do
    begin
      Close;
      SQL.Clear;
      SQL.Add('INSERT INTO 部门信息表(部门编号,部门名称,备注)');
      SQL.Add('Values(:部门编号,:部门名称,:备注)');
      Parameters.Items[0].Value:=Edit1.Text;
      Parameters.Items[1].Value:=Edit2.Text;
      Parameters.Items[2].Value:=Edit3.Text;
      Prepared:=True;
      ExecSQL;
    end;
  END else
  if ActionCD='M' then
  begin
    With DM.QBMJBXX DO
    begin
      Close;
      SQL.Clear;
      SQL.Add('update 部门信息表 Set 部门名称=:部门名称1,备注=:备注1 where 部门编号=:部门编号1');
      Parameters.Items[0].Value:=Edit2.Text;
      Parameters.Items[1].Value:=Edit3.Text;
      Parameters.Items[2].Value:=DM.DSOBMJBXX.FieldByName('部门编号').AsString;
      Prepared:=true;
      ExecSQL;
    end;
  end;               
end;
procedure TFRM_BMJBXX.ENA;
var
  i:integer;
begin
  for i:=ComponentCount-1 downto 0 do
  begin
    if (Components[i] is TEdit) then
    begin
      TEdit(Components[i]).Color:=clWindow;
      TEdit(Components[i]).ReadOnly:=False;
    end;
  end;
  SpeedButton1.Enabled:=False;
  SpeedButton2.Enabled:=False;
  SpeedButton3.Enabled:=True;
  SpeedButton4.Enabled:=False;
  Panel1.Enabled:=True;
end;
procedure TFRM_BMJBXX.DIS;
var
  i:integer;
begin
  for i:=ComponentCount-1 downto 0 do
  begin
    if (Components[i] is Tedit) then
    begin
      TEdit(Components[i]).Color:=$00EFEFEF;
      TEdit(Components[i]).ReadOnly:=true;
    end;
  end;
  SpeedButton1.Enabled:=True;
  SpeedButton2.Enabled:=True;
  SpeedButton3.Enabled:=False;
  SpeedButton4.Enabled:=False;
  Panel1.Enabled:=False;
end;
procedure TFRM_BMJBXX.CLS;
var
  i:integer;
begin
  for i:=ComponentCount-1 downto 0 do
  begin
    if(Components[i] is TEdit) then
      TEdit(Components[i]).Clear;
  end;
end;
////////////////////////////////////////
procedure TFRM_BMJBXX.FormCreate(Sender: TObject);
begin
  with DM.QBMJBXX do
  begin
    Close;
    SQL.Clear;
    SQL.Add('Select * from 部门信息表') ;
    Open;
  end;
  DM.DSOBMJBXX.Open;
end;

procedure TFRM_BMJBXX.SpeedButton6Click(Sender: TObject);
begin
  Close;
end;

procedure TFRM_BMJBXX.SpeedButton3Click(Sender: TObject);
begin
  if Edit1.Text='' then
  begin
    Application.MessageBox('部门编号不能为空！','提示！',64);
    Exit;
  end;
  if Edit2.Text='' then
  begin
    Application.MessageBox('部门名称不能为空！','提示！',64);
    Exit;
  end;
  Posting;
  DIS;
  DM.DSOBMJBXX.Close;
  DM.DSOBMJBXX.Open;
  Application.MessageBox('保存成功!','提示!',64);
  actioncd:='';
  self.Close;
end;

procedure TFRM_BMJBXX.FormShow(Sender: TObject);
begin
  DIS;
  if ActionCD = 'M' then
    GetAll
  else if ActionCD = 'N' then
  begin
    CLS;
    ENA;
  end;
end;

procedure TFRM_BMJBXX.SpeedButton1Click(Sender: TObject);
begin
  CLS;
  ENA;
  ActionCD := 'N';
  bh;
  Edit2.SetFocus;
end;

procedure TFRM_BMJBXX.SpeedButton2Click(Sender: TObject);
begin
  ENA;
  SpeedButton4.Enabled:=True;
  ACtionCD := 'M';
end;

procedure TFRM_BMJBXX.SpeedButton5Click(Sender: TObject);
begin
  DIS;
  SpeedButton4.Enabled:=False;
  FRM_BMJBXX.GetAll;
  ActionCD:='';
end;

procedure TFRM_BMJBXX.SpeedButton4Click(Sender: TObject);
begin
  if DM.DSOBMJBXX.RecordCount=1 then
  begin
    Application.MessageBox('只有一条记录，无法删除!','提示',0+MB_ICONINFORMATION);
    Exit;
  end;
  if DM.DSOBMJBXX.IsEmpty then
    Exit;
  if ID_YES=application.MessageBox('确实要删除这条记录吗？','提示',MB_YESNO) then
  begin
    DM.DSOBMJBXX.Delete;
    self.OnShow(Sender);
  end;
end;

procedure TFRM_BMJBXX.DBGrid1CellClick(Column: TColumn);
begin
  GetAll;
end;

procedure TFRM_BMJBXX.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
  key:=#0;
end;

procedure TFRM_BMJBXX.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
  if key in['a'..'z'] then
    Key:=#0;
  if key=#13 then
    Edit3.SetFocus;
end;

procedure TFRM_BMJBXX.DBGrid1DrawColumnCell(Sender: TObject;
  const Rect: TRect; DataCol: Integer; Column: TColumn;
  State: TGridDrawState);
begin
  FRM_MAIN.SetDBGird(Sender as TDBGrid,DM.QBMJBXX ,Rect,DataCol,Column,State);
end;

procedure TFRM_BMJBXX.Edit2Change(Sender: TObject);
begin
  Edit2.Text:=Trim(Edit2.Text);
end;

procedure TFRM_BMJBXX.Edit3Change(Sender: TObject);
begin
  Edit3.Text:=Trim(Edit3.Text);
end;

end.