unit_cjyfk.pas

主要是介绍DELPHI三层应用以及分布式数据库的应用

unit Unit_cjyfk;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, Grids, DBGrids, StdCtrls, Mask, DBCtrls, ComCtrls, ExtCtrls,
  ADODB, DBTables;

type
  TForm_cjyfk = class(TForm)
    DataSource1: TDataSource;
    Query1: TADOQuery;
    Panel1: TPanel;
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    TabSheet2: TTabSheet;
    TabSheet3: TTabSheet;
    ScrollBox: TScrollBox;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label6: TLabel;
    Label12: TLabel;
    Label15: TLabel;
    Label17: TLabel;
    Label19: TLabel;
    Label20: TLabel;
    Label25: TLabel;
    Label26: TLabel;
    Label27: TLabel;
    Label28: TLabel;
    Label29: TLabel;
    DBEdit7: TDBEdit;
    GroupBox8: TGroupBox;
    DBEdit1: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit8: TDBEdit;
    DBEdit12: TDBEdit;
    DBEdit14: TDBEdit;
    DBEdit16: TDBEdit;
    DBEdit19: TDBEdit;
    DBEdit22: TDBEdit;
    DBEdit23: TDBEdit;
    DBEdit24: TDBEdit;
    DBEdit25: TDBEdit;
    Panel2: TPanel;
    Label1: TLabel;
    Panel5: TPanel;
    btn_first1: TButton;
    btn_prev1: TButton;
    btn_next1: TButton;
    btn_last1: TButton;
    btn_addnew1: TButton;
    btn_edit1: TButton;
    btn_save1: TButton;
    btn_cancel1: TButton;
    Button1: TButton;
    btn_delete: TButton;
    TabSheet5: TTabSheet;
    Panel4: TPanel;
    Button8: TButton;
    Button10: TButton;
    Button9: TButton;
    DBGrid1: TDBGrid;
    TabSheet6: TTabSheet;
    Label8: TLabel;
    Shape1: TShape;
    DBEdit5: TDBEdit;
    Query1DSDesigner: TAutoIncField;
    Query1DSDesigner2: TDateTimeField;
    Query1DSDesigner3: TStringField;
    Query1DSDesigner4: TStringField;
    Query1DSDesigner5: TStringField;
    Query1DSDesigner6: TIntegerField;
    Query1DSDesigner7: TBCDField;
    Query1DSDesigner8: TBCDField;
    Query1DSDesigner9: TStringField;
    Query1DSDesigner10: TStringField;
    Query1DSDesigner11: TDateTimeField;
    Query1DSDesigner12: TStringField;
    Query1DSDesigner13: TBCDField;
    Query1DSDesigner14: TBCDField;
    Query1DSDesigner15: TBCDField;
    Query1DSDesigner16: TStringField;
    Query1DSDesigner17: TStringField;
    Query1DSDesigner18: TStringField;
    Query1DSDesigner19: TStringField;
    Query1DSDesigner20: TStringField;
    Query1DSDesigner21: TStringField;
    Query1DSDesigner22: TDateTimeField;
    Query1DSDesigner23: TStringField;
    Query1DSDesigner24: TDateTimeField;
    Label5: TLabel;
    Label7: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    DBEdit9: TDBEdit;
    DBEdit10: TDBEdit;
    DBEdit11: TDBEdit;
    Panel3: TPanel;
    DBComboBox1: TDBComboBox;
    DBComboBox2: TDBComboBox;
    Query_contract_client: TQuery;
    procedure FormCreate(Sender: TObject);
    procedure FormKeyPress(Sender: TObject; var Key: Char);
    procedure btn_first1Click(Sender: TObject);
    procedure btn_prev1Click(Sender: TObject);
    procedure btn_next1Click(Sender: TObject);
    procedure btn_last1Click(Sender: TObject);
    procedure btn_addnew1Click(Sender: TObject);
    procedure btn_deleteClick(Sender: TObject);
    procedure btn_edit1Click(Sender: TObject);
    procedure btn_save1Click(Sender: TObject);
    procedure btn_cancel1Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button8Click(Sender: TObject);
    procedure Button9Click(Sender: TObject);
    procedure Button10Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBEdit9Exit(Sender: TObject);
    procedure DBEdit10Exit(Sender: TObject);
    procedure PageControl1Change(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    { Private declarations }
      procedure EnableScrollBox(aScrollBox : TScrollBox);
    procedure DisableScrollBox(aScrollBox : TScrollBox);
    procedure DisableBtn;
    //定义过程，用来使某些按钮失效
    procedure EnableBtn;
    //定义过程，用来使某些按钮有效

  public
    { Public declarations }
  end;

var
  Form_cjyfk: TForm_cjyfk;

implementation

uses search, Unit_wxp, rp_cjyfk, Unit_public_jin;

{$R *.dfm}



procedure TForm_cjyfk.EnableScrollBox(aScrollBox : TScrollBox);
var Teller : Integer;
     classname1, classnameshort:string;
     ClassRef: TClass;
begin
   with aScrollBox do
  begin
    For Teller := 0 to aScrollBox.ControlCount -1 do //.ControlCount - 1 do
    begin
      ClassRef :=aScrollBox.Controls[ Teller ].ClassType; //控件类型
      classname1 :=aScrollBox.Controls[ Teller ].ClassName;
      if ClassRef <> nil then
      begin
       if classname1 = 'TDBEdit' then  aScrollBox.Controls[ Teller ].Enabled:= true;
       if classname1 = 'TDBRadioGroup' then aScrollBox.Controls[ Teller ].Enabled:= true;
       if classname1 = 'TDBMemo' then  aScrollBox.Controls[ Teller ].Enabled:= true;
       if classname1 = 'TDBComboBox' then  aScrollBox.Controls[ Teller ].Enabled:= true;
      end;
    end;
  end;
end;



procedure TForm_cjyfk.DisableScrollBox(aScrollBox : TScrollBox);
 var Teller : Integer;
     classname1, classnameshort:string;
     ClassRef: TClass;
begin
   with aScrollBox do
  begin
    For Teller := 0 to aScrollBox.ControlCount -1 do //.ControlCount - 1 do
    begin
      ClassRef :=aScrollBox.Controls[ Teller ].ClassType; //控件类型
      classname1 :=aScrollBox.Controls[ Teller ].ClassName;
      if ClassRef <> nil then
      begin
       if classname1 = 'TDBEdit' then  aScrollBox.Controls[ Teller ].Enabled:= false;
       if classname1 = 'TDBRadioGroup' then aScrollBox.Controls[ Teller ].Enabled:= false;
       if classname1 = 'TDBMemo' then  aScrollBox.Controls[ Teller ].Enabled:= false;
       if classname1 = 'TDBComboBox' then  aScrollBox.Controls[ Teller ].Enabled:= false;

      end;
    end;
  end;
end;
procedure TForm_cjyfk.EnableBtn ;
begin


    btn_first1.Enabled :=true;
    btn_prev1.Enabled :=true;
    btn_next1.Enabled :=true;
    btn_last1.Enabled :=true;

    btn_addnew1.Enabled :=true;
    btn_edit1.Enabled :=true;

end;

procedure TForm_cjyfk.DisableBtn ;
begin
   

    btn_first1.Enabled :=false;
    btn_prev1.Enabled :=false;
    btn_next1.Enabled :=false;
    btn_last1.Enabled :=false;


    btn_addnew1.Enabled :=false;
    btn_edit1.Enabled :=false;

end;


procedure TForm_cjyfk.FormCreate(Sender: TObject);
begin
   self.Query1.Open;
   Form_cjyfk.KeyPreview := true;
   DisableScrollBox(ScrollBox);
   unit_public_jin.Setcolor(ScrollBox);
   ////
    //////// ///////////////////
  //机型 FROM std_machine
  with Query_contract_client  do
  begin
    if active then close;
    unprepare;
    sql.Clear;
    sql.Add('select distinct 机型 FROM std_machine ');
    prepare;
    open;
    DBComboBox2.Items.Clear;
    while not eof do
    begin
      DBComboBox2.Items.Add(fieldbyname('机型').AsString);
      next;
    end;
  end;
  ////////////////////
   //////// ///////////////////
  //hetong hao
  with Query_contract_client  do
  begin
    if active then close;
    unprepare;
    sql.Clear;
    sql.Add('select distinct 合同号  from pub_z_contract');
    prepare;
    open;
    DBComboBox1.Items.Clear;
    while not eof do
    begin
      DBComboBox1.Items.Add(fieldbyname('合同号').AsString);
      next;
    end;
  end;
  ////////////////////
   ///


end;

procedure TForm_cjyfk.FormKeyPress(Sender: TObject; var Key: Char);
begin
if Key = #13 then
    begin
      Key := #0;
      Perform(WM_NEXTDLGCTL, 0, 0);
    end;
end;

procedure TForm_cjyfk.btn_first1Click(Sender: TObject);
begin
self.Query1.First;
end;

procedure TForm_cjyfk.btn_prev1Click(Sender: TObject);
begin

if not self.Query1.Bof then
self.Query1.Prior;
end;

procedure TForm_cjyfk.btn_next1Click(Sender: TObject);
begin
if not self.Query1.Eof then
self.Query1.Next;
end;

procedure TForm_cjyfk.btn_last1Click(Sender: TObject);
begin
self.Query1.Last;
end;

procedure TForm_cjyfk.btn_addnew1Click(Sender: TObject);
begin

        EnableScrollBox(ScrollBox);
        self.DBEdit11.Enabled:=false;

        DisableBtn;
        self.Query1.Append ;

        btn_save1.Enabled :=true;
        btn_cancel1.Enabled :=true;
        DBEdit1.SetFocus;
end;

procedure TForm_cjyfk.btn_deleteClick(Sender: TObject);
begin
if application.MessageBox(pchar('确信要删除这条记录嘛？'),
        pchar('注意'),MB_OKCANCEL)=IDOK then
        self.Query1.Delete
end;

procedure TForm_cjyfk.btn_edit1Click(Sender: TObject);
begin
  EnableScrollBox(ScrollBox);
        DisableBtn;
        self.query1.Edit ;

        btn_save1.Enabled :=true;
        btn_cancel1.Enabled :=true;
       // btn_save.Enabled :=true;
        //btn_cancel.Enabled :=true;
end;

procedure TForm_cjyfk.btn_save1Click(Sender: TObject);
begin
 self.Query1.post ;
        //self.Query2.Query_contract_machine.ApplyUpdates ;
        btn_save1.Enabled :=false;
        btn_cancel1.Enabled :=false;
        //锁住所有文本框
        //LockEdit;
        EnableScrollBox(ScrollBox);
        //使按钮有效
        EnableBtn ;

        btn_addnew1.Enabled :=true;
        btn_edit1.Enabled :=true;

      
end;

procedure TForm_cjyfk.btn_cancel1Click(Sender: TObject);
begin
self.Query1.Cancel ;
      EnableBtn;
      //LockEdit;
      DisableScrollBox(ScrollBox);
    
      btn_cancel1.Enabled :=false;
      btn_save1.Enabled :=false;
end;

procedure TForm_cjyfk.Button1Click(Sender: TObject);
begin
self.Close;
end;

procedure TForm_cjyfk.Button8Click(Sender: TObject);
begin
        Application.CreateForm(TForm_search, Form_search);
        form_search.TransADO :=self.Query1 ;
        unit_wxp.WhichForm := 204 ;
        form_search.Showmodal ;
end;

procedure TForm_cjyfk.Button9Click(Sender: TObject);
begin
 self.Query1.Active :=false;
     self.Query1.SQL.Clear ;
     self.Query1.SQL.Add('select * from pub_z_machine_outpay ');
     self.Query1.Active :=true;
     unit_wxp.FinalSql:= 'select * from pub_z_machine_outpay ';
end;

procedure TForm_cjyfk.Button10Click(Sender: TObject);
begin
Application.CreateForm(TQRpt_cjyfk, QRpt_cjyfk);
     QRpt_cjyfk.Query1.Active :=false;
     QRpt_cjyfk.Query1.SQL.Clear ;
     QRpt_cjyfk.Query1.SQL.Add(unit_wxp.FinalSql );
     QRpt_cjyfk.Query1.Active :=true;
     QRpt_cjyfk.Preview ;
     QRpt_cjyfk.Free ;
end;

procedure TForm_cjyfk.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action:=cafree ;
end;

procedure TForm_cjyfk.DBEdit9Exit(Sender: TObject);
var all:double;
begin
if (self.dbedit9.text<>'' ) and (self.dbedit10.text<>'' ) then
  begin
  all:=strtoint(self.DBEdit9.text)* strtofloat(self.DBEdit10.Text);
  self.DBEdit11.Text:= floattostr(all);
  end;

end;

procedure TForm_cjyfk.DBEdit10Exit(Sender: TObject);
var all:double;
begin
if (self.dbedit9.text<>'' ) and (self.dbedit10.text<>'' ) then
  begin
   all:=strtofloat(self.DBEdit9.text)* strtofloat(self.DBEdit10.Text);
   DBEdit11.Text:=floattostr(all);

  end;

end;

procedure TForm_cjyfk.PageControl1Change(Sender: TObject);
begin
  self.VertScrollBar.Position:=0;
end;

procedure TForm_cjyfk.FormDestroy(Sender: TObject);
begin
Form_cjyfk:=nil;
end;

end.