unit20.pas

人寿保险的管理信息系统

unit Unit20;

interface

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

type
  TF_baoper = class(TForm)
    Panel1: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    DBGrid1: TDBGrid;
    Panel2: TPanel;
    Splitter1: TSplitter;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure SpeedButton1Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  F_baoper: TF_baoper;
  change:boolean;
implementation
   uses unit11;
{$R *.dfm}

procedure TF_baoper.SpeedButton1Click(Sender: TObject);
begin
  Speedbutton1.Enabled:=false;
  Speedbutton2.Enabled:=false;
  Speedbutton3.Enabled:=false;
  edit1.Clear;
  edit2.Clear;
  Edit1.Enabled:=true;
  Edit2.Enabled:=true;
  edit1.SetFocus;
  Button1.Enabled:=true;
  Button2.Enabled:=true;
end;

procedure TF_baoper.Button1Click(Sender: TObject);
begin
  if change<>True then
  begin
    mydm.find.Close;
    mydm.find.SQL.Clear;
    mydm.find.SQL.Add('select*from baoper where  baoper_id='''+Trim(Edit1.text)+'''');
    mydm.find.Open;
    if mydm.find.RecordCount>0 then//查找是否有重复记录有则退出
    begin
      Application.MessageBox('编号重复。','提示！',mb_ok);
      Exit;
    end;
  end;
  if ((Edit1.Text<>'') and (Edit2.Text<>'')) then
  begin
    if change=True then mydm.bpsrc.DataSet.Delete;
    with mydm.bpQuery do //插入新记录
    begin
      Close;
      with SQL do
      begin
        Clear;
        Add('insert into baoper values(:p0,:p1)');
        Parameters[0].Value:=Edit1.Text;
        Parameters[1].Value:=Edit2.Text;
      end;
      Execsql;
    end;
  //刷新表
    with mydm.bpQuery do
    begin
      Close;
      with sql do
      begin
        Clear;
        Add('select*from baoper');
      end;
      Open;
      Change:=False;
      Button2.Click;
    end;
  end
  else
  begin
    Application.MessageBox('输入必要信息','提示',64);
    Exit;
  end;
  Edit1.Enabled:=False;
  Edit2.Enabled:=False;
  Speedbutton1.Enabled:=True;
  Speedbutton2.Enabled:=True;
  Speedbutton3.Enabled:=True;
  button1.Enabled:=False;
  button2.Enabled:=False;
end;

procedure TF_baoper.SpeedButton2Click(Sender: TObject);
begin
  Edit1.Clear;
  Edit2.Clear;
  Edit1.Enabled:=True;
  Edit2.Enabled:=True;
  Speedbutton1.Enabled:=False;
  Speedbutton2.Enabled:=False;
  Speedbutton3.Enabled:=False;
  Button1.Enabled:=true;
  Button2.Enabled:=true;

  begin
    Edit1.Text:=mydm.bpsrc.DataSet.Fields[0].AsString;//记录在TEdit组件中显示
    Edit2.Text:=mydm.bpsrc.DataSet.Fields[1].AsString;
  end;

  Change:=True;//定义判断是否为修改状态的全局变量
end;

procedure TF_baoper.SpeedButton3Click(Sender: TObject);
begin
 if Application.MessageBox('是否删除？','提示',mb_yesno)=6 then
  begin
    try
      mydm.bpsrc.DataSet.Delete;
    except//如果删除不成功将弹出以下对会框
      Application.MessageBox('删除不成功!','提示',mb_ok);
    end;
  end;
end;

procedure TF_baoper.Button2Click(Sender: TObject);
begin
  Edit1.Clear;
  Edit2.Clear;
  Edit1.Enabled:=false;
  Edit2.Enabled:=false;
  Button2.Enabled:=false;
  Button1.Enabled:=false;
  Speedbutton1.Enabled:=true;
  Speedbutton2.Enabled:=true;
  Speedbutton3.Enabled:=true;
  change:=False;
end;

procedure TF_baoper.SpeedButton4Click(Sender: TObject);
begin
  Button2.Click;
  Close;
end;

procedure TF_baoper.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
  if Button1.Enabled=True then
  begin
    canclose:=False;
    Application.MessageBox('请点击取消或提交。','提示！',mb_ok)
  end;
end;
end.