unit4.pas

DELPHI7.0+SQL2005环境下开发 2008年8月假期所写

unit Unit4;
//员工管理
interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, StdCtrls, Buttons, DB, Mask;

type
  Tfrm_yggl = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Memo1: TMemo;
    Label8: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    ComboBox1: TComboBox;
    Button1: TButton;
    Button2: TButton;
    MaskEdit1: TMaskEdit;
    Edit5: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frm_yggl: Tfrm_yggl;

implementation

uses Unit13;

{$R *.dfm}
//-----------------------------添加按钮-----------------//
procedure Tfrm_yggl.Button1Click(Sender: TObject);
begin
if Edit1.Text ='' then
begin
  MessageBox(handle,'员工号不能为空!','警告',MB_OK+MB_ICONWARNING);
  Edit1.SetFocus ;
  exit;
end;
if Edit2.Text ='' then
begin
  MessageBox(handle,'员工姓名不能为空!','警告',MB_OK+MB_ICONWARNING);
  Edit2.SetFocus ;
  exit;
end;
try
  with data1.ADO_yggl do
    begin
      close;
      sql.Clear;
      sql.Add('insert 员工管理 values (:a,:b,:c,:d,:e,:f,:g,:h)');
      parameters.ParamByName('a').Value:=trim(edit1.Text);
      parameters.ParamByName('b').Value:=trim(edit2.Text);
      parameters.ParamByName('c').Value:=trim(combobox1.Text);
      parameters.ParamByName('d').Value:=trim(edit3.Text);
      parameters.ParamByName('e').Value:=trim(maskedit1.Text);
      parameters.ParamByName('f').Value:=trim(edit4.Text);
      parameters.ParamByName('g').Value:=trim(edit5.Text);
      parameters.ParamByName('h').Value:=trim(memo1.Text);
      execsql;
    end;
    application.MessageBox('添加成功','提示',64);
except
  application.MessageBox('员工信息已存在','提示',64);
end;
end;
//------------------------取消事件--------------------//
procedure Tfrm_yggl.Button2Click(Sender: TObject);
begin
close;
end;
//-------------------------限制员工号只能为数字------------//
procedure Tfrm_yggl.Edit1KeyPress(Sender: TObject; var Key: Char);      //员工号只能为数字
begin
if not(key in['0'..'9',#8])then
begin
  key:=#0;
  application.MessageBox('员工号只能为数字','提示',64);
end;
end;


end.