unit3.pas

这是本人网络数据库实习的程序,编程语言选择DELPHI7.0,完全个人编写.本程序一些界面还不够完善,功能不大,还有很多地方需要改进,望有兴趣的朋友一起探讨或通过电子邮箱与我联系!

unit Unit3;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, ADODB, StdCtrls;

type
  Tregester = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Button1: TButton;
    Button2: TButton;
    Label7: TLabel;
    Edit6: TEdit;
    Label8: TLabel;
    Label9: TLabel;
    Edit7: TEdit;
    ComboBox1: TComboBox;
    Label3: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  regester: Tregester;

implementation
  uses unit1;
{$R *.dfm}

procedure Tregester.Button1Click(Sender: TObject);
begin
  close;
  login.Show;
end;

procedure Tregester.Button2Click(Sender: TObject);
var
  right:boolean;
begin
  right:=true;
  login.adotable1.First;
  while not login.adotable1.Eof do
    begin
    if login.adotable1.FieldByName('用户名').AsString=edit1.Text then
      begin
      application.MessageBox('该用户名已存在,请重新输入!','输入错误',0);
      right:=false;
      edit1.SetFocus;
      end;
    login.adotable1.Next;
    end;
  if strtoint(edit2.Text)=strtoint(edit7.Text) then
    begin
    if right then
      begin
      login.adotable1.Open;
      login.adotable1.Append;
      login.adotable1.FieldByName('用户名').AsString:=edit1.Text;
      login.adotable1.FieldByName('密码').AsString:=edit2.Text;
      login.ADOTable1.FieldByName('性别').AsString:=combobox1.Text; 
      login.adotable1.FieldByName('权限').AsString:='普通用户';
      login.adotable1.FieldByName('出生日期').AsString:=edit3.Text;
      login.adotable1.FieldByName('家庭住址').AsString:=edit4.Text;
      login.adotable1.FieldByName('联系方式').AsString:=edit5.Text;
      login.adotable1.FieldByName('电子邮箱').AsString:=edit6.Text;
      login.adotable1.Post;
      login.adotable1.Close;
      application.MessageBox('注册成功!请返回重新登录!','操作提示',0);
      regester.Close;
      login.ADOTable1.Close;
      login.ADOTable1.Open;
      login.Show;
      end;
    end
  else
    begin
    application.MessageBox('输入密码不相同,请重新输入!!','输入错误',0);
    edit7.Text:='';
    edit2.SetFocus; 
    end;
end;

end.