unit2.pas

用Delphi写的学生信息管理系统的源代码

unit Unit2;

interface

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

type
  Tjbxxlr = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    jbxxlr: TGroupBox;
    Label9: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit5: TEdit;
    Edit6: TEdit;
    Edit7: TEdit;
    Edit8: TEdit;
    Edit9: TEdit;
    Edit10: TEdit;
    Edit11: TEdit;
    Edit12: TEdit;
    Label12: TLabel;
    Label13: TLabel;
    Edit13: TEdit;
    Edit14: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Label3: TLabel;
    Edit3: TEdit;
    StatusBar1: TStatusBar;
    ADOQuery1: TADOQuery;
    ComboBox1: TComboBox;
    Label14: TLabel;
    Image1: TImage;
    DateTimePicker1: TDateTimePicker;
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit13KeyPress(Sender: TObject; var Key: Char);
   
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  jbxxlr: Tjbxxlr;

implementation
uses unit1;
{$R *.dfm}



procedure Tjbxxlr.Button3Click(Sender: TObject);
begin
self.Close;
end;

procedure Tjbxxlr.Button2Click(Sender: TObject);
begin
edit1.Text:='';
edit2.Text:='';
edit3.Text:='';
edit5.Text:='';
edit6.Text:='';
edit6.Text:='';
edit7.Text:='';
edit8.Text:='';
edit9.Text:='';
edit10.Text:='';
edit11.Text:='';
edit12.Text:='';
edit13.Text:='';
edit14.Text:='';
end;

procedure Tjbxxlr.Button1Click(Sender: TObject);
var
 sqlstr:string;
begin
  begin
  sqlstr:='select *from t_information';
  Adoquery1.Close;
  ADOquery1.SQL.Clear;
  ADOquery1.SQL.Add(sqlstr);
  ADOquery1.Open;
  end;
if(edit1.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
  end;
 if(edit2.Text='')then
  begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
  end;
 if(edit3.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit5.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit6.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit7.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit8.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit9.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit10.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit11.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit12.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit13.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 if(edit14.Text='')then
 begin
  application.MessageBox('下面输入内容不能为空','错误提示',0+64);
  exit;
 end;
 with ADOquery1 do
 begin
   append;
   fieldvalues['学号']:=edit1.Text;
   fieldvalues['姓名']:=edit2.Text;
   fieldvalues['性别']:=ComboBox1.Text;
   fieldvalues['学制']:=edit3.Text;
   fieldvalues['出生年月']:=datetimepicker1.Time;
   fieldvalues['民族']:=edit5.Text;
   fieldvalues['籍贯']:=edit6.Text;
   fieldvalues['所在系别']:=edit7.Text;
   fieldvalues['所在班级']:=edit8.Text;
   fieldvalues['所学专业']:=edit9.Text;
   fieldvalues['政治面貌']:=edit10.Text;
   fieldvalues['入学时间']:=edit11.Text;
   fieldvalues['家庭住址']:=edit12.Text;
   fieldvalues['邮政编码']:=edit13.Text;
   fieldvalues['联系电话']:=edit14.Text;

     try
      post;
    except
      Application.MessageBox('学号重复，请重新输入！','警告',0+64);
      delete;
      edit1.SetFocus;
      edit1.SelectAll;
      exit;
 end;
end;
end;
procedure Tjbxxlr.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
 if not (key in['0'..'9',#8])then
   begin
   key:=#0;
   Application.MessageBox('学号只能填写数字','警告',0+64)
   end;
end;

procedure Tjbxxlr.Edit13KeyPress(Sender: TObject; var Key: Char);
begin
 if not (key in['0'..'9',#8])then
   begin
   key:=#0;
   Application.MessageBox('邮政编码只能有数字','警告',0+64)
   end;
end;

end.