unit_readadd.pas

图书管理系统。可以实现简单的图书管理

unit Unit_readadd;

interface

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

type
  Treaderadd = class(TForm)
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    BitBtn1: TBitBtn;
    Edit1: TEdit;
    Edit2: TEdit;
    ComboBox1: TComboBox;
    ComboBox2: TComboBox;
    Edit3: TEdit;
    Edit4: TEdit;
    procedure BitBtn1Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
    procedure ComboBox2KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  readeradd: Treaderadd;

implementation

{$R *.dfm}

procedure Treaderadd.BitBtn1Click(Sender: TObject);
begin
with datamodule1.adotable2 do
 begin
   append;
   edit;
  fieldbyname('借阅证号').asstring:=trim(edit1.text) ;
  fieldbyname('读者姓名').asstring:=trim(edit2.text) ;
  fieldbyname('联系方式').asstring:=trim(edit3.text) ;
  fieldbyname('单位').asstring:=trim(edit4.text) ;
  fieldbyname('性别').asstring:=trim(combobox1.text) ;
  fieldbyname('级别').asstring:=trim(combobox2.text) ;
  fieldbyname('总罚金').asfloat:=0.0;
  fieldbyname('上次未交罚金').asfloat:=0.0 ;
  post;
  BitBtn1.Enabled:=false;
 end;
end;

procedure Treaderadd.FormShow(Sender: TObject);
begin
BitBtn1.Enabled:=false;
 with dbgrid1 do
 begin
 font.Charset:=gb2312_charset;
 titlefont.Charset:=gb2312_charset;
 font.Size:=9;
 font.Name:='宋体';
 titlefont.Size:=10;
 titlefont.Name:='楷体_gb2312' ;
 titlefont.style:=[fsitalic]+[fsbold];
  titlefont.Color:= clpurple;
 //columns[0].Title.caption:='wqeweer' ;
 //columns[3].Title.alignment:=tacenter;
  //columns[3].FieldName:='借阅证号';
  //设置各列的宽度固定,不能拉动 ；设置dbgrid1的全部数据只读。
  options:=[dgtitles,dgindicator,dgcollines,dgrowlines,dgtabs,dgconfirmdelete,dgcancelonexit];

 end;
end;

procedure Treaderadd.Edit1Change(Sender: TObject);
begin
BitBtn1.Enabled:=true;
end;

procedure Treaderadd.ComboBox2KeyPress(Sender: TObject; var Key: Char);
begin
if key=#13 then
combobox2.Items.add(combobox2.Text);
end;

end.