ubjxx.pas

学生信息管理系统

unit UBjxx;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, UData, PrnDbgeh, DB, ADODB, ActnList, Grids, DBGridEh, ExtCtrls,
  ComCtrls, ToolWin, StdCtrls, Mask, DBCtrlsEh;

type
  TFBjxx = class(TFData)
    Label5: TLabel;
    Label1: TLabel;
    DBEh_xm: TDBEditEh;
    Shape2: TShape;
    ADOQueryID: TAutoIncField;
    ADOQuerybj: TWideStringField;
    procedure A_addExecute(Sender: TObject);
    procedure A_saveExecute(Sender: TObject);
    procedure DBEh_xmKeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FBjxx: TFBjxx;

implementation

uses UPublic;

{$R *.dfm}

procedure TFBjxx.A_addExecute(Sender: TObject);
begin
  inherited;
  DBEh_xm.SetFocus;
end;

procedure TFBjxx.A_saveExecute(Sender: TObject);
var
  abj: string;
  i,j,k: integer;
begin
    if trim(DBEh_xm.Text)='' then begin
      ask('班级不能为空，请输入!','提示',MB_INFO);
      DBEh_xm.SetFocus;
      exit;
    end;
    //读取班级，
    abj := trim(DBEh_xm.text);
    j := 999; k := 999;
    for i := 1 to length(abj) do
    if abj[i] in['0'..'9'] then begin
        if j = 999 then j := i
        else k :=i;
    end;
    if (j=999)then begin
      Ask('班级输入不对，出错!','出错',MB_STOP);
      exit;
    end;
    if k<>999 then
      abj := copy(abj,1,4)+'（'+inttostr(j)+inttostr(k)+'）'
    else  abj := copy(abj,1,4)+'（'+inttostr(j)+'）';

    ADOQuery.FieldByName('bj').AsString := abj;
    inherited;
end;

procedure TFBjxx.DBEh_xmKeyPress(Sender: TObject; var Key: Char);
begin
  if key=#13 then Tool_save.Click;
end;

end.