juan_ren.~pas

品质管理系统：delphi+sql实现了制造企业在生产过程中对产品质量的控制

unit juan_ren;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Mask, DBCtrls, Buttons, ExtCtrls, DB, DBTables, Grids,
  DBGrids;

type
  Tjuan_re = class(TForm)
    Label1: TLabel;
    DBEdit1: TDBEdit;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    Label4: TLabel;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBNavigator1: TDBNavigator;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    Table1: TTable;
    DataSource1: TDataSource;
    SpeedButton4: TSpeedButton;
    Label5: TLabel;
    Query1: TQuery;
    DBGrid1: TDBGrid;
    Label7: TLabel;
    DBComboBox1: TDBComboBox;
    Query2: TQuery;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Table1AfterScroll(DataSet: TDataSet);
    procedure DBEdit1KeyPress(Sender: TObject; var Key: Char);
    procedure DBEdit2KeyPress(Sender: TObject; var Key: Char);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure DBEdit1Exit(Sender: TObject);
    procedure DBComboBox1KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  juan_re: Tjuan_re;

implementation

{$R *.dfm}

procedure Tjuan_re.FormClose(Sender: TObject; var Action: TCloseAction);
begin
action:=cafree;
end;

procedure Tjuan_re.SpeedButton2Click(Sender: TObject);
begin
close;
end;

procedure Tjuan_re.SpeedButton4Click(Sender: TObject);
begin
table1.Last;
table1.Append;
table1.Edit;
table1.FieldByName('juan_ren_no').AsString:='';
table1.FieldByName('juan_ren_name').AsString:='';
table1.FieldByName('made_date').AsDateTime:=date;
table1.FieldByName('made_ren').AsString:=label5.Caption;
dbedit1.SetFocus;
begin
dbedit1.ReadOnly:=false;
dbedit2.ReadOnly:=false;
bitbtn1.Enabled:=true;
dbcombobox1.ReadOnly:=false;

end;



end;

procedure Tjuan_re.FormCreate(Sender: TObject);
begin
label5.Visible:=false;
bitbtn1.Enabled:=false;

query2.Close;
query2.SQL.Clear;
query2.SQL.Add('select * from biao_zheng_chan_liang');
query2.Open;
while not query2.Eof do begin
dbComboBox1.Items.Add(query2.FieldByName('juan_ren_name').AsString);
query2.Next;
end;

end;

procedure Tjuan_re.Table1AfterScroll(DataSet: TDataSet);
begin
dbedit1.ReadOnly:=true;
dbedit2.ReadOnly:=true;
dbcombobox1.ReadOnly:=true;
end;

procedure Tjuan_re.DBEdit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select juan_ren_no from juan_ren where juan_ren_no=:kk');
query1.ParamByName('kk').AsString:=dbedit1.Text;
query1.Prepare;
query1.Active:=true;
if query1.FieldByName('juan_ren_no').AsString=dbedit1.Text then
 begin
showmessage('浪喷