jh_th_unit.pas

这是我照着书做的一个销售管理系统,内容不难,很简单,但是对于我这个菜鸟来说已经很不错了

unit jh_th_unit;

interface

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

type
  Tjh_th_form = class(TForm)
    GroupBox1: TGroupBox;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    SpeedButton10: TSpeedButton;
    SpeedButton11: TSpeedButton;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    DateTimePicker1: TDateTimePicker;
    Edit30: TEdit;
    Edit31: TEdit;
    Edit32: TEdit;
    Edit33: TEdit;
    Edit34: TEdit;
    GroupBox2: TGroupBox;
    Label8: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    Label16: TLabel;
    SpeedButton5: TSpeedButton;
    Edit8: TEdit;
    Edit9: TEdit;
    Edit10: TEdit;
    Edit11: TEdit;
    Edit12: TEdit;
    Edit13: TEdit;
    Edit14: TEdit;
    Edit6: TEdit;
    Edit7: TEdit;
    Edit29: TEdit;
    StatusBar1: TStatusBar;
    GroupBox6: TGroupBox;
    SpeedButton15: TSpeedButton;
    SpeedButton16: TSpeedButton;
    SpeedButton17: TSpeedButton;
    SpeedButton18: TSpeedButton;
    SpeedButton19: TSpeedButton;
    LV: TListView;
    QryTemp: TADOQuery;
    procedure SpeedButton18Click(Sender: TObject);
    procedure SpeedButton15Click(Sender: TObject);
    procedure SpeedButton17Click(Sender: TObject);
    procedure SpeedButton16Click(Sender: TObject);
    procedure SpeedButton19Click(Sender: TObject);
    procedure Edit2KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit3KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit4KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit5KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit13KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit14KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure SpeedButton10Click(Sender: TObject);
    procedure SpeedButton11Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  jh_th_form: Tjh_th_form;

implementation

uses data_unit, jh_jhd_find_unit, jh_ghs_find_unit, jh_yg_find_unit,
  jh_sp_find_unit, jh_th_find_unit, main_unit;

{$R *.dfm}

procedure Tjh_th_form.SpeedButton18Click(Sender: TObject);
begin
  close;
end;

procedure Tjh_th_form.SpeedButton15Click(Sender: TObject);
var
  SqlStr: string;
  ValueArray: array of string;
  ArrayCount: Integer;
begin
  try
    if Edit2.text = '' then
    begin
      showmessage('退货单号为空，请填写');
      Edit2.SetFocus;
      Exit;
    end;

    if Edit6.text = '' then
    begin
      showmessage('商品编码为空，请填写');
      Edit6.SetFocus;
      Exit;
    end;

    edit29.Text := floattostr(strtofloat(edit13.Text) *
      strtofloat(edit14.Text));
    edit30.Text := formatdatetime('yy-mm-dd', datetimepicker1.date);
    edit33.Text := formatdatetime('MM-dd-yy', datetimepicker1.date);
    //退货单信息的录入
    SqlStr :=
      'insert into jhthd(录单日期,单据编码,供货商名称,经手人,备注,商品简码,商品编码,商品名称,类别,规格,型号,单位,参考单价,数量,金额) values(';
    //通过函数InsStr把sql语句连接起来。组成一个完成的sql语句，通过ExceSql来完成添加操作。当增加操作失误时，返回事务处理。
    FRMMAIN.InsStr(SqlStr, edit30.Text, ',');
    FRMMAIN.InsStr(SqlStr, edit2.text, ',');
    FRMMAIN.InsStr(SqlStr, edit3.text, ',');
    FRMMAIN.InsStr(SqlStr, edit4.Text, ',');
    FRMMAIN.InsStr(SqlStr, edit5.text, ',');
    FRMMAIN.InsStr(SqlStr, edit6.Text, ',');
    FRMMAIN.InsStr(SqlStr, edit7.text, ',');
    FRMMAIN.InsStr(SqlStr, edit8.text, ',');
    FRMMAIN.InsStr(SqlStr, edit9.text, ',');
    FRMMAIN.InsStr(SqlStr, edit10.text, ',');
    FRMMAIN.InsStr(SqlStr, edit11.text, ',');
    FRMMAIN.InsStr(SqlStr, edit12.text, ',');
    FRMMAIN.InsStr(SqlStr, edit13.text, ',');
    FRMMAIN.InsStr(SqlStr, edit14.text, ',');
    FRMMAIN.InsStr(SqlStr, edit29.text, '');

    //通过ExecSQL来完成修改和增加操作。若是错误，提醒用户，并且返回事务处理
    if FRMMAIN.ExecSQL(SqlStr) then
    else
    begin
      ShowMessage('对不起，进货单插入记录失败，请检查!');
      exit;
    end;
    QryTemp.Close;
    QryTemp.SQL.Text:='Select Max(编号) From xsfk';
    QryTemp.Open;
    Edit31.Text:=QryTemp.FieldByName('编号').AsString;

    SetLength(ValueArray,12);
    ValueArray[0] := edit2.text;
    ValueArray[1] := edit30.text;
    ValueArray[2] := edit3.text;
    ValueArray[3] := edit4.text;
    ValueArray[4] := edit5.text;
    ValueArray[5] := edit6.Text;
    ValueArray[6] := edit7.text;
    ValueArray[7] := edit8.text;
    ValueArray[8] := edit9.text;
    ValueArray[9] := edit10.text;
    ValueArray[10] := edit11.text;
    ValueArray[11] := edit12.text;

    ArrayCount := 11;
    FrmMain.AddListView(ValueArray, ArrayCount, lv);

  except
    showmessage('数据操作错误，请检查');
    Exit;
  end;

end;

procedure Tjh_th_form.SpeedButton17Click(Sender: TObject);
begin
  if lv.Items.Count = 0 then
  begin
    ShowMessage('记录集为空,不能够删除');
    exit;
  end;

  if LV.SelCount = 0 then
  begin
    ShowMessage('请选中一条要删除的记录');
    exit;
  end;

  if MessageDlg('是否删除所选中的记录,请确定', mtConfirmation, [mbYes, mbNo], 0)
    = mrYes then
  begin
    if FrmMain.ExecSQL('delete from jhthd where 编号=''' + edit31.Text + '''') then
    else
    begin
      ShowMessage('删除记录时操作失误,记录未删除,请检查');
      exit;
    end;
  end;
  LV.Selected.Delete;

end;

procedure Tjh_th_form.SpeedButton16Click(Sender: TObject);
begin
  jh_th_find_form := Tjh_th_find_form.create(application);
  jh_th_find_form.show;

end;

procedure Tjh_th_form.SpeedButton19Click(Sender: TObject);
begin
  with database do
  begin
    adoq1.Connection := adoc;
    adoq1.SQL.Clear;
    adoq1.SQL.Add('select 单据编码,录单日期,供货商名称,经手人,备注,商品简码,商品编码,商品名称,类别,规格,型号,单位 from jhthd order by 编号');
    adoq1.Active := true;
    FrmMain.AddData(LV,AdoQ1);
    statusbar1.Panels[1].Text := inttostr(adoq1.Recordset.RecordCount);
  end;

end;

procedure Tjh_th_form.Edit2KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    edit3.SetFocus;
end;

procedure Tjh_th_form.Edit3KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    speedbutton10click(nil);
end;

procedure Tjh_th_form.Edit4KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    speedbutton11click(nil);

end;

procedure Tjh_th_form.Edit5KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    edit6.SetFocus;
end;

procedure Tjh_th_form.Edit13KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    edit14.SetFocus;

end;

procedure Tjh_th_form.Edit14KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    speedbutton15click(nil);
end;

procedure Tjh_th_form.SpeedButton10Click(Sender: TObject);
begin
  jh_ghs_find_form := Tjh_ghs_find_form.create(application);
  jh_ghs_find_form.show;
  jh_ghs_find_form.DBGrid1.Visible := false;
  jh_ghs_find_form.DBGrid2.Visible := true;
end;

procedure Tjh_th_form.SpeedButton11Click(Sender: TObject);
begin
  jh_yg_find_form := Tjh_yg_find_form.create(application);
  jh_yg_find_form.show;
  jh_yg_find_form.DBGrid1.Visible := false;
  jh_yg_find_form.DBGrid2.Visible := false;
  jh_yg_find_form.DBGrid3.Visible := false;
  jh_yg_find_form.DBGrid4.Visible := false;
  jh_yg_find_form.DBGrid5.Visible := true;
  jh_yg_find_form.DBGrid6.Visible := false;

end;

procedure Tjh_th_form.SpeedButton5Click(Sender: TObject);
begin
  jh_sp_find_form := Tjh_sp_find_form.create(application);
  jh_sp_find_form.show;
  jh_sp_find_form.DBGrid1.Visible := false;
  jh_sp_find_form.DBGrid2.Visible := true;
  jh_sp_find_form.DBGrid3.Visible := false;
  jh_sp_find_form.DBGrid4.Visible := false;

end;

procedure Tjh_th_form.FormCreate(Sender: TObject);
begin
  self.Top := 74;
  self.Left := 11;
  self.Height := 491;
  self.Width := 767;
  datetimepicker1.date := date;

end;

end.