kh_th_find_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 kh_th_find_unit;

interface

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

type
  Tkh_th_find_form = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    ComboBox1: TComboBox;
    ComboBox2: TComboBox;
    Edit1: TEdit;
    StatusBar1: TStatusBar;
    DBGrid1: TDBGrid;
    procedure SpeedButton1Click(Sender: TObject);
    procedure DBGrid1DblClick(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  kh_th_find_form: Tkh_th_find_form;

implementation

uses data_unit, khth_unit, khzl_unit;

{$R *.dfm}

procedure Tkh_th_find_form.SpeedButton1Click(Sender: TObject);
begin
with database do
begin
adoq3.Connection :=adoc;
adoq3.SQL.Clear;
case combobox1.ItemIndex of
   0:
    begin
     case combobox2.ItemIndex of
      0:
        begin
            adoq3.SQL.Add('select * from khzl where 客户编码=:ygbm');
            adoq3.Parameters.ParamByName('ygbm').Value :=edit1.Text;
         end;
       1:
         begin
          adoq3.SQL.Add('select * from khzl where 客户编码 like :ygbm2');
          adoq3.Parameters.ParamByName('ygbm2').Value :=edit1.Text+'%';
         end;
       end;
   end;
  1:
 begin
     case combobox2.ItemIndex of
      0:
        begin
            adoq3.SQL.Add('select * from khzl where 客户名称=:ygmc');
            adoq3.Parameters.ParamByName('ygmc').Value :=edit1.Text;
         end;
       1:
         begin
          adoq3.SQL.Add('select * from khzl where 客户名称 like :ygmc2');
          adoq3.Parameters.ParamByName('ygmc2').Value :=edit1.Text+'%';
         end;
       end;
   end;
  2:
 begin
     case combobox2.ItemIndex of
      0:
        begin
            adoq3.SQL.Add('select * from khzl where 拼音简码=:ygjm');
            adoq3.Parameters.ParamByName('ygjm').Value :=edit1.Text;
         end;
       1:
         begin
          adoq3.SQL.Add('select * from khzl where 拼音简码 like :ygjm2');
          adoq3.Parameters.ParamByName('ygjm2').Value :=edit1.Text+'%';
         end;
       end;
   end
else
    begin
     adoq3.SQL.Clear ;
     adoq3.SQL.Add('select * from khzl order by 客户编码');
  end;
end;
adoq3.Active :=true;
if adoq3.Recordset.RecordCount >0 then
if adoq3.Recordset.RecordCount <2 then
begin
datas2.DataSet :=nil;
datas2.DataSet :=adoq3;
self.Hide ;
//yg_form.DBGrid1.DataSource:=datas2;
//yg_form.statusbar1.Panels[1].Text :=inttostr(adoq3.Recordset.RecordCount);
end
else
showmessage('请正确选择记录!');
end;

end;

procedure Tkh_th_find_form.DBGrid1DblClick(Sender: TObject);
begin
if dbgrid1.DataSource.DataSet.RecordCount>0 then
begin
khth_form.Edit3.Text:=dbgrid1.DataSource.DataSet.FieldValues['客户名称'];
khth_form.edit4.SetFocus ;
self.Hide ;
end
else
showmessage('无此记录!');

end;

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

procedure Tkh_th_find_form.SpeedButton3Click(Sender: TObject);
begin
khzl_form:=Tkhzl_form.Create(application);
khzl_form.Show;
end;

procedure Tkh_th_find_form.FormCreate(Sender: TObject);
begin
self.Top :=150;
self.Left :=30;
self.Height :=300;
self.Width :=703;
self.DBGrid1.Visible :=true;
with database do
begin
adoq1.Connection :=adoc;
adoq1.SQL.Clear ;
adoq1.SQL.Add('select * from khzl ');
adoq1.active:=true;
statusbar1.Panels[1].Text :=inttostr(adoq1.Recordset.RecordCount);
datas1.DataSet :=adoq1;
dbgrid1.DataSource:=datas1;
end;
end;

end.