cha_xing_jia.~pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit cha_xing_jia;

interface

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

type
  Tcha_xing_ji = class(TForm)
    Query1: TQuery;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    ComboBox1: TComboBox;
    GroupBox1: TGroupBox;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    DBGrid2: TDBGrid;
    Query2: TQuery;
    DataSource2: TDataSource;
    Table1: TTable;
    Table2: TTable;
    Label7: TLabel;
    Label8: TLabel;
    t1: TMaskEdit;
    t2: TMaskEdit;
    procedure ComboBox1KeyPress(Sender: TObject; var Key: Char);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure ComboBox1Click(Sender: TObject);
    procedure DateTimePicker5KeyPress(Sender: TObject; var Key: Char);
    procedure t1KeyPress(Sender: TObject; var Key: Char);
    procedure t2KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  cha_xing_ji: Tcha_xing_ji;

implementation

{$R *.dfm}

procedure Tcha_xing_ji.ComboBox1KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
edit1.SetFocus;
end;

procedure Tcha_xing_ji.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
bitbtn1.SetFocus;
end;

procedure Tcha_xing_ji.BitBtn1Click(Sender: TObject);

begin


case combobox1.ItemIndex of
0:
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Text:='select * from xing_jia_wei_zhu where xing_jia_no=:aa';
query1.ParamByName('aa').AsString:=edit1.Text;
DataSource1.DataSet :=query1;
query1.Prepare;
query1.Active:=true;
end;
1:
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Text:='select * from xing_jia_wei_zhu where qing_gou_no=:bb';
query1.ParamByName('bb').AsString:=edit1.Text;
DataSource1.DataSet :=query1;
query1.Prepare;
query1.Active:=true;
end;
2:
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Text:='select * from xing_jia_wei_zhu where (jiao_ji>=:mm) and (jiao_ji<=:nn)';
query1.ParamByName('mm').AsDateTime:=strtodate(t1.Text);
query1.ParamByName('nn').AsDateTime:=strtodate(t2.Text);
DataSource1.DataSet :=query1;
query1.Prepare;
query1.Active:=true;
end;
3:
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Text:='select * from xing_jia_wei_zhu where gong_shang_no=:cc';
query1.ParamByName('cc').AsString:=edit1.Text;
DataSource1.DataSet :=query1;
query1.Prepare;
query1.Active:=true;
end;

end;
if combobox1.Text='' then
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select * from xing_jia_wei_zhu');
query1.Prepare;
query1.Active:=true;
datasource1.DataSet:=query1;
end;
end;

procedure Tcha_xing_ji.BitBtn2Click(Sender: TObject);
begin
datasource1.DataSet:=table1;
combobox1.Text:='';

edit1.Text:='';
end;

procedure Tcha_xing_ji.FormCreate(Sender: TObject);
begin


combobox1.Text:='';




edit1.Text:='';
t1.Enabled:=false;
t2.Enabled:=false;



end;

procedure Tcha_xing_ji.ComboBox1Click(Sender: TObject);
begin
if combobox1.ItemIndex=2 then
begin

edit1.Enabled:=false;
t1.Enabled:=true;
t2.Enabled:=true;
t1.SetFocus;
end
else
begin


edit1.Enabled:=true;
edit1.SetFocus;
t1.Enabled:=false;
t2.Enabled:=false;
end;
end;

procedure Tcha_xing_ji.DateTimePicker5KeyPress(Sender: TObject;
  var Key: Char);
begin
if key=chr(13) then
begin
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from xing_jia_wei where (jiao_ji>=:kl)and (jiao_ji<=:kp)');
query2.ParamByName('kl').asdatetime:=strtodate(t1.Text);
query2.ParamByName('kp').asdatetime:=strtodate(t2.Text);
query2.Prepare;
query2.Active:=true;
datasource2.DataSet:=query2;
end;
end;

procedure Tcha_xing_ji.t1KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
t2.SetFocus;
end;

procedure Tcha_xing_ji.t2KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select * from xing_jia_wei_zhu where (xing_jia_wei_zhu.xing_jia_date>=:kl)and (xing_jia_wei_zhu.xing_jia_date<=:kp)');
query1.ParamByName('kl').asdatetime:=strtodate(t1.Text);
query1.ParamByName('kp').asdatetime:=strtodate(t2.Text);
query1.Prepare;
query1.Active:=true;
datasource1.DataSet:=query1;
end;
end;

end.