khdhxt.~pas

用delphi编写的销售管理系统

unit khdhxt;

interface

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

type
  TForm22 = class(TForm)
    Panel2: TPanel;
    Panel1: TPanel;
    BitBtn3: TBitBtn;
    BitBtn4: TBitBtn;
    BitBtn7: TBitBtn;
    BitBtn8: TBitBtn;
    Image1: TImage;
    Label8: TLabel;
    Label9: TLabel;
    Label1: TLabel;
    Edit4: TEdit;
    Label5: TLabel;
    Edit2: TEdit;
    Label2: TLabel;
    Label7: TLabel;
    Label10: TLabel;
    Label14: TLabel;
    Shape3: TShape;
    Shape4: TShape;
    StringGrid1: TStringGrid;
    DBGrid1: TDBGrid;
    ListBox1: TListBox;
    Panel4: TPanel;
    Label3: TLabel;
    Label4: TLabel;
    Label12: TLabel;
    Label6: TLabel;
    Label15: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Edit8: TEdit;
    Label11: TLabel;
    Label13: TLabel;
    DataSource1: TDataSource;
    Function Isnull : Boolean;
    procedure FormCreate(Sender: TObject);
    Function  JCxmlb : Boolean;//检查项目列表是否有误
    Procedure ClearString;
    Procedure ClearStringEnd;
    Function SumPrice: Real;
    Function FirstIsNull :Boolean;
    Function CurrentIsCf: Boolean;
    Procedure Clear;
    Function EndIsNull :Boolean;
    Function SumSl :Integer;
    Function Kinds :Integer;
    procedure FormShow(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn7Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
    Function AfterIsNull: Boolean;
    procedure BitBtn3MouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure Panel1MouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure StringGrid1KeyPress(Sender: TObject; var Key: Char);
    procedure StringGrid1SelectCell(Sender: TObject; ACol, ARow: Integer;
      var CanSelect: Boolean);
    procedure StringGrid1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit8Exit(Sender: TObject);
    procedure Edit8KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure StringGrid1SetEditText(Sender: TObject; ACol, ARow: Integer;
      const Value: String);
    Procedure SelectSPxx;
    procedure DBGrid1DblClick(Sender: TObject);
    procedure DBGrid1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit2KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure ListBox1DblClick(Sender: TObject);
    procedure ListBox1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit4KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure Edit8KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
        
var
  Form22: TForm22;
  x,y: Integer;
  Ss:Boolean = False ;//判断当焦点在StringGrid1上时是否按回车键
  s1: Boolean = False;//在StringGrid1的OnSetEditText事件中是否执行相关代码，其作用是防止连续出现对话框
  s2: Boolean = False; //在StringGrid1的OnSetEditText事件中是否执行相关代码，其作用是防止删除行时，统计的数量金额错误
implementation
  uses DataModal,spxsgl,kexx1;
{$R *.dfm}

procedure TForm22.FormCreate(Sender: TObject);
begin
  StringGrid1.Cells[0,0]:='        商品编号';
  StringGrid1.Cells[1,0]:='    商品名称';
  StringGrid1.Cells[2,0]:='     数量';
  StringGrid1.Cells[3,0]:='     金额';
  StringGrid1.Cells[4,0]:='    折扣';
  StringGrid1.Cells[5,0]:='     客户编号';
  StringGrid1.Cells[6,0]:='       客户名称';
  StringGrid1.Cells[7,0]:='        订货票号';
  StringGrid1.Cells[8,0]:='      订货日期';
  Label14.Caption := FormatDateTime('yyyy-mm-dd',Now());
end;

procedure TForm22.FormShow(Sender: TObject);
begin
    Label13.Caption := czy;
    ListBox1.Clear;
    with Data.ADOQuery1 do
    begin
      Close;
      SQL.Clear;
      SQL.Add('select Distinct 客户全称 from 客户基础信息表');
      Open;
    end;
    while not Data.ADOQuery1.Eof do
    begin
      ListBox1.Items.Add(Data.ADOQuery1.FieldByName('客户全称').AsString);
      Data.ADOQuery1.Next;
    end;
  Clear;
  BitBtn3.SetFocus;
end;

procedure TForm22.BitBtn3Click(Sender: TObject);
var
  s,m: String;
  i: integer;
begin
  Label14.Caption := FormatDateTime('yyyy-mm-dd',Now());
  s:= 'DP'+ FormatDateTime('yyyymmdd',Now());
  With Data.ADOQuery1 do
  begin
    Close;
    SQL.Clear;
    SQL.Add('select max(订单号) as ss From 订货票号表 ');
    Open;
  end;
  If Data.ADOQuery1.FieldByName('ss').Value = null then
    s := s + '001'
  else
  begin
    m:= Trim(Data.ADOQuery1.FieldByName('ss').Value) ;
    i:= StrToInt(Trim(Copy(m,11,5))) ;
    if i<9 then
      s:= s + '00'+ InttoStr(i +1)
    else if i<99 then
      s:= s + '0'+ InttoStr(i +1)
    else
      s:= s +InttoStr(i +1);
  end;
  Label10.Caption := s;
  if Trim(Edit4.Text)='' then
    Edit4.SetFocus
  else
    Edit2.SetFocus;
end;

procedure TForm22.BitBtn7Click(Sender: TObject);
begin
  Clear;
  BitBtn3.SetFocus;
end;

function TForm22.Isnull: Boolean;
var
  b: integer;
begin
  isNull := False;
  For b := 0 to StringGrid1.ColCount-1 do
  begin
    if StringGrid1.Cells[b,x]='' then
    begin
       Isnull := True;
       break;
    end;
  end;
end;

procedure TForm22.BitBtn4Click(Sender: TObject);
var
  i: Integer;
begin  if Trim(Edit4.Text)<>'' then
  begin
    if JCxmlb = True then
    begin
      Data.ADOConnection1.BeginTrans;
      Try
      with Data.ADOQuery1 do
      begin
        Close;
        SQL.Clear;
        SQL.Add('Insert 订货票号表 values (:a,:b,:c,:d,Default,:e,:f,Default)');
        Parameters.ParamByName('a').Value := Trim(StringGrid1.Cells[7,1]);
        Parameters.ParamByName('b').Value := StrToInt(Label15.Caption);
        Parameters.ParamByName('c').Value := StrToInt(Label16.Caption);
        Parameters.ParamByName('d').Value := StrToFloat(Label17.Caption);
        Parameters.ParamByName('e').Value := Trim(Edit4.Text);
        Parameters.ParamByName('f').Value := Trim(Label13.Caption);
        ExecSQL;
      end;
      For i := 1 to StringGrid1.RowCount-1 do
      begin
        with Data.ADOQuery1 do
        begin
          Close;
          SQL.Clear;
          SQL.Add('Insert 客户订货表 values (:a,:b,:c,:d,:e,:f,:g,:h)');
          Parameters.ParamByName('a').Value := Trim(StringGrid1.Cells[5,i]);
          Parameters.ParamByName('b').Value := Trim(StringGrid1.Cells[6,i]);
          Parameters.ParamByName('c').Value := Trim(StringGrid1.Cells[0,i]);
          Parameters.ParamByName('d').Value := Trim(StringGrid1.Cells[1,i]);
          Parameters.ParamByName('e').Value := StrToInt(StringGrid1.Cells[2,i]);
          Parameters.ParamByName('f').Value := StrToFloat(StringGrid1.Cells[3,i]);
          Parameters.ParamByName('g').Value := StrToFloat(StringGrid1.Cells[4,i]);
          Parameters.ParamByName('h').Value := Trim(StringGrid1.Cells[7,1]);
          ExecSQL;
        end;
      end;
      Data.ADOConnection1.CommitTrans;
      Application.MessageBox('客户订货成功。','提示',64);
      Clear;
      BitBtn3.SetFocus;
      Except
      Data.ADOConnection1.RollbackTrans;
      Application.MessageBox('系统出错。','提示',64);
      Close;
      end;
    end
    else
      Application.MessageBox('项目列表有误！','提示',64);
  end
  Else
  begin
    Application.MessageBox('经手人不能为空。','提示',64);
    Edit4.SetFocus;
  end;
end;

procedure TForm22.BitBtn3MouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  TBitBtn(Sender).Font.Color := clRed;
end;

procedure TForm22.Panel1MouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  BitBtn3.Font.Color := clBlue;
  BitBtn4.Font.Color := clBlue;
  BitBtn7.Font.Color := clBlue;
  BitBtn8.Font.Color := clBlue;
end;

procedure TForm22.StringGrid1KeyPress(Sender: TObject; var Key: Char);
var
  mm: Boolean;
begin
  if y = 2 then
  begin
    mm := (Key <#8)or(Key >#8)and(Key<#48)or(Key>#57);
    if mm then
      Key := #0;
  end; 
end;
procedure TForm22.StringGrid1SelectCell(Sender: TObject; ACol,
  ARow: Integer; var CanSelect: Boolean);
begin
  y := ACol;
  x := ARow;
  if (ACol = 1)and( Trim(StringGrid1.Cells[0,x])='')or(ACol = 2)and(Trim(StringGrid1.Cells[0,x])<>'') then
    StringGrid1.Options := StringGrid1.Options +[goEditing]
  else
    StringGrid1.Options := StringGrid1.Options -[goEditing];
end;

function TForm22.JCxmlb: Boolean;
var
  a,b: integer;
begin
  ReSult := True;
  for a := 1 to StringGrid1.RowCount-1 do
    For b := 0 to StringGrid1.ColCount-1 do
      if Trim(StringGrid1.Cells[b,a]) = '' then
      begin
        Jcxmlb := False;
        break;
      end ;
end;
procedure TForm22.StringGrid1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
var
  R,L: Integer;
  cp: String;// 记录当前行的价格
  cl: String;//记录当前行的数量
begin
  S1 := False;
  s2 := False;
  ss := False;
  cp := '';
  cl:= '';
  if key = VK_Delete then
  begin
    if StringGrid1.RowCount>2 then
    begin
      If Application.MessageBox('确实要删除该条记录吗？','提示',MB_YESNO )= ID_Yes then
      begin
       if IsNull = False then
       begin
         cl := StringGrid1.Cells[2,x];
         cp := StringGrid1.Cells[3,x];
         if CurrentIsCf = False then
           Label15.Caption := IntToStr(StrToInt(Label15.Caption)-1);
       end;
        ClearString;
        if x <> StringGrid1.RowCount-1 then
        begin
          For r := x+1 to StringGrid1.RowCount-1 do
            For l := 0 to StringGrid1.ColCount-1 do
              StringGrid1.Cells[l,r-1]:= StringGrid1.Cells[l,r];
        end;
        ClearStringEnd;
        StringGrid1.RowCount := StringGrid1.RowCount-1;
        s2 := True;
        if Trim(cl)<>'' then
          Label16.Caption := IntToStr(StrToInt(Label16.Caption)- StrToInt(cl));
        if Trim(cp)<>'' then
          Label17.Caption := FloatToStr(StrToFloat(Label17.Caption)-StrToFloat(cp));
        Exit;
      end;
    end
    else if  StringGrid1.RowCount = 2 then
    begin
      If Application.MessageBox('确实要删除该条记录吗？','提示',MB_YESNO )= ID_Yes then
      begin
        ClearString;
        Label15.Caption := '0';
        Label16.Caption :='0';
        Label17.Caption := '0.0';
        StringGrid1.SetFocus;
        StringGrid1.Col := 1;
      end;
    end;
  end;
  if (key = Vk_Next)and(DBGrid1.Visible = True)then
  begin
    DBGrid1.SetFocus;
    Exit;
  end;
  if (Key = VK_Down)and(IsNull = False)and(x = StringGrid1.RowCount-1) then
  begin
    StringGrid1.RowCount := StringGrid1.RowCount+1;
    StringGrid1.Cells[5,StringGrid1.RowCount-1]:= StringGrid1.Cells[5,StringGrid1.RowCount-2];
    StringGrid1.Cells[6,StringGrid1.RowCount-1]:= StringGrid1.Cells[6,StringGrid1.RowCount-2];
    StringGrid1.Cells[4,StringGrid1.RowCount-1]:= '1.0';
    StringGrid1.Cells[7,StringGrid1.RowCount-1]:= StringGrid1.Cells[7,StringGrid1.RowCount-2];
    StringGrid1.Cells[8,StringGrid1.RowCount-1]:= StringGrid1.Cells[8,StringGrid1.RowCount-2];
    StringGrid1.Col := 1;
    Exit;
  end;
  if key = vk_ReTurn then
    if Trim(StringGrid1.Cells[0,x])='' then
    begin
      Ss := True;
      DataSource1.DataSet := nil;
      DBGrid1.Visible := False;
      SelectSPXX;
      if Data.ADOQuery1.RecordCount>1 then
      begin
        DataSource1.DataSet := Data.ADOQuery1;
        DBGrid1.Visible := True;
        DBGrid1.SetFocus;
      end
      else if Data.ADOQuery1.RecordCount = 1  then
      begin
        StringGrid1.Cells[0,x]:= Data.ADOQuery1.FieldByName('商品编号').Value;
        StringGrid1.Cells[1,x]:= Data.ADOQuery1.FieldByName('商品名称').Value;
        StringGrid1.SetFocus;
        StringGrid1.Col := 2;
      end
      else
      begin