📄 sumexpense.pas
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unit SumExpense;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, BaseSingleEdit, Buttons, StdCtrls, Mask, DBCtrls, ADODB, DB,
BaseEdit;
type
TSumExpenseForm = class(TBaseSingleEditForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Edit1: TEdit;
Label4: TLabel;
Edit2: TEdit;
Edit3: TEdit;
bbCard: TBitBtn;
bbNO: TBitBtn;
Edit4: TEdit;
procedure Edit1Change(Sender: TObject);
procedure bbCardClick(Sender: TObject);
procedure Edit3Exit(Sender: TObject);
procedure bbNOClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
procedure ShowSumExpenseForm(ADOQuery: TADOQuery);
implementation
uses SysPublic, MemberManage;
{$R *.dfm}
procedure ShowSumExpenseForm(ADOQuery: TADOQuery);
var
SumExpenseForm: TSumExpenseForm;
begin
SumExpenseForm:= TSumExpenseForm.Create(Nil);
SumExpenseForm.FADOQuery:= ADOQuery;
SumExpenseForm.FADOQuery.Edit;
SumExpenseForm.ShowModal;
end;
procedure TSumExpenseForm.Edit1Change(Sender: TObject);
begin
inherited;
FADOQuery.Close;
FADOQuery.SQL.Clear;
FADOQuery.SQL.Add('Select * From 会员资料 where 卡号 like :Param');
FADOQuery.Parameters.ParamByName('Param').Value := '%'+Trim(Edit1.Text)+'%';
FADOQuery.Open;
end;
procedure TSumExpenseForm.bbCardClick(Sender: TObject);
begin
inherited;
if FADOQuery.IsEmpty then
begin
ShowMsg('系统中没有此卡号!');
Exit;
end;
if (Trim(Edit4.Text)='') or (StrToFloat(Trim(Edit4.Text ))<=0) then
begin
ShowMsg('输入消费积分不合法!');
Exit;
end;
if FADOQuery.FieldByName('口令').AsString = Trim(Edit2.Text) then
begin
FADOQuery.Edit;
FADOQuery.FieldByName('积分').AsFloat := FADOQuery.FieldByName('积分').AsFloat- StrToFloat(Edit4.Text);
FADOQuery.Post;
ShowMsg('积分消费成功!');
Close;
end
else
ShowMsg('密码错误,会员退卡失败!');
end;
procedure TSumExpenseForm.Edit3Exit(Sender: TObject);
begin
inherited;
Edit3.Text := FloatToStr(FADOQuery.FieldByName('积分').AsFloat);
end;
procedure TSumExpenseForm.bbNOClick(Sender: TObject);
begin
inherited;
Close;
end;
end.
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