好郁闷哦, 有人来开导下吗?TA = class
private
StrA :string;
end;
TB = class
private
StrB :TA; //类类型的成员变量
end;Var tb1:TBtb1.StrB.StrA 怎么赋值啊? 具体参看我的附件, 问题是怎么给
TB的StrB这个类类型的成员赋值
private
StrA :string;
end;
TB = class
private
StrB :TA; //类类型的成员变量
end;Var tb1:TBtb1.StrB.StrA 怎么赋值啊? 具体参看我的附件, 问题是怎么给
TB的StrB这个类类型的成员赋值
ta:TA;
tb:TB;
begin
ta := TA.create;
ta.StrA:='xxx';
tb:=TB.create;
tb.strb:=ta;
end;
象这种问题要注意两者的顺序,乱写的,期待高手
ls 的还有办法吗? 下载我的附件调试下, 看看效果啊
begin
//unFruit.Create(fruitName);
unFruit:= TFruit.Create(fruitName);
Prix:=price;
end;procedure TForm1.FormCreate(Sender: TObject);
var
//...
begin
//....
//unArticle := unArticle.Create('Pomme',1.5);
unArticle := TArticle.Create('Pomme',1.5);
//...
end;
unFruit:= TFruit.Create(fruitName);
//unArticle := unArticle.Create('Pomme',1.5);
unArticle := TArticle.Create('Pomme',1.5);PS:下次直接帖代码,不要贴附件。
TA = class
private
FStrA :string;
published
property StrA:String read FStrA write FStrA
end;
TB = class
private
StrB :TA; //类类型的成员变量
public
constructor Create;
destructor Destroy; override;
end; Var tb1:TB
constructor TB.Create;
begin
inherited Create;
StrB:=TA.Create;
end;
destructor TB.Destroy; override;
begin
StrB.free;
end;
type
TA = class
private
StrA :string;
end; TB = class
private
StrB :TA; //类类型的成员变量
public
constructor Create ;
destructor Destroy;
end;implementationconstructor TB.Create;
begin
inherited Create;
StrB := TA.Create;
end;
destructor TB.Destroy;
begin
FreeAndNil(StrB);
inherited;
end;
必须要用类的Create 不能直接调用对象的Create 不知道这个理解
对不对。delphi 真是太复杂咯,我本身是C#和PHP的,现在回头搞delphi
觉得好不习惯delphi的理念。PS 下次直接粘代码咯