我想创建一个向量来容纳课程 [英] I want to create a Vector to hold classes

问题描述

我对制作一个向量来容纳类非常困惑。
如果我想在单个向量中保存一堆数据，例如下面的示例。然后将数据写入类成员函数中，并可以被其他函数调用和使用。

Im very confused about making a vector to hold classes. if i wanted to hold a bunch of data in a single vector like the example below. then have the data written in a class member function, and able to be called out and used by other functions.

我在哪里粘贴矢量声明？
请帮忙！

where do i stick the vector declaration? please help!

#include <vector>

class Card
{
   public:
    int suit;
    int rank;
    Card::Card(int suit, int rank);
    Function();
};

 vector<Card> cards;

int main()
{
}
Card::Function()
 {
    for loop...
     Card cardz(i, i);
    cards.push_back(cardz);
} 

推荐答案

在我看来，您正在扩展 Card 对象应该执行的操作的范围。我可以建议以下布局吗？首先定义一张单张卡。

It seems to me that you're stretching the bounds of what a Card object should do. May I suggest the following layout? First defines a single card.

class Card {
  public:
    Card(int s, int r)
    : suit(s), rank(r)  {
      // Initialize anything else here
    }

  private:
    int suit, rank;
};

接下来，定义一个保存 vector 卡并对其进行操作。我们称之为 Deck

Next, define an object which holds a vector of cards and manipulates them. Let's call it Deck

class Deck {
  public:
    Deck();

  private:
    vector <Card> cards;
};

现在，在您的 Deck 类中，您可以根据需要初始化纸牌集合。

Now, in your Deck class, you can initialize the collection of cards as you see fit.

Deck::Deck() {
  for (int suit = 0; suit < 4; suit++) {
    for (int rank = 0; rank < 13; rank++) {
      cards.push_back(Card(suit, rank));
    }
  }
}

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