c# 在表单中注册多个按钮点击

Question

所以现在我正在制作一个以学习为目的的游戏，玩家点击一个按钮，它会从总分中取走一个随机数。问题是它只工作一次，因为当再次点击它时它会重置。那么如何让它可以多次工作呢？抱歉打扰了。

 public void playerTwo(object sender, EventArgs e)
    {
        Random rnd = new Random();
        int attack = rnd.Next(1, 10);

        int playerOneScore = 1000;
        int playerOneScores;

        playerOneScores = playerOneScore - (1 * attack);


        playerOneHealth.Text = playerOneScores.ToString();

Answer 1

将您的代码更改为以下内容。

int playerOneScore = 1000;
public void playerTwo(object sender, EventArgs e)
{
    Random rnd = new Random();
    int attack = rnd.Next(1, 10);

    //int playerOneScore = 1000; <-- don't set playerOneScore inside the method, as this line gets executed with every time calling this method so it again and again gets set to 1000
    //int playerOneScores; <-- don't get the meaning of this one, so I removed it and I am changing the playerOneScore field

    playerOneScore = playerOneScore - (1 * attack);
    playerOneHealth.Text = playerOneScore.ToString();
}

除此之外，您还应该考虑将 Random 变量移到方法之外，因为快速创建 Random 对象会一遍又一遍地为您提供相同的结果。

您可以在此处了解为什么会发生这种情况:Random number generator only generating one random number

因此，我建议将其更改为:

int playerOneScore = 1000;
Random rnd = new Random();
public void playerTwo(object sender, EventArgs e)
{
    //Random rnd = new Random(); <-- don't create Random here as it will likey produce the same random number over and over again
    int attack = rnd.Next(1, 10);

    //int playerOneScore = 1000; <-- don't set playerOneScore inside the method, as this line gets executed with every time calling this method so it again and again gets set to 1000
    //int playerOneScores; <-- don't get the meaning of this one, so I removed it and I am changing the playerOneScore field

    playerOneScore = playerOneScore - (1 * attack);
    playerOneHealth.Text = playerOneScore.ToString();
}

在此处查看实际效果: https://dotnetfiddle.net/djr94j

(我不得不将其更改为静态字段和方法，这对您来说不是必需的)