Question

如果玩家达到2级，那么它会立即尝试“if level == 2”。我应该改变什么？如果你升级，那么你只需点击“确定”，就不会弹出任何内容。现在，如果你升级，如果你点击“levelup”消息框文本上的“确定”，它会尝试再次升级你。

private void button4_Click(object sender, EventArgs e)
    {
        if (gold > 249)
        {
            gold -= 250;
            label3.Text = "Gold: " + gold.ToString();
            level++;
            label4.Text = "Level: " + level.ToString();
            MessageBox.Show(levelup);
        }
        else
        {
            int needed = 250;
            MessageBox.Show("Not enough to level up! You need: " + needed + " Gold");
        }
        if (level == 2)
        {
            button4.Text = "Level Up! (350 Gold)";
            if (gold > 349)
            {
                gold -= 350;
                label3.Text = "Gold: " + gold.ToString();
                level++;
                label4.Text = "Level: " + level.ToString();
                MessageBox.Show(levelup);
            }
            else
            {
                int needed = 350;
                MessageBox.Show("Not enough to level up! You need: " + needed + " Gold");
            }
        }
    }

Answer 1

你可以通过首先检查最高级别然后下降来修复它在第二部分中，我还添加了＆＃34; if（level == 1）＆＃34;如果有更多的黄金而不是249，那么它总是会开火。＆＃34;所以更好地检查lvl还有＃34;

private void button4_Click(object sender, EventArgs e)
{

    if (level == 2)
    {
        button4.Text = "Level Up! (350 Gold)";
        if (gold > 349)
        {
            gold -= 350;
            label3.Text = "Gold: " + gold.ToString();
            level++;
            label4.Text = "Level: " + level.ToString();
            MessageBox.Show(levelup);
        }
        else
        {
            int needed = 350;
            MessageBox.Show("Not enough to level up! You need: " + needed + " Gold");
        }
    }

    else if (level == 1)
    {
        if (gold > 249)
        {
            gold -= 250;
            label3.Text = "Gold: " + gold.ToString();
            level++;
            label4.Text = "Level: " + level.ToString();
            MessageBox.Show(levelup);
        }
        else
        {
            int needed = 250;
            MessageBox.Show("Not enough to level up! You need: " + needed + " Gold");
        }
    }
}

程序立即执行下一个任务

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