我的 Minecraft 插件出现错误，无法弄清楚如何解决它

Question

我目前正在创建一个插件，其中每 60 秒发生一次随机事件，当我准备构建第一个测试时出现错误，它在第 73 行，关于它说“这个”的部分我无法理解了解如何修复它，我们将不胜感激！

错误：java：类型不兼容：无法转换为 org.bukkit.plugin.Plugin

这是我的代码：

package com.zoren3105.Chaos;


import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;

import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.scheduler.BukkitRunnable;


import java.util.Random;

public class Main extends JavaPlugin {
    @Override
    public void onEnable() {
        //Fired when the server enables the plugin
        runnable();
    }

    @Override
    public void onDisable() {
        //Fired when the server stops and disables all plugins
    }




    Random rand = new Random();

    public void runnable() {

        new BukkitRunnable() {

            @Override
            public void run() {

                for(Player p : getServer().getOnlinePlayers()) ;
                Player player = (Player) Bukkit.getOnlinePlayers();

                int chance = rand.nextInt(50);
                if (chance == 0) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.ABSORPTION, 60, 2));
                } else if (chance == 1) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.POISON, 60, 2));
                } else if (chance == 2) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, 60, 2));
                } else if (chance == 3) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.SPEED, 60, 60));
                } else if (chance == 4) {
                    player.addPotionEffect(new PotionEffect(PotionEffectType.JUMP, 60, 10));
                } else if (chance == 5) {
                    player.getInventory().addItem(new ItemStack(Material.DIAMOND));
                } else if (chance == 6) {
                    player.getInventory().addItem(new ItemStack(Material.STICK));
                } else if (chance == 7) {
                    player.setHealth(1);
                } else if (chance == 8) {
                    player.getWorld().spawnEntity((Location) player, EntityType.CREEPER);
                } else if (chance == 9) {
                    for (int i = 0; i < 5; i++) {
                        player.getWorld().spawnEntity((Location) player, EntityType.PRIMED_TNT);
                    }
                } else if (chance == 10) {
                    for (int i = 0; i < 50; i++) {
                        player.getWorld().spawnEntity((Location) player, EntityType.ARROW);
                    }
                }runTaskTimerAsynchronously(this, 600, 600);
            }
        };

    }
}

Answer 1

this 在该位置引用 BukkitRunnable()，而不是您的 Main class。您可以通过像这样

传递对 Plugin 的引用来解决此问题

public void runnable(Plugin plugin) {
   ...
   }runTaskTimerAsynchronously(plugin, 600, 600);
}

然后这样称呼它

runnable(this);

但是，您的代码将不起作用；可能有几个原因，但我看到的一个原因是你的 for 循环有一个空体

for(Player p : getServer().getOnlinePlayers()) ;

我认为你认为这会给你一个玩家，然后你施放 getOnlinePlayers() to a Player which will not work as the method returns Collection<? extends Player>. You will benefit from taking a Java course; Spigot has a basic tutorial on their wiki 的结果，这也有帮助。

我的 Minecraft 插件出现错误，无法弄清楚如何解决它

Getting a error for my Minecraft plugin and cant figure out how to solve it

java

plugins

minecraft

bukkit