Minecraft Bukkit Paper 插件开发：解决 tpax 命令无法使用问题

{ "title": "Minecraft Bukkit Paper 插件开发：解决 tpax 命令无法使用问题", "description": "本文提供了解决 Minecraft Bukkit Paper 插件开发中 tpax 命令无法使用问题的步骤，包括检查命令参数、修改命令执行逻辑和注册命令执行器。", "keywords": "Minecraft, Bukkit, Paper, 插件开发, tpax 命令, 问题解决, 命令参数, 命令执行逻辑, 注册命令执行器", "content": ""package com.fretpa12001;\n\nimport org.bukkit.Bukkit;\nimport org.bukkit.command.CommandExecutor;\nimport org.bukkit.command.PluginCommand;\nimport org.bukkit.plugin.java.JavaPlugin;\n\npublic final class Fre_tpa_1_20_0_1 extends JavaPlugin implements CommandExecutor {\n\n @Override\n public void onLoad() {\n // 获取命令对象\n PluginCommand command = Bukkit.getPluginCommand("tpax");\n if (command != null) {\n // 注册命令执行器\n command.setExecutor(this); // 将 new Mycommand() 更改为 this\n } else {\n getLogger().warning("Failed to register command 'tpax'" );\n }\n }\n\n @Override\n public void onEnable() {\n System.out.println("Thank you for using Fre-tpa-1-20-0-1");\n System.out.println("Hello World");\n }\n\n @Override\n public void onDisable() {\n System.out.println("bye~");\n System.out.println("wish you a pleasant opening on the server next time");\n System.out.println("" +\n "" +\n "*****8" +\n "__" +\n "" +\n "" +\n "**");\n }\n}\n\n// Mycommand 类代码\npackage com.fretpa12001;\n\nimport org.bukkit.GameMode;\nimport org.bukkit.command.Command;\nimport org.bukkit.command.CommandExecutor;\nimport org.bukkit.command.CommandSender;\nimport org.bukkit.entity.Player;\nimport org.jetbrains.annotations.NotNull;\n\npublic class Mycommand implements CommandExecutor {\n\n @Override\n public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {\n if (args.length < 2) { // 检查参数数量\n sender.sendMessage("Usage: /tpax ");\n return true; // 返回 true 表示命令已被处理\n }\n\n if (args[0].equalsIgnoreCase("tpax") && args[1].equalsIgnoreCase("1")) {\n if (sender instanceof Player) { // 检查发送者是否是玩家\n Player player = (Player) sender;\n player.setGameMode(GameMode.SPECTATOR); // 设置玩家游戏模式\n player.sendMessage("Your game mode has been set to SPECTATOR.");\n } else {\n sender.sendMessage("This command can only be executed by players.");\n }\n return true; // 返回 true 表示命令已被处理\n }\n return false; // 返回 false 表示命令未被处理\n }\n}\n\n// plugin.yml 文件内容\nname: Fre-tpa-1-20-0-1\nversion: '${version}'\nmain: com.fretpa12001.Fre_tpa_1_20_0_1\napi-version: '1.20'\ncommands:\n tpax:\n description: "向所有玩家发出传送请求" permission: Fre-tpa-1-20-0-1.Main\n aliases: tpax\n executor: com.fretpa12001.Mycommand"\