新项目

config.yml

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+list:
+  - '/op'
+  - '/deop'
+
+playerWhiteList:
+  - 'test'

plugin.yml

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+name: CommandBlock
+main: me.commandBlock.CommandBlock
+version: 0.0.1
+authors: [me]
+description: []
+commands:
+  cb: #指令名
+    description: "测试指令" #指令的注解
+    usage: §c用法：/cb <reload> - 重载配置文件 #指令的用法 当onCommand()方法返回false时提示这里的内容
+

src/me/commandBlock/CheckCommand.java

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+package me.commandBlock;
+
+import java.util.List;
+
+import org.bukkit.Bukkit;
+
+public final class CheckCommand {
+
+	public static boolean check(String commandStr, String playerName){
+		//从ConfigFile中接收玩家白名单列表和禁用指令列表
+		List<String> playerList = ConfigFile.getPlayerWhiteList();
+		List<String> commandList = ConfigFile.getCommandList();
+
+		//如果玩家白名单列表匹配成功，则直接返回false
+		if (playerList.size() > 0){
+			for (int i=0;i<playerList.size();i++){
+				if (playerList.get(i).equals(playerName)){
+					return false;
+				}
+			}
+		}
+
+		if (commandList.size() > 0){
+			//处理用户输入的信息
+			String temp = "";
+			String[] temp1 = commandStr.split(" ");
+			String[] temp2 = temp1[0].split(":");
+			if (temp2.length == 1){
+				temp = temp2[0];
+			}
+			else if (temp2.length > 1) {
+				temp = "/" + temp2[temp2.length-1];
+			}
+
+			//如果玩家将要执行的指令和禁用指令列表匹配成功，则返回true
+			for (int i=0;i<commandList.size();i++){
+				if (commandList.get(i).equalsIgnoreCase(temp)){
+					Bukkit.getLogger().info(ConfigFile.PREFIX_C + "命令列表匹配成功：" + commandList.get(i));
+					return true;
+				}
+			}
+		}
+
+		//如果全部没有匹配成功，则表示玩家不在白名单，而且玩家执行的指令也没有被禁止，返回false
+		return false;
+	}
+}

src/me/commandBlock/CmdCb.java

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+package me.commandBlock;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class CmdCb {
+	@SuppressWarnings("serial")
+	private static final List<String> args1 = new ArrayList<String>(){{
+		add("reload");
+	}};
+	public static boolean exec(CommandSender sender, String[] args){
+		if (sender instanceof org.bukkit.command.ConsoleCommandSender){
+			if ((args.length == 1) && (args[0].equalsIgnoreCase("reload"))){
+				ConfigFile.loadConfig();
+				return true;
+			}
+		}
+
+		if (sender instanceof Player){
+			//Player player = (Player)sender;
+
+			if (sender.isOp()){
+				if ((args.length == 1) && (args[0].equalsIgnoreCase("reload"))){
+					ConfigFile.loadConfig();
+					sender.sendMessage(ConfigFile.PREFIX + "已重载配置!");
+					return true;
+				}
+			}else{
+				sender.sendMessage(ConfigFile.PREFIX + "你没有权限这样做!");
+				return true;
+			}
+
+		}
+		return false;
+	}
+
+	public static List<String> tab(CommandSender sender, String[] args){
+		if ((args == null) || (args.length <= 1)){
+			return args1;
+		}
+		return new ArrayList<String>();
+	}
+}

src/me/commandBlock/CmdExecutor.java

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+package me.commandBlock;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabCompleter;
+
+public class CmdExecutor implements CommandExecutor,TabCompleter {
+	public boolean onCommand(CommandSender sender,Command cmd, String label,String[] args) {
+		if (cmd.getName().equalsIgnoreCase("cb")) return CmdCb.exec(sender, args);
+		return false;
+	}
+
+	public List<String> onTabComplete(CommandSender sender, Command cmd, String label, String[] args) {
+		if (cmd.getName().equalsIgnoreCase("cb")){
+			return CmdCb.tab(sender, args);
+		}
+		return new ArrayList<String>();
+	}
+}

src/me/commandBlock/CommandBlock.java

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+package me.commandBlock;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import net.milkbowl.vault.permission.Permission;
+
+import org.bukkit.Bukkit;
+import org.bukkit.event.HandlerList;
+import org.bukkit.plugin.RegisteredServiceProvider;
+
+public final class CommandBlock extends org.bukkit.plugin.java.JavaPlugin{
+	public static Permission permission = null;
+	private static CommandBlock INSTANCE;
+	private static ScheduledExecutorService ses = Executors.newScheduledThreadPool(2);
+
+	@Override
+	public void onEnable(){
+		INSTANCE = this;
+		setupPermissions();
+		ConfigFile.loadConfig();
+		getServer().getPluginManager().registerEvents(new CommandListener(),this);
+		Bukkit.getPluginCommand("cb").setExecutor(new CmdExecutor());
+		Bukkit.getPluginCommand("cb").setTabCompleter(new CmdExecutor());
+		ses.scheduleAtFixedRate(ConfigFile.getTask(), 5, 5, TimeUnit.SECONDS);
+		getLogger().info("CommandBlock is enabled!");
+	}
+
+	@Override
+	public void onDisable(){
+		HandlerList.unregisterAll(this);
+		ses.shutdownNow();
+		getLogger().info("CommandBlock is disabled");
+	}
+
+	private void setupPermissions() { 
+		try {
+			RegisteredServiceProvider<Permission> permissionProvider = getServer().getServicesManager().getRegistration(Permission.class);
+			if(permissionProvider != null) {
+				permission = (Permission)permissionProvider.getProvider();
+				getLogger().info("已找到 Vault!");
+			}
+		} catch (NoClassDefFoundError e) {
+			getLogger().info("没有找到 Vault!");
+		}
+	}
+
+	public static CommandBlock getIns(){
+		return INSTANCE;
+	}
+}

src/me/commandBlock/CommandListener.java

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+package me.commandBlock;
+
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+
+public class CommandListener implements Listener {
+
+	@EventHandler
+	public void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent e){
+		if (CheckCommand.check(e.getMessage(), e.getPlayer().getName())){
+			e.setCancelled(true);
+			Bukkit.getLogger().info(ConfigFile.PREFIX_C + "玩家 " + e.getPlayer().getName() + " 试图执行:" + e.getMessage() + ", 已拦截操作！");
+		}
+	}
+}

src/me/commandBlock/ConfigFile.java

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+package me.commandBlock;
+
+import java.io.File;
+import java.util.List;
+
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+public class ConfigFile {
+	static final String PREFIX = "§c[CommandBlock] ";
+	static final String PREFIX_C = "[CommandBlock] ";
+	private static CommandBlock ins = CommandBlock.getIns();
+	private static File file;
+	private static FileConfiguration config;
+	private static Runnable task = new Runnable() {
+		public void run() {   
+			updateConfig();
+		}   
+	};
+
+	public static void loadConfig(){
+		if (!ins.getDataFolder().exists()) {
+			ins.getDataFolder().mkdirs();
+		}
+		file = new File(CommandBlock.getIns().getDataFolder(), "config.yml");
+		if (!file.exists()) {
+		    ins.getLogger().info("配置文件不存在,载入默认配置文件!");
+		    ins.saveDefaultConfig();
+		}
+		config = YamlConfiguration.loadConfiguration(file);
+		ins.getLogger().info("配置文件已载入!");
+	}
+
+	public static void updateConfig(){
+		config = YamlConfiguration.loadConfiguration(file);
+	}
+
+	public static Runnable getTask(){
+		return task;
+	}
+
+	public static List<String> getCommandList(){
+		return config.getStringList("list");
+	}
+
+	public static List<String> getPlayerWhiteList(){
+		return config.getStringList("playerWhiteList");
+	}
+
+}