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FlyTimePlugin.java

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+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class FlyTimePlugin extends JavaPlugin implements CommandExecutor {
+
+    @Override
+    public void onEnable() {
+        this.getCommand("flytime").setExecutor(this);
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
+        if (cmd.getName().equalsIgnoreCase("flytime")) {
+            if (args.length < 2) {
+                sender.sendMessage("用法：/flytime <分钟数> <玩家名>");
+                return true;
+            }
+
+            int minutes;
+            try {
+                minutes = Integer.parseInt(args[0]);
+            } catch (NumberFormatException e) {
+                sender.sendMessage("错误：时间必须是数字。");
+                return true;
+            }
+
+            Player target = Bukkit.getPlayer(args[1]);
+            if (target == null) {
+                sender.sendMessage("玩家未找到！");
+                return true;
+            }
+
+            target.setAllowFlight(true);
+            sender.sendMessage("玩家 " + target.getName() + " 现在可以飞行 " + minutes + " 分钟。");
+
+            new BukkitRunnable() {
+                @Override
+                public void run() {
+                    target.setAllowFlight(false);
+                    target.sendMessage("你的飞行权限已关闭。");
+                }
+            }.runTaskLater(this, minutes * 60 * 20); // 20 ticks = 1 second
+
+            return true;
+        }
+        return false;
+    }
+}

plugin.yml

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+name: FlyTime
+version: 1.0
+main: FlyTimePlugin
+commands:
+  flytime:
+    description: 给予玩家临时飞行权限。
+    usage: /<command> <玩家名> <分钟数>
+    permission: flytime.use
+    permission-message: 你没有使用这个命令的权限。