import cn.nukkit.event.inventory.CraftItemEvent; //导入依赖的package包/类
/**
 * Prevents crafting of EnderChest unless the player has permission
 *
 * @param event
 */
@EventHandler(priority = EventPriority.LOW)
public void onCraft(CraftItemEvent event) {
    Player player = event.getPlayer();
    if (inWorld(player)) {
        if (event.getRecipe().getResult().getId() == ENDER_CHEST) {
            if (!(player.hasPermission("is.craft.enderchest"))) {
                player.sendMessage(plugin.getLocale(player).errorNoPermission);
                event.setCancelled(true);
            }
        }
    }
}
 

import cn.nukkit.event.inventory.CraftItemEvent; //导入依赖的package包/类
@EventHandler
public void onInventoryOpen(CraftItemEvent event){
	if(!this.manager.isAuthenticated(event.getPlayer())){
		event.setCancelled();
	}
}