import org.spongepowered.api.data.manipulator.mutable.item.EnchantmentData; //导入依赖的package包/类
public static boolean canBeAppliedToItemStack(ItemStack item, Enchantment enchantment) {
	if (enchantment.canBeAppliedToStack(item)) {
		EnchantmentData enchantment_data = item.getOrCreate(EnchantmentData.class).get();
		
		for (ItemEnchantment enchantment_item : enchantment_data.enchantments()) {
			if (!enchantment.isCompatibleWith(enchantment_item.getEnchantment())) {
				return false;
			}
		}
	} else {
		return false;
	}
	return true;
}
 

import org.spongepowered.api.data.manipulator.mutable.item.EnchantmentData; //导入依赖的package包/类
private CompletableFuture<Boolean> commandEnchant(final EPlayer player, Enchantment enchantment, int level) {
	// Le joueur n'a pas d'item dans la main
	if (!player.getItemInMainHand().isPresent()) {
		EAMessages.EMPTY_ITEM_IN_HAND.sender()
			.prefix(EEMessages.PREFIX)
			.sendTo(player);
		return CompletableFuture.completedFuture(false);
	}
	
	ItemStack item = player.getItemInMainHand().get();
		
	// Le level est trop faible
	if (level < enchantment.getMinimumLevel()) {
		EEMessages.ENCHANT_LEVEL_TOO_LOW.sender()
			.replace("{number}", String.valueOf(level))
			.sendTo(player);
		return CompletableFuture.completedFuture(false);
	}
	
	if (level > enchantment.getMaximumLevel()) {
		EEMessages.ENCHANT_LEVEL_TOO_HIGHT.sender()
			.replace("{number}", String.valueOf(level))
			.sendTo(player);
		return CompletableFuture.completedFuture(false);
	}

	EnchantmentData enchantment_data = item.getOrCreate(EnchantmentData.class).get();
				
	// L'enchantement n'est pas applicable sur cet item
	if (!UtilsEnchantment.canBeAppliedToItemStack(item, enchantment)) {
		EEMessages.ENCHANT_INCOMPATIBLE.sender()
			.replace("{enchantment}", () -> enchantment.getId().toLowerCase().replace("minecraft:", "").replaceAll(" ", ""))
			.replace("{level}", String.valueOf(level))
			.replace("{item}", () -> EChat.getButtomItem(item, EEMessages.ENCHANT_ITEM_COLOR.getColor()))
			.sendTo(player);
		return CompletableFuture.completedFuture(false);
	}
	
	enchantment_data.set(enchantment_data.enchantments().add(new ItemEnchantment(enchantment, level)));
	item.offer(enchantment_data);
	player.setItemInMainHand(item);
	
	EEMessages.ENCHANT_SUCCESSFULL.sender()
		.replace("{enchantment}", enchantment.getTranslation().get())
		.replace("{level}", String.valueOf(level))
		.replace("{item}", () -> EChat.getButtomItem(item, EEMessages.ENCHANT_ITEM_COLOR.getColor()))
		.sendTo(player);
	return CompletableFuture.completedFuture(true);
}
 

import org.spongepowered.api.data.manipulator.mutable.item.EnchantmentData; //导入依赖的package包/类
/**
 * https://github.com/SpongePowered/SpongeForge/issues/470
 *
 * @param itemStack
 */
public static void createEnchantmentGlow(ItemStack itemStack) {
	itemStack.offer(Sponge.getDataManager().getManipulatorBuilder(EnchantmentData.class).get().create());
}