数据库添加缓存 优化性能

build.gradle.kts

@@ -19,6 +19,8 @@ taboolib {
         contributors {
             name("xbaimiao")
         }
+        val bukkitNodes = bukkitNodes as MutableMap<Any, Any>
+        bukkitNodes["update-info"] = "数据库添加缓存 优化性能"
     }
     env {
         install(NMS_UTIL, UI)
@@ -39,6 +41,7 @@ repositories {
 }
 
 dependencies {
+    compileOnly("com.mojang:authlib:1.5.25")
     compileOnly("ink.ptms:nms-all:1.0.0")
     compileOnly("public:MythicMobs:4.14.1")
     compileOnly("public:papi:1.0.0")

gradle.properties

@@ -1,2 +1,2 @@
 group=com.github.xbaimiao.shoppro
-version=1.2.6-SNAPSHOT
+version=1.2.6

src/main/kotlin/com/github/xbaimiao/shoppro/ShopPro.kt

@@ -6,9 +6,14 @@ import com.github.xbaimiao.shoppro.core.database.SQLiteDatabase
 import com.github.xbaimiao.shoppro.core.item.ItemLoaderManager
 import com.github.xbaimiao.shoppro.core.shop.ShopManager
 import com.github.xbaimiao.shoppro.core.vault.DiyCurrency
+import com.github.xbaimiao.shoppro.core.vault.VaultImpl
 import com.xbaimiao.ktor.KtorPluginsBukkit
 import com.xbaimiao.ktor.KtorStat
+import org.bukkit.Bukkit
+import org.bukkit.event.player.PlayerJoinEvent
+import org.bukkit.event.player.PlayerQuitEvent
 import taboolib.common.platform.Plugin
+import taboolib.common.platform.event.SubscribeEvent
 import taboolib.common.platform.function.info
 import taboolib.module.configuration.Config
 import taboolib.module.configuration.Configuration
@@ -33,7 +38,13 @@ object ShopPro : Plugin(), KtorStat {
         }
         ShopManager.load()
         DiyCurrency.load()
+        VaultImpl.startTask()
+
         database = if (config.getBoolean("mysql.enable")) MysqlDatabase(config) else SQLiteDatabase()
+
+        Bukkit.getOnlinePlayers().forEach {
+            database.loadPlayerData(it)
+        }
     }
 
     fun reload() {
@@ -41,7 +52,31 @@ object ShopPro : Plugin(), KtorStat {
         ShopManager.shops.clear()
         ShopManager.load()
         DiyCurrency.load()
+
+        Bukkit.getOnlinePlayers().forEach {
+            database.releasePlayerData(it)
+        }
+
         database = if (config.getBoolean("mysql.enable")) MysqlDatabase(config) else SQLiteDatabase()
+        Bukkit.getOnlinePlayers().forEach {
+            database.loadPlayerData(it)
+        }
+    }
+
+    override fun onDisable() {
+        VaultImpl.flush()
+    }
+
+    @SubscribeEvent
+    fun join(event: PlayerJoinEvent) {
+        val player = event.player
+        database.loadPlayerData(player)
+    }
+
+    @SubscribeEvent
+    fun quit(event: PlayerQuitEvent) {
+        val player = event.player
+        database.releasePlayerData(player)
     }
 
 }

src/main/kotlin/com/github/xbaimiao/shoppro/core/database/Database.kt

@@ -29,4 +29,8 @@ interface Database {
 
     fun reset()
 
+    fun loadPlayerData(player: Player)
+
+    fun releasePlayerData(player: Player)
+
 }

src/main/kotlin/com/github/xbaimiao/shoppro/core/database/SqlDatabase.kt

@@ -3,6 +3,7 @@ package com.github.xbaimiao.shoppro.core.database
 import com.github.xbaimiao.shoppro.core.item.Item
 import com.github.xbaimiao.shoppro.core.item.impl.ItemsAdderShopItem
 import org.bukkit.entity.Player
+import taboolib.common.platform.function.submitAsync
 import taboolib.module.database.Host
 import taboolib.module.database.Table
 import javax.sql.DataSource
@@ -25,6 +26,8 @@ abstract class SqlDatabase : Database {
     // ServerTable 无 User
     val playerLine = "user"
 
+    private val playerAlreadyDataCache = HashMap<String, HashMap<String, LimitData>>()
+
     override fun reset() {
         serverTable.workspace(dataSource) {
             executeUpdate("DELETE FROM $serverTableName;").run()
@@ -50,8 +53,20 @@ abstract class SqlDatabase : Database {
         } ?: LimitData.ofNull()
     }
 
+    private fun Item.toCacheKey(): String {
+        val item = this
+        return "${item.key}-${item.material}-${if (item is ItemsAdderShopItem) item.custom else 0}"
+    }
+
     override fun getPlayerAlreadyData(player: Player, item: Item): LimitData {
-        return playerTable.workspace(dataSource) {
+        val cache = playerAlreadyDataCache[player.name] ?: error("玩家 ${player.name} 数据缓存未加载")
+
+        val cacheKey = item.toCacheKey()
+        if (cache.containsKey(cacheKey)) {
+            return cache[cacheKey]!!
+        }
+
+        val databaseLimitData = playerTable.workspace(dataSource) {
             select {
                 where {
                     playerLine eq player.uniqueId.toString()
@@ -65,6 +80,57 @@ abstract class SqlDatabase : Database {
         }.firstOrNull {
             LimitData.formString(this.getString(dataLine))
         } ?: LimitData.ofNull()
+
+        cache[cacheKey] = databaseLimitData
+        return databaseLimitData
+    }
+
+    override fun setPlayerAlreadyData(player: Player, item: Item, amount: LimitData) {
+        val cache = playerAlreadyDataCache[player.name] ?: error("玩家 ${player.name} 数据缓存未加载")
+        val cacheKey = item.toCacheKey()
+        cache[cacheKey] = amount
+
+        submitAsync {
+            if (playerTable.workspace(dataSource) {
+                    select {
+                        where {
+                            playerLine eq player.uniqueId.toString()
+                            itemKeyLine eq item.key.toString()
+                            itemMaterialLine eq item.material.toString()
+                            if (item is ItemsAdderShopItem) {
+                                itemCustomLine eq item.custom
+                            }
+                        }
+                    }
+                }.find()) {
+                playerTable.workspace(dataSource) {
+                    update {
+                        where {
+                            playerLine eq player.uniqueId.toString()
+                            itemKeyLine eq item.key.toString()
+                            itemMaterialLine eq item.material.toString()
+                            if (item is ItemsAdderShopItem) {
+                                itemCustomLine eq item.custom
+                            }
+                        }
+                        set(dataLine, amount.toString())
+                    }
+                }.run()
+            } else {
+                val custom = if (item is ItemsAdderShopItem) item.custom else 0
+                playerTable.workspace(dataSource) {
+                    insert {
+                        value(
+                            item.key.toString(),
+                            item.material.toString(),
+                            custom,
+                            amount.toString(),
+                            player.uniqueId.toString()
+                        )
+                    }
+                }.run()
+            }
+        }
     }
 
     override fun addAmount(item: Item, player: Player, amount: LimitData) {
@@ -106,46 +172,12 @@ abstract class SqlDatabase : Database {
         }
     }
 
-    override fun setPlayerAlreadyData(player: Player, item: Item, amount: LimitData) {
+    override fun loadPlayerData(player: Player) {
-        if (playerTable.workspace(dataSource) {
+        playerAlreadyDataCache[player.name] = HashMap()
-                select {
-                    where {
-                        playerLine eq player.uniqueId.toString()
-                        itemKeyLine eq item.key.toString()
-                        itemMaterialLine eq item.material.toString()
-                        if (item is ItemsAdderShopItem) {
-                            itemCustomLine eq item.custom
-                        }
-                    }
-                }
-            }.find()) {
-            playerTable.workspace(dataSource) {
-                update {
-                    where {
-                        playerLine eq player.uniqueId.toString()
-                        itemKeyLine eq item.key.toString()
-                        itemMaterialLine eq item.material.toString()
-                        if (item is ItemsAdderShopItem) {
-                            itemCustomLine eq item.custom
-                        }
-                    }
-                    set(dataLine, amount.toString())
-                }
-            }.run()
-        } else {
-            val custom = if (item is ItemsAdderShopItem) item.custom else 0
-            playerTable.workspace(dataSource) {
-                insert {
-                    value(
-                        item.key.toString(),
-                        item.material.toString(),
-                        custom,
-                        amount.toString(),
-                        player.uniqueId.toString()
-                    )
-                }
-            }.run()
     }
+
+    override fun releasePlayerData(player: Player) {
+        playerAlreadyDataCache.remove(player.name)
     }
 
 }

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/KetherCondition.kt

@@ -29,7 +29,7 @@ interface KetherCondition {
         if (conditionIcon == null || conditionName == null) {
             return ItemStack(Material.AIR)
         }
-        return taboolib.platform.util.buildItem(conditionIcon!!) {
+        return com.github.xbaimiao.shoppro.util.buildItem(conditionIcon!!) {
             name = conditionName!!.colored().replacePapi(player)
             conditionLore.forEach {
                 lore += it.colored().replacePapi(player)

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/impl/HeadShopItem.kt

@@ -9,9 +9,7 @@ import org.bukkit.configuration.ConfigurationSection
 import org.bukkit.entity.Player
 import org.bukkit.inventory.ItemStack
 import taboolib.library.xseries.XMaterial
-import taboolib.library.xseries.XSkull
 import taboolib.library.xseries.parseToMaterial
-import taboolib.platform.util.ItemBuilder
 import java.util.*
 
 class HeadShopItem(
@@ -29,8 +27,8 @@ class HeadShopItem(
     }
 
     override fun vanillaItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
-            skullTexture = XSkull.SkullTexture(head, UUID.randomUUID())
+            skullTexture = com.github.xbaimiao.shoppro.util.ItemBuilder.SkullTexture(head, UUID.randomUUID())
         }
     }
 
@@ -39,10 +37,10 @@ class HeadShopItem(
     }
 
     override fun buildItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
             this.name = this@HeadShopItem.name
             this.lore.addAll(this@HeadShopItem.lore)
-            skullTexture = XSkull.SkullTexture(head, UUID.randomUUID())
+            skullTexture = com.github.xbaimiao.shoppro.util.ItemBuilder.SkullTexture(head, UUID.randomUUID())
         }
     }
 

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/impl/ItemImpl.kt

@@ -9,7 +9,6 @@ import org.bukkit.configuration.ConfigurationSection
 import org.bukkit.entity.Player
 import org.bukkit.inventory.ItemStack
 import taboolib.library.xseries.XMaterial
-import taboolib.library.xseries.XSkull
 import taboolib.module.chat.colored
 import taboolib.platform.util.modifyLore
 import java.util.*
@@ -49,12 +48,12 @@ class ItemImpl(
     }
 
     override fun buildItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
             this.name = this@ItemImpl.name
             this.lore.addAll(this@ItemImpl.lore)
             custom?.let { customModelData = it }
             head?.let {
-                skullTexture = XSkull.SkullTexture(it, UUID.randomUUID())
+                skullTexture = com.github.xbaimiao.shoppro.util.ItemBuilder.SkullTexture(it, UUID.randomUUID())
             }
         }
     }

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/impl/ItemsAdderShopItem.kt

@@ -15,7 +15,7 @@ class ItemsAdderShopItem(
     itemSetting: ItemSetting
 ) : ShopItem(itemSetting) {
 
-    final override val material: Material
+    override val material: Material
 
     val custom: Int
 
@@ -34,13 +34,13 @@ class ItemsAdderShopItem(
     }
 
     override fun vanillaItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
             this.customModelData = custom
         }
     }
 
     override fun buildItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
             this.name = this@ItemsAdderShopItem.name
             this.lore.addAll(this@ItemsAdderShopItem.lore)
             this.customModelData = custom

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/impl/NeigeItem.kt

@@ -3,7 +3,6 @@ package com.github.xbaimiao.shoppro.core.item.impl
 import com.github.xbaimiao.shoppro.core.item.Item
 import com.github.xbaimiao.shoppro.core.item.ItemLoader
 import com.github.xbaimiao.shoppro.core.shop.Shop
-import ink.ptms.zaphkiel.Zaphkiel
 import org.bukkit.Bukkit
 import org.bukkit.Material
 import org.bukkit.configuration.ConfigurationSection

src/main/kotlin/com/github/xbaimiao/shoppro/core/item/impl/VanillaShopItem.kt

@@ -12,7 +12,7 @@ import taboolib.platform.util.hasLore
 open class VanillaShopItem(itemSetting: ItemSetting) : ShopItem(itemSetting) {
 
     override fun vanillaItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material)
+        return com.github.xbaimiao.shoppro.util.buildItem(material)
     }
 
     override fun equal(itemStack: ItemStack): Boolean {
@@ -20,7 +20,7 @@ open class VanillaShopItem(itemSetting: ItemSetting) : ShopItem(itemSetting) {
     }
 
     override fun buildItem(player: Player): ItemStack {
-        return taboolib.platform.util.buildItem(material) {
+        return com.github.xbaimiao.shoppro.util.buildItem(material) {
             this.name = this@VanillaShopItem.name
             this.lore.addAll(this@VanillaShopItem.lore)
         }

src/main/kotlin/com/github/xbaimiao/shoppro/core/shop/ShopImpl.kt

@@ -18,6 +18,7 @@ import taboolib.module.chat.colored
 import taboolib.module.ui.ClickType
 import taboolib.module.ui.openMenu
 import taboolib.module.ui.type.Basic
+import taboolib.module.ui.type.Chest
 import taboolib.platform.util.giveItem
 import taboolib.platform.util.hasItem
 import taboolib.platform.util.sendLang

src/main/kotlin/com/github/xbaimiao/shoppro/core/vault/VaultImpl.kt

@@ -2,16 +2,59 @@ package com.github.xbaimiao.shoppro.core.vault
 
 import com.github.xbaimiao.shoppro.util.Util.format
 import org.bukkit.entity.Player
+import org.bukkit.event.player.PlayerQuitEvent
+import taboolib.common.platform.event.EventPriority
+import taboolib.common.platform.event.SubscribeEvent
+import taboolib.common.platform.function.submit
 import taboolib.platform.compat.VaultService
+import java.util.concurrent.ConcurrentLinkedQueue
 
 object VaultImpl : Currency {
 
+    private val queue = ConcurrentLinkedQueue<ValueQueue>()
+
+    private data class ValueQueue(val player: Player, val money: Double)
+
+    fun startTask() {
+        submit(period = 20) {
+            flush()
+        }
+    }
+
+    @SubscribeEvent(priority = EventPriority.LOWEST)
+    fun quit(event: PlayerQuitEvent) {
+        val iterator = queue.iterator()
+        var amount = 0.0
+        while (iterator.hasNext()) {
+            val queue = iterator.next()
+            if (queue.player.uniqueId == event.player.uniqueId) {
+                amount += queue.money
+                iterator.remove()
+            }
+        }
+        if (amount > 0) {
+            realGiveMoney(event.player, amount)
+        }
+    }
+
+    fun flush() {
+        queue.groupBy { it.player }.forEach { (player, valueQueues) ->
+            val amount = valueQueues.sumOf { it.money }
+            realGiveMoney(player, amount)
+        }
+        queue.clear()
+    }
+
+    private fun realGiveMoney(player: Player, double: Double) {
+        VaultService.economy!!.depositPlayer(player, double.format())
+    }
+
     override fun hasMoney(player: Player, double: Double): Boolean {
         return getMoney(player) >= double.format()
     }
 
     override fun giveMoney(player: Player, double: Double) {
-        VaultService.economy!!.depositPlayer(player, double.format())
+        queue.offer(ValueQueue(player, double))
     }
 
     override fun takeMoney(player: Player, double: Double): Boolean {
@@ -26,5 +69,4 @@ object VaultImpl : Currency {
         return VaultService.economy!!.getBalance(player).format()
     }
 
-
 }

src/main/kotlin/com/github/xbaimiao/shoppro/util/ItemBuilder.kt

@@ -0,0 +1,363 @@
+package com.github.xbaimiao.shoppro.util
+
+import com.mojang.authlib.GameProfile
+import com.mojang.authlib.properties.Property
+import org.bukkit.ChatColor
+import org.bukkit.Color
+import org.bukkit.Material
+import org.bukkit.block.banner.Pattern
+import org.bukkit.enchantments.Enchantment
+import org.bukkit.entity.EntityType
+import org.bukkit.inventory.ItemStack
+import org.bukkit.inventory.meta.*
+import org.bukkit.potion.PotionData
+import org.bukkit.potion.PotionEffect
+import taboolib.library.reflex.Reflex.Companion.getProperty
+import taboolib.library.reflex.Reflex.Companion.invokeMethod
+import taboolib.library.reflex.Reflex.Companion.setProperty
+import taboolib.library.xseries.XMaterial
+import taboolib.module.chat.colored
+import taboolib.platform.util.isAir
+import java.util.*
+
+
+/**
+ * 通过现有物品构建新的物品
+ *
+ * @param itemStack 原始物品
+ * @param builder 构建器
+ * @return 新的物品
+ * @throws IllegalArgumentException 如果物品为空气
+ */
+fun buildItem(itemStack: ItemStack, builder: ItemBuilder.() -> Unit = {}): ItemStack {
+    if (itemStack.isAir()) {
+        error("air")
+    }
+    return ItemBuilder(itemStack).also(builder).build()
+}
+
+/**
+ * 通过 [Material] 材质构建新的物品
+ *
+ * @param material 材质
+ * @param builder 构建器
+ * @return 新的物品
+ * @throws IllegalArgumentException 如果材质为空气
+ */
+fun buildItem(material: Material, builder: ItemBuilder.() -> Unit = {}): ItemStack {
+    // 在低版本, 并没有 Material.isAir() 方法
+    if (material == Material.AIR) {
+        error("air")
+    }
+    return ItemBuilder(material).also(builder).build()
+}
+
+/**
+ * 通过 [XMaterial] 材质构建新的物品
+ *
+ * @param material 材质
+ * @param builder 构建器
+ * @return 新的物品
+ * @throws IllegalArgumentException 如果材质为空气
+ */
+fun buildItem(material: XMaterial, builder: ItemBuilder.() -> Unit = {}): ItemStack {
+    // 在低版本, 并没有 Material.isAir() 方法
+    if (material == XMaterial.AIR) {
+        error("air")
+    }
+    return ItemBuilder(material.parseMaterial() ?: error("material.parseMaterial() is null")).also(builder).build()
+}
+
+open class ItemBuilder {
+
+    class SkullTexture(val textures: String, val uuid: UUID? = UUID.randomUUID())
+
+    /**
+     * 物品材质
+     */
+    var material: Material
+
+    /**
+     * 数量
+     */
+    var amount = 1
+
+    /**
+     * 附加值（损伤值）
+     */
+    var damage = 0
+
+    /**
+     * 展示名称
+     */
+    var name: String? = null
+
+    /**
+     * 描述
+     */
+    val lore = ArrayList<String>()
+
+    /**
+     * 标签
+     */
+    val flags = ArrayList<ItemFlag>()
+
+    /**
+     * 附魔
+     */
+    val enchants = HashMap<Enchantment, Int>()
+
+    /**
+     * 旗帜花纹
+     */
+    val patterns = ArrayList<Pattern>()
+
+    /**
+     * 颜色
+     */
+    var color: Color? = null
+
+    /**
+     * 药水效果
+     */
+    val potions = ArrayList<PotionEffect>()
+
+    /**
+     * 基础药水效果
+     */
+    var potionData: PotionData? = null
+
+    /**
+     * 生物类型
+     */
+    var spawnType: EntityType? = null
+
+    /**
+     * 头颅信息
+     */
+    var skullOwner: String? = null
+
+    /**
+     * 头颅材质信息
+     */
+    var skullTexture: SkullTexture? = null
+
+    /**
+     * 无法破坏
+     */
+    var isUnbreakable = false
+
+    /**
+     * CustomModelData
+     */
+    var customModelData = -1
+
+    /**
+     * 原始数据
+     * 尝试修复自定义 nbt 失效的问题
+     */
+    var originMeta: ItemMeta? = null
+
+    /**
+     * 当构建完成时，做出最后修改
+     */
+    var finishing: (ItemStack) -> Unit = {}
+
+
+    /**
+     * 使其发光
+     */
+    fun shiny() {
+        flags += ItemFlag.HIDE_ENCHANTS
+        enchants[Enchantment.LURE] = 1
+    }
+
+    /**
+     * 隐藏所有附加信息（赋予所有 ItemFlag）
+     */
+    fun hideAll() {
+        flags.addAll(ItemFlag.values())
+    }
+
+    open fun getSkinValue(skull: ItemMeta): SkullTexture? {
+        var profile: GameProfile? = null
+        try {
+            profile = skull.getProperty("profile")
+        } catch (ignored: Exception) {
+        }
+        if (profile != null && !profile.properties["textures"].isEmpty()) {
+            for (property in profile.properties["textures"]) {
+                if (property.value.isNotEmpty()) {
+                    return SkullTexture(property.value, profile.id)
+                }
+            }
+        }
+        return null
+    }
+
+    /**
+     * 上色
+     */
+    fun colored() {
+        if (name != null) {
+            name = try {
+                name!!.colored()
+            } catch (ex: NoClassDefFoundError) {
+                ChatColor.translateAlternateColorCodes('&', name!!)
+            }
+        }
+        if (lore.isNotEmpty()) {
+            val newLore = try {
+                lore.colored()
+            } catch (ex: NoClassDefFoundError) {
+                lore.map { ChatColor.translateAlternateColorCodes('&', it) }
+            }
+            lore.clear()
+            lore += newLore
+        }
+    }
+
+    /**
+     * 构建物品
+     */
+    open fun build(): ItemStack {
+        val itemStack = ItemStack(material)
+        itemStack.amount = amount
+        if (damage != 0) {
+            itemStack.durability = damage.toShort()
+        }
+        val itemMeta = originMeta ?: itemStack.itemMeta ?: return itemStack
+        itemMeta.setDisplayName(name)
+        itemMeta.lore = lore
+        kotlin.runCatching {
+            itemMeta.addItemFlags(*flags.map { org.bukkit.inventory.ItemFlag.valueOf(it.name) }.toTypedArray())
+        }
+        if (itemMeta is EnchantmentStorageMeta) {
+            enchants.forEach { (e, lvl) -> itemMeta.addStoredEnchant(e, lvl, true) }
+        } else {
+            enchants.forEach { (e, lvl) -> itemMeta.addEnchant(e, lvl, true) }
+        }
+        when (itemMeta) {
+            is LeatherArmorMeta -> {
+                itemMeta.setColor(color)
+            }
+
+            is PotionMeta -> {
+                itemMeta.color = color
+                potions.forEach { itemMeta.addCustomEffect(it, true) }
+                if (potionData != null) {
+                    itemMeta.basePotionData = potionData!!
+                }
+            }
+
+            is SkullMeta -> {
+                if (skullOwner != null) {
+                    itemMeta.owner = skullOwner
+                }
+                if (skullTexture != null) {
+                    itemMeta.setProperty("profile", GameProfile(skullTexture!!.uuid, null).also {
+                        it.properties.put("textures", Property("textures", skullTexture!!.textures))
+                    })
+                }
+            }
+        }
+        try {
+            itemMeta.isUnbreakable = isUnbreakable
+        } catch (ex: NoSuchMethodError) {
+            try {
+                itemMeta.invokeMethod<Any>("spigot")!!.invokeMethod<Any>("setUnbreakable", isUnbreakable)
+            } catch (ignored: NoSuchMethodException) {
+            }
+        }
+        try {
+            if (spawnType != null && itemMeta is SpawnEggMeta) {
+                itemMeta.spawnedType = spawnType
+            }
+        } catch (ignored: NoClassDefFoundError) {
+        }
+        try {
+            if (patterns.isNotEmpty() && itemMeta is BannerMeta) {
+                patterns.forEach { itemMeta.addPattern(it) }
+            }
+        } catch (ignored: NoClassDefFoundError) {
+        }
+        try {
+            if (customModelData != -1) {
+                itemMeta.invokeMethod<Void>("setCustomModelData", customModelData)
+            }
+        } catch (ignored: NoSuchMethodException) {
+        }
+        itemStack.itemMeta = itemMeta
+        finishing(itemStack)
+        return itemStack
+    }
+
+    constructor(material: Material) {
+        this.material = material
+    }
+
+    /**
+     * 通过现有物品构建新的物品
+     * 读取基本信息
+     */
+    constructor(item: ItemStack) {
+        material = item.type
+        amount = item.amount
+        damage = item.durability.toInt()
+        // 如果物品没有 ItemMeta 则不进行后续操作
+        val itemMeta = item.itemMeta ?: return
+        originMeta = itemMeta
+        name = itemMeta.displayName
+        lore += itemMeta.lore ?: emptyList()
+        flags += kotlin.runCatching { itemMeta.itemFlags.map { ItemFlag.valueOf(it.name) } }.getOrElse { emptyList() }
+        enchants += if (itemMeta is EnchantmentStorageMeta) {
+            itemMeta.storedEnchants
+        } else {
+            itemMeta.enchants
+        }
+        when (itemMeta) {
+            is LeatherArmorMeta -> {
+                color = itemMeta.color
+            }
+
+            is PotionMeta -> {
+                color = itemMeta.color
+                potions += itemMeta.customEffects
+                potionData = itemMeta.basePotionData
+            }
+
+            is SkullMeta -> {
+                if (itemMeta.owner != null) {
+                    skullOwner = itemMeta.owner
+                }
+                skullTexture = getSkinValue(itemMeta)
+            }
+        }
+        try {
+            customModelData = itemMeta.getProperty<Int>("customModelData") ?: -1
+        } catch (ignored: NoSuchFieldException) {
+        }
+        try {
+            isUnbreakable = itemMeta.isUnbreakable
+        } catch (ex: NoSuchMethodError) {
+            try {
+                isUnbreakable = itemMeta.invokeMethod<Any>("spigot")!!.invokeMethod<Boolean>("isUnbreakable") ?: false
+            } catch (ignored: NoSuchMethodException) {
+            }
+        }
+        try {
+            if (itemMeta is SpawnEggMeta && itemMeta.spawnedType != null) {
+                spawnType = itemMeta.spawnedType
+            }
+        } catch (ignored: NoClassDefFoundError) {
+        } catch (ignored: UnsupportedOperationException) {
+
+        }
+        try {
+            if (itemMeta is BannerMeta && itemMeta.patterns.isNotEmpty()) {
+                patterns += itemMeta.patterns
+            }
+        } catch (ignored: NoClassDefFoundError) {
+        }
+    }
+}

src/main/kotlin/com/github/xbaimiao/shoppro/util/ItemFlag.java

@@ -0,0 +1,11 @@
+package com.github.xbaimiao.shoppro.util;
+
+public enum ItemFlag {
+    HIDE_ENCHANTS,
+    HIDE_ATTRIBUTES,
+    HIDE_UNBREAKABLE,
+    HIDE_DESTROYS,
+    HIDE_PLACED_ON,
+    HIDE_POTION_EFFECTS,
+    HIDE_DYE
+}