From 30bc36f5bf4887007c0ddd208b5b4e296302b7a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=96=AF=E7=8B=82=E7=9A=84=E7=8B=AE=E5=AD=90li?=
 <15040126243@163.com>
Date: Wed, 20 Apr 2022 10:43:14 +0800
Subject: [PATCH] =?UTF-8?q?update=20=E4=BD=BF=E7=94=A8=20spring=20cglib=20?=
 =?UTF-8?q?=E6=9B=BF=E6=8D=A2=20=E5=81=9C=E6=AD=A2=E7=BB=B4=E6=8A=A4?=
 =?UTF-8?q?=E7=9A=84=20cglib?=
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---
 pom.xml                                       |  6 --
 ruoyi-common/ruoyi-common-core/pom.xml        |  5 --
 .../common/core/utils/BeanCopyUtils.java      | 76 +++++++++++++++++--
 3 files changed, 68 insertions(+), 19 deletions(-)

diff --git a/pom.xml b/pom.xml
index 18fc016e..26f57c4d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -215,12 +215,6 @@
                 </exclusions>
             </dependency>
 
-            <dependency>
-                <groupId>cglib</groupId>
-                <artifactId>cglib</artifactId>
-                <version>${cglib.version}</version>
-            </dependency>
-
             <!-- 代码生成使用模板 -->
             <dependency>
                 <groupId>org.apache.velocity</groupId>
diff --git a/ruoyi-common/ruoyi-common-core/pom.xml b/ruoyi-common/ruoyi-common-core/pom.xml
index 80d4dc0e..39704f48 100644
--- a/ruoyi-common/ruoyi-common-core/pom.xml
+++ b/ruoyi-common/ruoyi-common-core/pom.xml
@@ -66,11 +66,6 @@
             <artifactId>commons-lang3</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>cglib</groupId>
-            <artifactId>cglib</artifactId>
-        </dependency>
-
         <!-- Java Servlet -->
         <dependency>
             <groupId>javax.servlet</groupId>
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/BeanCopyUtils.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/BeanCopyUtils.java
index 67cc835a..efcf0312 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/BeanCopyUtils.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/BeanCopyUtils.java
@@ -1,15 +1,20 @@
 package com.ruoyi.common.core.utils;
 
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.SimpleCache;
 import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.ReflectUtil;
-import cn.hutool.extra.cglib.CglibUtil;
+import cn.hutool.core.util.StrUtil;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
+import org.springframework.cglib.beans.BeanCopier;
+import org.springframework.cglib.beans.BeanMap;
+import org.springframework.cglib.core.Converter;
 
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * bean深拷贝工具(基于 cglib 性能优异)
@@ -33,7 +38,8 @@ public class BeanCopyUtils {
         if (ObjectUtil.isNull(desc)) {
             return null;
         }
-        return CglibUtil.copy(source, desc);
+        final V target = ReflectUtil.newInstanceIfPossible(desc);
+        return copy(source, target);
     }
 
     /**
@@ -50,7 +56,8 @@ public class BeanCopyUtils {
         if (ObjectUtil.isNull(desc)) {
             return null;
         }
-        CglibUtil.copy(source, desc);
+        BeanCopier beanCopier = BeanCopierCache.INSTANCE.get(source.getClass(), desc.getClass(), null);
+        beanCopier.copy(source, desc, null);
         return desc;
     }
 
@@ -68,7 +75,11 @@ public class BeanCopyUtils {
         if (CollUtil.isEmpty(sourceList)) {
             return CollUtil.newArrayList();
         }
-        return CglibUtil.copyList(sourceList, () -> ReflectUtil.newInstanceIfPossible(desc));
+        return sourceList.stream().map(source -> {
+            V target = ReflectUtil.newInstanceIfPossible(desc);
+            copy(source, target);
+            return target;
+        }).collect(Collectors.toList());
     }
 
     /**
@@ -77,12 +88,12 @@ public class BeanCopyUtils {
      * @param bean 数据来源实体
      * @return map对象
      */
-    @SuppressWarnings("all")
+    @SuppressWarnings("unchecked")
     public static <T> Map<String, Object> copyToMap(T bean) {
         if (ObjectUtil.isNull(bean)) {
             return null;
         }
-        return CglibUtil.toMap(bean);
+        return BeanMap.create(bean);
     }
 
     /**
@@ -99,7 +110,8 @@ public class BeanCopyUtils {
         if (ObjectUtil.isNull(beanClass)) {
             return null;
         }
-        return CglibUtil.toBean(map, beanClass);
+        T bean = ReflectUtil.newInstanceIfPossible(beanClass);
+        return mapToBean(map, bean);
     }
 
     /**
@@ -116,6 +128,54 @@ public class BeanCopyUtils {
         if (ObjectUtil.isNull(bean)) {
             return null;
         }
-        return CglibUtil.fillBean(map, bean);
+        BeanMap.create(bean).putAll(map);
+        return bean;
     }
+
+    /**
+     * BeanCopier属性缓存<br>
+     * 缓存用于防止多次反射造成的性能问题
+     *
+     * @author Looly
+     * @since 5.4.1
+     */
+    public enum BeanCopierCache {
+        /**
+         * BeanCopier属性缓存单例
+         */
+        INSTANCE;
+
+        private final SimpleCache<String, BeanCopier> cache = new SimpleCache<>();
+
+        /**
+         * 获得类与转换器生成的key在{@link BeanCopier}的Map中对应的元素
+         *
+         * @param srcClass    源Bean的类
+         * @param targetClass 目标Bean的类
+         * @param converter   转换器
+         * @return Map中对应的BeanCopier
+         */
+        public BeanCopier get(Class<?> srcClass, Class<?> targetClass, Converter converter) {
+            final String key = genKey(srcClass, targetClass, converter);
+            return cache.get(key, () -> BeanCopier.create(srcClass, targetClass, converter != null));
+        }
+
+        /**
+         * 获得类与转换器生成的key
+         *
+         * @param srcClass    源Bean的类
+         * @param targetClass 目标Bean的类
+         * @param converter   转换器
+         * @return 属性名和Map映射的key
+         */
+        private String genKey(Class<?> srcClass, Class<?> targetClass, Converter converter) {
+            final StringBuilder key = StrUtil.builder()
+                .append(srcClass.getName()).append('#').append(targetClass.getName());
+            if(null != converter){
+                key.append('#').append(converter.getClass().getName());
+            }
+            return key.toString();
+        }
+    }
+
 }