二级缓存

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Ehcache　　Oscache

Ehcache

先引入两个jar包

<!-- https://mvnrepository.com/artifact/org.ehcache/ehcache -->
<dependency>
  <groupId>org.ehcache</groupId>
  <artifactId>ehcache</artifactId>
  <version>3.5.2</version>
</dependency>

<!-- https://mvnrepository.com/artifact/org.mybatis.caches/mybatis-ehcache -->
<dependency>
  <groupId>org.mybatis.caches</groupId>
  <artifactId>mybatis-ehcache</artifactId>
  <version>1.2.0</version>
</dependency>

打开二级缓存

<settings>
    <setting name="cacheEnabled" value="true"/>
</settings>

ehcache配置文件ehcache.xml

<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="http://ehcache.org/ehcache.xsd">
    <!-- 磁盘保存路径 -->
    <diskStore path="D:\\ehcache" />

    <defaultCache
            maxElementsInMemory="10000"
            maxElementsOnDisk="10000000"
            eternal="false"
            overflowToDisk="true"
            timeToIdleSeconds="120"
            timeToLiveSeconds="120"
            diskExpiryThreadIntervalSeconds="120"
            memoryStoreEvictionPolicy="LRU">
    </defaultCache>
</ehcache>

slf4j-log4j  jar包

<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 -->
<dependency>
  <groupId>org.slf4j</groupId>
  <artifactId>slf4j-log4j12</artifactId>
  <version>1.7.25</version>
  <scope>test</scope>
</dependency>

二级缓存

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原文地址：https://www.cnblogs.com/Tsugar/p/12296126.html