<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.8</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
 
 <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.4.1</version>
        </dependency>

   <!-- mybatis 二級緩存使用-->
        <dependency>
            <groupId>net.sf.ehcache</groupId>
            <artifactId>ehcache</artifactId>
            <version>2.10.8</version>
        </dependency>

<?xml version="1.0" encoding="UTF-8"?>
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="http://www.ehcache.org/ehcache.xsd">
 
    <cache name="default"
           maxEntriesLocalHeap="10000"
           eternal="false"
           timeToIdleSeconds="300"
           timeToLiveSeconds="600"
           memoryStoreEvictionPolicy="LFU">
    </cache>
</ehcache>

import org.apache.ibatis.annotations.CacheNamespace;
import org.apache.ibatis.annotations.Mapper;
 
@Mapper
@CacheNamespace
public interface YourMapper {
    // 方法定義
}

spring.cache.type=ehcache
spring.cache.ehcache.config=classpath:ehcache.xml

spring:
  cache:
    type: ehcache
    ehcache:
      config: classpath:ehcache.xml