使用ehcache三步搞定springboot缓存的方法示例

<?xml version= "1.0" encoding= "utf-8" ?>

<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.org/2001/xmlschema-instance"

  xsi:schemalocation= "http://maven.apache.org/pom/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" >

  <modelversion> 4.0 . 0 </modelversion>

  <parent>

  <groupid>org.springframework.boot</groupid>

  <artifactid>spring-boot-starter-parent</artifactid>

  <version> 2.1 . 3 .release</version>

  <relativepath/> <!-- lookup parent from repository -->

  </parent>

  <groupid>com.ramostear</groupid>

  <artifactid>cache</artifactid>

  <version> 0.0 . 1 -snapshot</version>

  <name>cache</name>

  <description>demo project for spring boot</description>

  <properties>

  <java.version> 1.8 </java.version>

  </properties>

  <dependencies>

  <dependency>

   <groupid>org.springframework.boot</groupid>

   <artifactid>spring-boot-starter-cache</artifactid>

  </dependency>

  <dependency>

   <groupid>org.springframework.boot</groupid>

   <artifactid>spring-boot-starter-web</artifactid>

  </dependency>

  <dependency>

   <groupid>org.ehcache</groupid>

   <artifactid>ehcache</artifactid>

  </dependency>

  <dependency>

   <groupid>javax.cache</groupid>

   <artifactid>cache-api</artifactid>

  </dependency>

  <dependency>

   <groupid>org.springframework.boot</groupid>

   <artifactid>spring-boot-starter-test</artifactid>

   <scope>test</scope>

  </dependency>

  <dependency>

   <groupid>org.projectlombok</groupid>

   <artifactid>lombok</artifactid>

  </dependency>

  </dependencies>

  <build>

  <plugins>

   <plugin>

   <groupid>org.springframework.boot</groupid>

   <artifactid>spring-boot-maven-plugin</artifactid>

   </plugin>

  </plugins>

  </build>

</project>

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

package com.ramostear.cache;

import org.springframework.boot.springapplication;

import org.springframework.boot.autoconfigure. springboot application;

import org.springframework.cache.annotation.enablecaching;

@springbootapplication

@enablecaching

public class cacheapplication {

  public static void main(string[] args) {

  springapplication.run(cacheapplication. class , args);

  }

}

<config xmlns:xsi= "http://HdhCmsTestw3.org/2001/xmlschema-instance"

     xmlns= "http://HdhCmsTestehcache.org/v3"

     xmlns:jsr107= "http://HdhCmsTestehcache.org/v3/jsr107"

     xsi:schemalocation="

       http: //HdhCmsTestehcache.org/v3 http://HdhCmsTestehcache.org/schema/ehcache-core-3.0.xsd

       http: //HdhCmsTestehcache.org/v3/jsr107 http://HdhCmsTestehcache.org/schema/ehcache-107-ext-3.0.xsd">

   <service>

     <jsr107:defaults enable-statistics= "true" />

   </service>

   <cache alias= "person" >

     <key-type>java.lang. long </key-type>

     <value-type>com.ramostear.cache.entity.person</value-type>

     <expiry>

       <ttl unit= "minutes" > 1 </ttl>

     </expiry>

     <listeners>

       <listener>

         < class >com.ramostear.cache.config.personcacheeventlogger</ class >

         <event-firing-mode>asynchronous</event-firing-mode>

         <event-ordering-mode>unordered</event-ordering-mode>

         <events-to-fire-on>created</events-to-fire-on>

         <events-to-fire-on>updated</events-to-fire-on>

         <events-to-fire-on>expired</events-to-fire-on>

         <events-to-fire-on>removed</events-to-fire-on>

         <events-to-fire-on>evicted</events-to-fire-on>

       </listener>

     </listeners>

     <resources>

         <heap unit= "entries" > 2000 </heap>

         <offheap unit= "mb" > 100 </offheap>

     </resources>

   </cache>

</config>

package com.ramostear.cache.config;

import org.ehcache.event.cacheevent;

import org.ehcache.event.cacheeventlistener;

import org.slf4j.logger;

import org.slf4j.loggerfactory;

/**

  * @author ramostear

  * @create-time 2019/4/7 0007-0:48

  * @modify by :

  * @since:

  */

public class personcacheeventlogger implements cacheeventlistener<object,object>{

   private static final logger logger = loggerfactory.getlogger(personcacheeventlogger. class );

   @override

   public void onevent(cacheevent cacheevent) {

     logger.info( "person caching event {} {} {} {}" ,

         cacheevent.gettype(),

         cacheevent.getkey(),

         cacheevent.getoldvalue(),

         cacheevent.getnewvalue());

   }

}

package com.ramostear.cache.service;

import com.ramostear.cache.entity.person;

import org.springframework.cache.annotation.cacheable;

import org.springframework.stereotype.service;

/**

  * @author ramostear

  * @create-time 2019/4/7 0007-0:51

  * @modify by :

  * @since:

  */

@service (value = "personservice" )

public class personservice {

   @cacheable (cachenames = "person" ,key = "#id" )

   public person getperson( long id){

     person person = new person(id, "ramostear" , "ramostear@163测试数据" );

     return person;

   }

}

package com.ramostear.cache.controller;

import com.ramostear.cache.entity.person;

import com.ramostear.cache.service.personservice;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.http.httpstatus;

import org.springframework.http.responseentity;

import org.springframework.web.bind.annotation.getmapping;

import org.springframework.web.bind.annotation.pathvariable;

import org.springframework.web.bind.annotation.requestmapping;

import org.springframework.web.bind.annotation.restcontroller;

/**

  * @author ramostear

  * @create-time 2019/4/7 0007-0:54

  * @modify by :

  * @since:

  */

@restcontroller

@requestmapping ( "/persons" )

public class personcontroller {

   @autowired

   private personservice personservice;

   @getmapping ( "/{id}" )

   public responseentity<person> person( @pathvariable (value = "id" ) long id){

     return new responseentity<>(personservice.getperson(id), httpstatus.ok);

   }

}

package com.ramostear.cache.entity;

import lombok.allargsconstructor;

import lombok.getter;

import lombok.noargsconstructor;

import lombok.setter;

import java.io.serializable;

/**

  * @author ramostear

  * @create-time 2019/4/7 0007-0:45

  * @modify by :

  * @since:

  */

@getter

@setter

@allargsconstructor

@noargsconstructor

public class person implements serializable{

   private long id;

   private string username;

   private string email;

}