专栏推荐:
勾选一些初始化的依赖配置:
Spring Boot项目初始化完成。
三、引入Redis依赖
构建完成Spring Boot项目工程之后,需要在
pom.xml
文件中引入redis
相关依赖<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-pool2</artifactId><version>2.6.0</version></dependency>
四、Reds相关配置
将redis相关的依赖引入到项目中之后,需要对redis进行一些配置,在
application.properties
配置redis:# Redis服务器地址spring.redis.host=自己搭建的redis服务器的 IP# Redis服务器连接端口spring.redis.port=6379# Redis数据库索引(默认为0)spring.redis.database= 0# 连接超时时间(毫秒)spring.redis.timeout=1800000# 连接池最大连接数(使用负值表示没有限制)spring.redis.lettuce.pool.max-active=20# 最大阻塞等待时间(负数表示没限制)spring.redis.lettuce.pool.max-wait=-1# 连接池中的最大空闲连接spring.redis.lettuce.pool.max-idle=5# 连接池中的最小空闲连接spring.redis.lettuce.pool.min-idle=0
五、添加Redis配置类
对Redis相关配置完成后,添加Redis配置类,(拿来即用):
package com.zhao.demo.config;import com.fasterxml.jackson.annotation.JsonAutoDetect;import com.fasterxml.jackson.annotation.PropertyAccessor;import com.fasterxml.jackson.databind.ObjectMapper;import org.springframework.cache.CacheManager;import org.springframework.cache.annotation.CachingConfigurerSupport;import org.springframework.cache.annotation.EnableCaching;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.data.redis.cache.RedisCacheConfiguration;import org.springframework.data.redis.cache.RedisCacheManager;import org.springframework.data.redis.connection.RedisConnectionFactory;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;import org.springframework.data.redis.serializer.RedisSerializationContext;import org.springframework.data.redis.serializer.RedisSerializer;import org.springframework.data.redis.serializer.StringRedisSerializer;import java.time.Duration;/** * @author xiaoZhao * @date 2022/9/6 * @describe */@EnableCaching@Configurationpublic class RedisConfig extends CachingConfigurerSupport { @Bean public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) { RedisTemplate<String, Object> template = new RedisTemplate<>(); RedisSerializer<String> redisSerializer = new StringRedisSerializer(); Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class); ObjectMapper om = new ObjectMapper(); om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL); jackson2JsonRedisSerializer.setObjectMapper(om); template.setConnectionFactory(factory); //key序列化方式 template.setKeySerializer(redisSerializer); //value序列化 template.setValueSerializer(jackson2JsonRedisSerializer); //value hashmap序列化 template.setHashValueSerializer(jackson2JsonRedisSerializer); return template; } @Bean public CacheManager cacheManager(RedisConnectionFactory factory) { RedisSerializer<String> redisSerializer = new StringRedisSerializer(); Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class); //解决查询缓存转换异常的问题 ObjectMapper om = new ObjectMapper(); om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY); om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL); jackson2JsonRedisSerializer.setObjectMapper(om); // 配置序列化(解决乱码的问题),过期时间600秒 RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig() .entryTtl(Duration.ofSeconds(600)) .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer)) .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer)) .disableCachingNullValues(); RedisCacheManager cacheManager = RedisCacheManager.builder(factory) .cacheDefaults(config) .build(); return cacheManager; }}
六、测试一下
将所有的环境依赖和配置搭建完成之后,进行测试一把。
① 首先,确保安装
Redis
的服务器已经启动Redis服务② 编写
controller
类,前提需要引入Spring Boot Web
的依赖:package com.zhao.demo.controller;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;/** * @author xiaoZhao * @date 2022/9/6 * @describe */@RestController@RequestMapping("/redistest")public class RedisTestController { @Autowired private RedisTemplate redisTemplate; @GetMapping public String testRedis(){ // 设置值到reids redisTemplate.opsForValue().set("name","jack"); // 从redis中获取值 String name = (String)redisTemplate.opsForValue().get("name"); return name; }}
③ 启动Spring Boot工程,在浏览器上向接口发送请求:
项目启动成功,向
/redistest
接口发送请求请求发送成功,获取到数据,测试成功,至此Spring Boot整合 Redis所有步骤已经完成,