SpringBoot整合Redis

1. 导入相关依赖

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-redis</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
    </dependency>
</dependencies>

2. 编写application.properties配置文件，规定host和port

spring.redis.host=192.168.44.142
spring.redis.port=6379

3. 编写SpringBoot主启动类

@SpringBootApplication
public class RedisApplication {
    public static void main(String[] args) {
        SpringApplication.run(RedisApplication.class,args);
    }
}

4. 编写测试类

@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)
public class TestRedis {

    @Autowired
    private RedisTemplate redisTemplate;

    @Test
    public void testRedis(){
        redisTemplate.opsForValue().set("name","yorick");
        System.out.println(redisTemplate.opsForValue().get("name"));
    }
}

5. redisTemplate相关说明

1.对于基本类型String、list、set等操作都被放在各自的方法中，例如：opsForValue()，opsForList()，opsForSet()
2.常用操作，例如：multi，discard 等 可以直接调用。例如：redisTemplate.multi()，redisTemplate.discard()，redisTemplate.exec()
3.对连接的操作或者刷新数据库可以通过获取连接对象操作。例如：
RedisConnection connection = redisTemplate.getConnectionFactory().getConnection();
connection.flushDb();
connection.flushAll();

6. 编写自定义的redisTemplate

说明：使用默认的java序列化后，在redis中存储如下信息，不直观。为解决该问题，使用自定义的redisTemplate。

127.0.0.1:6379> keys *
1) "\xac\xed\x00\x05t\x00\x04name"

@Configuration
public class RedisConfig {

    @Bean
    @SuppressWarnings("all")
    public RedisTemplate<String,Object> redisTemplate(RedisConnectionFactory factory){
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(factory);
        //序列化配置
        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);
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

        template.setKeySerializer(stringRedisSerializer);
        template.setHashKeySerializer(stringRedisSerializer);
        template.setValueSerializer(jackson2JsonRedisSerializer);
        template.setHashValueSerializer(jackson2JsonRedisSerializer);
        return template;
    }
}

127.0.0.1:6379> keys *
1) "name"

参考地址：https://www.bilibili.com/video/BV1S54y1R7SB