Springboot下RedisTemplate的两种序列化方式实例详解

@Configuration
public class RedisConfig {

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory){
        // 创建RedisTemplate对象
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 设置连接工厂
        template.setConnectionFactory(connectionFactory);
        // 创建JSON序列化工具
        GenericJackson2JsonRedisSerializer jsonRedisSerializer =
                new GenericJackson2JsonRedisSerializer();
        StringRedisSerializer stringRedisSerializer =
                new StringRedisSerializer();
        // 设置Key的序列化
        template.setKeySerializer(stringRedisSerializer);
        template.setHashKeySerializer(stringRedisSerializer);
        // 设置Value的序列化
        template.setValueSerializer(jsonRedisSerializer);
        template.setHashValueSerializer(jsonRedisSerializer);
        // 返回
        return template;
    }
}

@SpringBootTest
class RedisDemoApplicationTests {

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    @Test
    void testString() {
        // 写入一条String数据
        redisTemplate.opsForValue().set("name", "虎哥");
        // 获取string数据
        Object name = redisTemplate.opsForValue().get("name");
        System.out.println("name = " + name);
    }

    @Test
    void testObject() {
        User user = new User();
        user.setName("何雨泊");
        user.setTel(110);
        redisTemplate.opsForValue().set("user",user);
        System.out.println("name = " + user);
    }
}

@SpringBootTest
public class RedisStringTests {
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    @Test
    void testString() {
        // 写入一条String数据
        stringRedisTemplate.opsForValue().set("stringRedisTemplate:name", "虎哥");
        // 获取string数据
        Object name = stringRedisTemplate.opsForValue().get("name");
        System.out.println("name = " + name);
    }
	/*
	*手动进行序列化，比较麻烦
	*/
    @Test
    void testObject() throws JsonProcessingException{
        // 创建
        ObjectMapper mapper = new ObjectMapper();

        User user = new User();
        user.setName("何雨泊");
        user.setTel(110);
        // 手动序列化
        String json = mapper.writeValueAsString(user);
        stringRedisTemplate.opsForValue().set("stringRedisTemplate:user",json);

        String string = stringRedisTemplate.opsForValue().get("stringRedisTemplate:user");
        // 手动反序列化
        User user1 = mapper.readValue(string, User.class);
        System.out.println("name = " + user1);
    }
	/*
    * 利用hutool库内的JSONUtil工具类，省去手动序列化，库的依赖在下面
    * */
    @Test
    void testObject1() {
        User user = new User();
        user.setName("何雨泊");
        user.setTel(110);
        /*利用hutool库内的JSONUtil进行自动序列化，将user转json*/
        stringRedisTemplate.opsForValue().set("user", JSONUtil.toJsonStr(user));
        String userjson = stringRedisTemplate.opsForValue().get("user");
        /*将json转为bean对象*/
        User user1 = JSONUtil.toBean(userjson, User.class);
        System.out.println("name = " + user1);
    }
}

        <!--hutool-->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.17</version>
        </dependency>