SpringBoot集成Redis之配置、序列化与持久化方式

<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>

spring:
  redis:
    host: 自己的ip
    port: 自己的端口号  # 默认 6379
    database: 0  # Redis使用的数据库
    timeout: 18000  # 连接超时事件毫秒
    password: yourpassword  # 密码（如果需要）
    lettuce:
      pool:
        max-active: 20  # 连接池最大连接数
        max-idle: 5  # 最大阻塞等待时间
        min-idle: 0  # 连接池最小空闲连接

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.util.Arrays;

@Configuration
public class RedisConfig {
    @Bean
    public RedisTemplate<String,Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory){
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(lettuceConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }
}

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.core.RedisTemplate;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@SpringBootTest
public class RedisTest {
    @Autowired
    RedisTemplate<String, Object> redisTemplate;

    @Test
    public void testString() {
        String key = "name";
        String name = "dession";
        redisTemplate.opsForValue().set(key, name);
        redisTemplate.expire(key, 1, TimeUnit.DAYS);
        System.out.println("Retrieved from Redis: " + redisTemplate.opsForValue().get(key));
    }

    @Test
    public void testHash() {
        String key = "users";
        redisTemplate.opsForHash().put(key, "name", "zhangsan");
        redisTemplate.expire(key, 1, TimeUnit.DAYS);
        Map<String, Object> map = new HashMap<>();
        map.put("age", 12);
        map.put("sex", "男");
        redisTemplate.opsForHash().putAll(key, map);
        Object name = redisTemplate.opsForHash().get(key, "name");
        System.out.println("Name from Hash: " + name);
    }
}