SpringBoot 整合 Lettuce Redis的实现方法

<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.apache.commons</groupId>
  <artifactId>commons-pool2</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-test</artifactId>
  <scope>test</scope>
</dependency>

spring.redis.host=localhost
spring.redis.password=battcn
# 连接超时时间（毫秒）
spring.redis.timeout=10000
# Redis默认情况下有16个分片，这里配置具体使用的分片，默认是0
spring.redis.database=0
# 连接池最大连接数（使用负值表示没有限制） 默认 8
spring.redis.lettuce.pool.max-active=8
# 连接池最大阻塞等待时间（使用负值表示没有限制） 默认 -1
spring.redis.lettuce.pool.max-wait=-1
# 连接池中的最大空闲连接 默认 8
spring.redis.lettuce.pool.max-idle=8
# 连接池中的最小空闲连接 默认 0
spring.redis.lettuce.pool.min-idle=0

package com.battcn.entity;

import java.io.Serializable;

/**
 * @author Levin
 * @since 2018/5/10 0007
 */
public class User implements Serializable {

  private static final long serialVersionUID = 8655851615465363473L;
  private Long id;
  private String username;
  private String password;
  // TODO 省略get set
}

package com.battcn.config;

import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
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.io.Serializable;

/**
 * TODO 修改database
 *
 * @author Levin
 * @since 2018/5/10 0022
 */
@Configuration
@AutoConfigureAfter(RedisAutoConfiguration.class)
public class RedisCacheAutoConfiguration {

  @Bean
  public RedisTemplate<String, Serializable> redisCacheTemplate(LettuceConnectionFactory redisConnectionFactory) {
    RedisTemplate<String, Serializable> template = new RedisTemplate<>();
    template.setKeySerializer(new StringRedisSerializer());
    template.setValueSerializer(new GenericJackson2JsonRedisSerializer());
    template.setConnectionFactory(redisConnectionFactory);
    return template;
  }
}

package com.battcn;

import com.battcn.entity.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.test.context.junit4.SpringRunner;

import java.io.Serializable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.stream.IntStream;

/**
 * @author Levin
 * @since 2018/5/10 0010
 */
@RunWith(SpringRunner.class)
@SpringBootTest
public class Chapter8ApplicationTest {

  private static final Logger log = LoggerFactory.getLogger(Chapter8ApplicationTest.class);

  @Autowired
  private StringRedisTemplate stringRedisTemplate;

  @Autowired
  private RedisTemplate<String, Serializable> redisCacheTemplate;

  @Test
  public void get() {
    // TODO 测试线程安全
    ExecutorService executorService = Executors.newFixedThreadPool(1000);
    IntStream.range(0, 1000).forEach(i ->
        executorService.execute(() -> stringRedisTemplate.opsForValue().increment("kk", 1))
    );
    stringRedisTemplate.opsForValue().set("k1", "v1");
    final String k1 = stringRedisTemplate.opsForValue().get("k1");
    log.info("[字符缓存结果] - [{}]", k1);
    // TODO 以下只演示整合，具体Redis命令可以参考官方文档，Spring Data Redis 只是改了个名字而已，Redis支持的命令它都支持
    String key = "battcn:user:1";
    redisCacheTemplate.opsForValue().set(key, new User(1L, "u1", "pa"));
    // TODO 对应 String（字符串）
    final User user = (User) redisCacheTemplate.opsForValue().get(key);
    log.info("[对象缓存结果] - [{}]", user);
  }
}