maven配置

<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>2.11.1</version>
</dependency>

application.yaml配置

spring:
  application:
    name: daisy-web-test
  redis:
    host: 127.0.0.1
    port: 6379
    password: 123456
    lettuce:
      pool:
        max-active: 10
        max-idle: 10
        min-idle: 1
        time-between-eviction-runs: 10s
        enabled: true
    sentinel:
      master: mymaster
      password: 123456
      nodes: 192.168.2.168:26379,192.168.2.168:26380,192.168.2.168:26381

RedisConfig配置

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

@Configuration
public class RedisConfig {

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        //大多数情况，都是选用<String, Object>
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);

        StringRedisSerializer serializer = new StringRedisSerializer();
        template.setKeySerializer(serializer);
        template.setHashKeySerializer(serializer);
        return template;
    }


}

cotroller测试

import cn.hutool.core.lang.UUID;
import com.daisy.web.test.util.redis.CacheUtilManager;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import cn.hutool.core.lang.UUID;
import com.daisy.web.test.util.redis.CacheUtilManager;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/redis")
@Log4j2
public class RedisController {

	@Autowired
	private RedisTemplate redisTemplate;

	/**
	 * http://127.0.0.1:8888/redis/set
	 * @return
	 */
	@RequestMapping("/set")
	public String user() {
		try {
			for (int i = 0; i < Integer.MAX_VALUE; i++) {
				TimeUnit.SECONDS.sleep(2);
				String key="name";

				Object o = redisTemplate.opsForValue().get(key);
				System.out.println("old value : "+o);
				String value= java.util.UUID.randomUUID().toString();
				redisTemplate.opsForValue().set(key, value);
				Object o2 = redisTemplate.opsForValue().get(key);
				System.out.println("new value : "+o2);
			}
			return UUID.randomUUID().toString();
		} catch (Exception e) {
			e.printStackTrace();
			return "error";
		}
	}

}

启动项目访问

测试地址

http://127.0.0.1:8888/redis/set

查看日志

异常测试

停掉集群中的master节点，观察日志，发现报错，然后从节点变为主节点后又连接成功，可以继续使用