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1.修改pom文件,添加redis依赖:
<!--redis 使用-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>2.0.9.RELEASE</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
<!--json处理-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.49</version>
</dependency>
2.spring配置文件修改[application.yml]:
redis:
cluster:
nodes: 192.168.20.68:7001,192.168.20.68:7002,192.168.20.68:7003,192.168.20.68:7004,192.168.20.68:7005
jedis:
pool:
max-active: 8
max-idle: 8
max-wait: -1
min-idle: 0
timeout: 0
3.创建redis配置类:
@ConditionalOnClass({JedisCluster.class})
@Configuration
public class RedisConfig4Cluster {
@Value("${spring.redis.cluster.nodes}")
private String clusterNodes;
@Value("${spring.redis.timeout}")
private int timeout;
@Value("${spring.redis.jedis.pool.max-idle}")
private int maxIdle;
@Value("${spring.redis.jedis.pool.max-wait}")
private long maxWaitMillis;
@Bean
public JedisCluster getJedisCluster() {
String[] cNodes = clusterNodes.split(",");
Set<HostAndPort> nodes =new HashSet<>();
//分割出集群节点
for(String node : cNodes) {
String[] hp = node.split(":");
nodes.add(new HostAndPort(hp[0],Integer.parseInt(hp[1])));
}
JedisPoolConfig jedisPoolConfig =new JedisPoolConfig();
jedisPoolConfig.setMaxIdle(maxIdle);
jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
//创建集群对象
return new JedisCluster(nodes,timeout,jedisPoolConfig);
}
/**
* 设置数据存入redis 的序列化方式
*</br>redisTemplate序列化默认使用的jdkSerializeable,存储二进制字节码,导致key会出现乱码,所以自定义
*序列化类
*
* @paramredisConnectionFactory
*/
@Bean
public RedisTemplate<Object,Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)throws UnknownHostException {
RedisTemplate<Object,Object> redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(redisConnectionFactory);
Jackson2JsonRedisSerializer jackson2JsonRedisSerializer =new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper objectMapper =new ObjectMapper();
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
redisTemplate.setKeySerializer(new StringRedisSerializer());
redisTemplate.afterPropertiesSet();
return redisTemplate;
}
}
4.测试用例:
@Autowired
private JedisCluster jedisCluster;
@Test
public void testRedisCluster(){
final String NAME_KEY="name_key";
jedisCluster.set(NAME_KEY,"berg");
System.out.println("==========set cache============");
String userName=jedisCluster.get(NAME_KEY);
System.out.println("=========get cache=============userName:"+userName);
}