說明
項目基於 Spring boot 2.0.5.RELEASE
正文
1. 引入 Maven 依賴
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
2. 編寫 RedisConfig 配置類
package com.shawearn.www.redisdemo.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
@Configuration
public class RedisConfig {
@Bean("redisStandaloneConfiguration")
public RedisStandaloneConfiguration redisStandaloneConfiguration() {
RedisStandaloneConfiguration configuration =
new RedisStandaloneConfiguration();
// 從配置中讀取 Redis 服務器信息;
// ......
return configuration;
}
@Bean("redisConnectionFactory")
public RedisConnectionFactory redisConnectionFactory(
RedisStandaloneConfiguration redisStandaloneConfiguration) {
return new JedisConnectionFactory(redisStandaloneConfiguration);
}
@Bean("redisTemplate")
public RedisTemplate redisTemplate(
RedisConnectionFactory redisConnectionFactory) {
// 序列化;
Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer
= new Jackson2JsonRedisSerializer<Object>(Object.class);
ObjectMapper om = new ObjectMapper();
om.setVisibility(PropertyAccessor.ALL,
JsonAutoDetect.Visibility.ANY);
om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(om);
RedisTemplate<String, Object> template = new RedisTemplate<>();
template.setConnectionFactory(redisConnectionFactory);
// 指定相應的序列化類型;
template.setKeySerializer(new StringRedisSerializer());
template.setValueSerializer(jackson2JsonRedisSerializer);
template.setHashKeySerializer(jackson2JsonRedisSerializer);
template.setHashValueSerializer(jackson2JsonRedisSerializer);
template.afterPropertiesSet();
return template;
}
}
3. 使用
@Autowired
RedisTemplate<String, Object> redisTemplate;
redisTemplate.opsForValue().get(key);