pom.xml:
<!-- 添加redis支持 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-redis</artifactId> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.6.2</version> </dependency> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-redis</artifactId> <version>1.5.0.RELEASE</version> </dependency>
RedisCacheConfig.java:
@Bean(name="jedisConnectionFactory") JedisConnectionFactory jedisConnectionFactory() { JedisConnectionFactory factory = new JedisConnectionFactory(); return factory; } @Bean RedisTemplate<String, Object> redisTemplate() { RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>(); redisTemplate.setConnectionFactory(jedisConnectionFactory()); return redisTemplate; }
工具类:
@SuppressWarnings("unchecked") @Component public class RedisUtil { @SuppressWarnings("rawtypes") @Autowired private RedisTemplate redisTemplate; public void test() { redisTemplate.opsForValue().set("q", 123);//这里的redisTemplate=null 不知为何? } }
调用test()方法 报java.lang.NullPointerException 求指点明灯