5.4 SpringBoot整合Redis
5.4.1 添加redis的起步依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
5.4.2 配置redis的连接信息
#Redis
spring.redis.host=127.0.0.1
spring.redis.port=6379
5.4.3 注入RedisTemplate测试redis操作
@RunWith(SpringRunner.class)
@SpringBootTest(classes = SpringbootJpaApplication.class)
public class RedisTest {
@Autowired
private UserRepository userRepository;
@Autowired
private RedisTemplate<String, String> redisTemplate;
@Test
public void test() throws JsonProcessingException {
String userListData = redisTemplate.boundValueOps("user.findAll").get();
if(null==userListData){
List<User> all = userRepository.findAll();
ObjectMapper om = new ObjectMapper();
userListData = om.writeValueAsString(all);
redisTemplate.boundValueOps("user.findAll").set(userListData);
System.out.println("===============从数据库获得数据===============");
}else{
System.out.println("===============从redis缓存中获得数据===============");
}
System.out.println(userListData);
}
}