springboot + redis实现缓存功能安装好redis，添加项目依赖创建RedisService接口和实现类@

安装好redis，添加项目依赖

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-redis</artifactId>
        <version>2.1.4.RELEASE</version>
    </dependency>
   
   配置文件如下

创建RedisService接口

和实现类

@Service public class RedisServiceImpl implements RedisService {

@Autowired
StringRedisTemplate stringRedisTemplate;


@Override
public void set(String key, String value) {
    stringRedisTemplate.opsForValue().set(key, value);
}

@Override
public String get(String key) {
    return stringRedisTemplate.opsForValue().get(key);
}

@Override
public boolean expire(String key, long expire) {
    return stringRedisTemplate.expire(key,expire, TimeUnit.SECONDS);
}

@Override
public void remove(String key) {
    stringRedisTemplate.delete(key);
}

@Override
public Long increment(String key, long delta) {
    return stringRedisTemplate.opsForValue().increment(key, delta);
}

}

  在需要使用的实现类中注入RedisService即可