<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

@Component
public class redisUtils {

    @Resource
    private RedisTemplate<String, String> redisTemplate;

    public static RedisTemplate redis;

    @PostConstruct
    public void redisUtils(){
        redis = this.redisTemplate;
    }
}

public String saveUser() {
    redisUtils.redis.opsForValue().set("name","zhangsan1");
    String str = new String("保存成功");
    return str;
}

public String getUser() {
    Object object = redisUtils.redis.opsForValue().get("name");
    if(object != null){
        return object.toString();
    }else{
        return "數(shù)據(jù)不存在";
    }
}

@RequestMapping("/save")
public String save(){
    UserService userService = new UserService();
    String res = userService.saveUser();
    return res;
}
@RequestMapping("/read")
public String read(){
    UserService userService = new UserService();
    String res = userService.getUser();
    return res;
}