【redis缓存spring-data的使用 _redis 】

redis缓存spring-data的使用

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redis

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源码

@Autowired
	RedisTemplate redisTemplate;
	@Override
	public Integer queryWork(Integer isWork) throws Exception {
		//redis jar包自动装载方式
		ValueOperations<String, String> stringOperations = redisTemplate.opsForValue();
		String isWorks = stringOperations.get(String.valueOf(isWork));
		if (isWorks!=null){
			return Integer.parseInt(isWorks);
		}
		Integer isWork1 = dao.queryWork(isWork);
		stringOperations.setIfAbsent(String.valueOf(isWork), String.valueOf(isWork1));
		return isWork1;
	}
	@Override
	public List<Student> queryGood(Integer isGood) throws Exception {
		ListOperations<String, Object> listOperations = redisTemplate.opsForList();
		List<Student> student1 = (List<Student>) listOperations.leftPop(String.valueOf(isGood));
		logger.info("Redis中取到的结果为："+student1.toString());
		if (student1!=null){
			return student1;
		}
		List<Student> student = dao.queryGood(isGood);
		listOperations.leftPush(String.valueOf(isGood), student);
		return student;
		/*return dao.queryGood(isGood);*/
	}
	@Override
	public Student findStudentId(Integer ID)throws Exception{
		ValueOperations<String, Object> valueOperations = redisTemplate.opsForValue();
		Student student1 = (Student) valueOperations.get(String.valueOf(ID));
		logger.info("Redis中取到的结果为："+student1.toString());
		if (student1.getID()!=null){
			logger.info("Redis中取出并返回页面的结果为："+student1.toString());
			return student1;
		}
		Student student = dao.findStudentId(ID);
		/*List<Student> students = new ArrayList<student>();*/
		valueOperations.set(String.valueOf(ID),student);
		Student student1s = (Student) valueOperations.get(String.valueOf(ID));
		logger.info("存入缓存的值为："+ student1s.toString());
		return student;
	}

编辑于2024-11-27

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[武汉|荣耀师兄]JAVA-刘欢
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我记得 Redis 本身是没有提供存储对象的接口的, 存储对象时是需要自己实现序列化接口的. 如何实现可以搜索看一下.
http://codingo.xyz/index.php/2016/08/04/redis_obj/

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编辑于2018-06-29

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