redisTemplate.opsForValue()【redis普通缓存类型使用配置】

1. set(String key, Object value)

	
    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

2. set(String key, Object value, long time)

	
    public boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

3. setIfAbsent(String key, Object value)

	
    public boolean setIfAbsent(String key, Object value) {
        return redisTemplate.opsForValue().setIfAbsent(key, value);
    }

4. setIfAbsentExpire(String key, Object value, long expire)

	
    public boolean setIfAbsentExpire(String key, Object value, long expire) {
        return redisTemplate.opsForValue().setIfAbsent(key, value, expire, TimeUnit.SECONDS);
    }

5. get(String key)

	
    public Object get(String key) {
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

6. hasKey(String key)

 	
    public boolean hasKey(String key) {
        try {
            return redisTemplate.hasKey(key);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

7. expire(String key, long time)

	
    public boolean expire(String key, long time) {
        try {
            if (time > 0) {
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

8. getExpire(String key)

 	
    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

9. delete(String… key)

	
    public Long delete(String... key) {
        if (key == null || key.length < 1) {
            return 0L;
        }
        return redisTemplate.delete(Arrays.asList(key));
    }

10. incr(String key, long delta)

	 
    public long incr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递增因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, delta);
    }

11. decr(String key, long delta)

	
    public long decr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递减因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, -delta);
    }

12. Set keys

	
    public Set keys() {
        return redisTemplate.keys("*");
    }

13. type(String key)

 	
    public String type(String key) {
        DataType dataType = redisTemplate.type(key);
        assert dataType != null;
        return dataType.code();
    }