redis.zip案例

@Override public String findAllJson() { //1.先从redis中查询数据 //1.1获取redis客户端连接 Jedis jedis = JedisPoolUtils.getJedis(); String province_json = jedis.get("province"); //2判断 province_json 数据是否为null if(province_json == null || province_json.length() == 0