Esempio n. 1
0
  private void HashOperate() {
    System.out.println("======================hash==========================");
    // 清空数据
    System.out.println(jedis.flushDB());

    System.out.println("=============增=============");
    System.out.println(
        "hashs中添加key001和value001键值对:" + shardedJedis.hset("hashs", "key001", "value001"));
    System.out.println(
        "hashs中添加key002和value002键值对:" + shardedJedis.hset("hashs", "key002", "value002"));
    System.out.println(
        "hashs中添加key003和value003键值对:" + shardedJedis.hset("hashs", "key003", "value003"));
    System.out.println("新增key004和4的整型键值对:" + shardedJedis.hincrBy("hashs", "key004", 4l));
    System.out.println("hashs中的所有值:" + shardedJedis.hvals("hashs"));
    System.out.println();

    System.out.println("=============删=============");
    System.out.println("hashs中删除key002键值对:" + shardedJedis.hdel("hashs", "key002"));
    System.out.println("hashs中的所有值:" + shardedJedis.hvals("hashs"));
    System.out.println();

    System.out.println("=============改=============");
    System.out.println("key004整型键值的值增加100:" + shardedJedis.hincrBy("hashs", "key004", 100l));
    System.out.println("hashs中的所有值:" + shardedJedis.hvals("hashs"));
    System.out.println();

    System.out.println("=============查=============");
    System.out.println("判断key003是否存在:" + shardedJedis.hexists("hashs", "key003"));
    System.out.println("获取key004对应的值:" + shardedJedis.hget("hashs", "key004"));
    System.out.println("批量获取key001和key003对应的值:" + shardedJedis.hmget("hashs", "key001", "key003"));
    System.out.println("获取hashs中所有的key:" + shardedJedis.hkeys("hashs"));
    System.out.println("获取hashs中所有的value:" + shardedJedis.hvals("hashs"));
    System.out.println();
  }
 @Override
 public List<String> hmget(String key, String... fields) {
   ShardedJedis jedis = shardedJedisPool.getResource();
   try {
     return jedis.hmget(key, fields);
   } catch (Exception e) {
     logger.error("Execute redis command failure", e);
   } finally {
     jedis.close();
   }
   return new ArrayList<String>(0);
 }
 /**
  * 通过key 和 fields 获取指定的value 如果没有对应的value则返回null
  *
  * @param key
  * @param fields 可以使 一个String 也可以是 String数组
  * @return
  */
 public List<String> hmget(String key, String... fields) {
   ShardedJedis jedis = null;
   List<String> res = null;
   try {
     jedis = pool.getResource();
     res = jedis.hmget(key, fields);
   } catch (Exception e) {
     pool.returnBrokenResource(jedis);
     e.printStackTrace();
   } finally {
     returnResource(pool, jedis);
   }
   return res;
 }