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();
}
/**
* 通过key给指定的field的value加上给定的值
*
* @param key
* @param field
* @param value
* @return
*/
public Long hincrby(String key, String field, Long value) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.hincrBy(key, field, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
public void changeBooklikes(BookLikes bookLikes) {
if (bookLikes == null) {
return;
}
if (bookLikes.getLike_time() == null) {
bookLikes.setLike_time(new Date());
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss");
String time = sdf.format(bookLikes.getLike_time());
String hashcode = encodeUtil.encode(bookLikes.getBid(), bookLikes.getUid());
shardedJedis.hdel(hashcode, "bid", "uid", "like_time", "isLiked");
shardedJedis.hincrBy(hashcode, "bid", bookLikes.getBid());
shardedJedis.hincrBy(hashcode, "uid", bookLikes.getUid());
shardedJedis.hset(hashcode, "like_time", time);
if (bookLikes.getIsLiked() == BookLikes.LIKED) {
shardedJedis.hincrBy(hashcode, "isLiked", BookLikes.UNLIKED);
} else {
shardedJedis.hincrBy(hashcode, "isLiked", BookLikes.LIKED);
}
}