Redis之Jedis中zset类型使用方式

public static void zaddAndzrange(Jedis jedis){
    jedis.flushAll();

    jedis.zadd("key", 100, "curry");

    Map<String, Double> map = new HashMap<>();
    map.put("lebron", 95.0);
    map.put("durant", 97.0);
    jedis.zadd("key", map);

    List<String> members = jedis.zrange("key", 0, -1);
    System.out.println(members);

    List<Tuple> result = jedis.zrangeWithScores("key", 0, -1);
    System.out.println(result);

    double score = result.get(0).getScore();
    System.out.println(score);
}

[lebron, durant, curry]
[[lebron,95.0], [durant,97.0], [curry,100.0]]
95.0

public static void zcard(Jedis jedis){
    jedis.flushAll();

    jedis.zadd("key", 100, "curry");

    Map<String, Double> map = new HashMap<>();
    map.put("lebron", 95.0);
    map.put("durant", 97.0);
    jedis.zadd("key", map);

    long size = jedis.zcard("key");
    System.out.println(size);
}

3

public static void zrem(Jedis jedis){
    jedis.flushAll();

    jedis.zadd("key", 100, "curry");

    Map<String, Double> map = new HashMap<>();
    map.put("lebron", 95.0);
    map.put("durant", 97.0);
    jedis.zadd("key", map);

    long n = jedis.zrem("key", "lebron", "durant");
    System.out.println(n);

    System.out.println(jedis.zrange("key", 0, -1));
}

2
[curry]

public static void zscore(Jedis jedis){
    jedis.flushAll();
    jedis.zadd("key", 100, "curry");
    Double score = jedis.zscore("key", "curry");
    System.out.println(score);
    System.out.println(jedis.zscore("key", "zhangsan"));
}

100.0
null

public static void zrank(Jedis jedis){
    jedis.flushAll();

    jedis.zadd("key", 100, "curry");

    Map<String, Double> map = new HashMap<>();
    map.put("lebron", 95.0);
    map.put("durant", 97.0);
    jedis.zadd("key", map);
    Long rank = jedis.zrank("key", "durant");
    System.out.println(rank);
}

1