Redis系列学习文章分享---第八篇（Redis快速入门之达人探店--发布探店笔记 + 查看探店笔记 + 点赞功能 + 点赞排行榜）

Jedis jedis = new Jedis("localhost", 6379);

// 发布探店笔记
String userId = "user123";
String noteId = "note456";
String noteContent = "今天去了一家很不错的咖啡馆，推荐大家去尝试！";
jedis.hset("user:" + userId, "note:" + noteId, noteContent);

Jedis jedis = new Jedis("localhost", 6379);

// 查看探店笔记
String userId = "user789";
Map<String, String> userNotes = jedis.hgetAll("user:" + userId);
System.out.println("User " + userId + " notes:");
for (Map.Entry<String, String> entry : userNotes.entrySet()) {
    System.out.println(entry.getKey() + ": " + entry.getValue());
}

Jedis jedis = new Jedis("localhost", 6379);

// 点赞探店笔记
String noteId = "note456";
jedis.incr("note:" + noteId + ":likes");

Jedis jedis = new Jedis("localhost", 6379);

// 获取点赞排行榜
Set<Tuple> likesRanking = jedis.zrevrangeWithScores("notes:likes", 0, 10);
System.out.println("Likes Ranking:");
int rank = 1;
for (Tuple tuple : likesRanking) {
    String noteId = tuple.getElement();
    double likes = tuple.getScore();
    System.out.println(rank + ". Note ID: " + noteId + ", Likes: " + (int)likes);
    rank++;
}