Redis（五）有序集合类型（zset）的使用

Redis 评论

Redis有序集合类型（zset）的使用

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// 添加进有序集合
127.0.0.1:6379> zadd develop:language 100 "Go" 88 "PHP" 80 "Python" 60 "Java" 55 "C++"
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// 获取排名，从大到小，zrevrange
127.0.0.1:6379> zrevrange develop:language 0 -1 withscores
1) "Go"
2) "100"
3) "PHP"
4) "88"
5) "Python"
6) "80"
7) "Java"
8) "60"
9) "C++"
10) "55"
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// 集合的元素scores操作加1
127.0.0.1:6379> zincrby develop:language 1 "Go"
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// 只查看某个有序集合的元素排名，zrevrange
127.0.0.1:6379> zrevrange develop:language "Go"
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// 只查看某个有序集合的数值, zscore
127.0.0.1:6379> zscore develop:language "Go"
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// 添加新的有序集合成员
127.0.0.1:6379> zadd develop:language nx 50 "Rust"

// 有序集合，递减排列，从大到小
127.0.0.1:6379> zrevrange develop:language 0 -1 withscores
1) "Go"
2) "101"
3) "PHP"
4) "88"
5) "Python"
6) "80"
7) "Java"
8) "60"
9) "C++"
10) "55"
11) "Rust"
12) "50"

// 有序集合，递增排列，从小到大
127.0.0.1:6379> zrange develop:language 0 -1 WITHSCORES
 1) "Rust"
 2) "50"
 3) "C++"
 4) "55"
 5) "Java"
 6) "60"
 7) "Python"
 8) "80"
 9) "PHP"
10) "88"
11) "Go"
12) "101"

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