image-20220817214700975

What Redis data structures look like(opens new window)

STRING

二、数据类型 - 图2

  1. > set hello world
  2. OK
  3. > get hello
  4. "world"
  5. > del hello
  6. (integer) 1
  7. > get hello
  8. (nil)

LIST

二、数据类型 - 图3

  1. > rpush list-key item
  2. (integer) 1
  3. > rpush list-key item2
  4. (integer) 2
  5. > rpush list-key item
  6. (integer) 3
  8. > lrange list-key 0 -1
  9. 1) "item"
  10. 2) "item2"
  11. 3) "item"
  13. > lindex list-key 1
  14. "item2"
  16. > lpop list-key
  17. "item"
  19. > lrange list-key 0 -1
  20. 1) "item2"
  21. 2) "item"

SET

二、数据类型 - 图4

  1. > sadd set-key item
  2. (integer) 1
  3. > sadd set-key item2
  4. (integer) 1
  5. > sadd set-key item3
  6. (integer) 1
  7. > sadd set-key item
  8. (integer) 0
  10. > smembers set-key
  11. 1) "item"
  12. 2) "item2"
  13. 3) "item3"
  15. > sismember set-key item4
  16. (integer) 0
  17. > sismember set-key item
  18. (integer) 1
  20. > srem set-key item2
  21. (integer) 1
  22. > srem set-key item2
  23. (integer) 0
  25. > smembers set-key
  26. 1) "item"
  27. 2) "item3"

ZSET

二、数据类型 - 图5

  1. > zadd zset-key 728 member1
  2. (integer) 1
  3. > zadd zset-key 982 member0
  4. (integer) 1
  5. > zadd zset-key 982 member0
  6. (integer) 0
  8. > zrange zset-key 0 -1 withscores
  9. 1) "member1"
  10. 2) "728"
  11. 3) "member0"
  12. 4) "982"
  14. > zrangebyscore zset-key 0 800 withscores
  15. 1) "member1"
  16. 2) "728"
  18. > zrem zset-key member1
  19. (integer) 1
  20. > zrem zset-key member1
  21. (integer) 0
  23. > zrange zset-key 0 -1 withscores
  24. 1) "member0"
  25. 2) "982"