redis小结

字符串操作:

set key value

set course_name “scrapy”

get key

get course_nam  

getrange key start end

getrange course_name 2 5

strlen key

strlen course_name

incr key

incr course_name(这里value必须可以转为int)

decr key

decr course_name(这里value必须可以转为int)

hash操作:

hset hname key value

hset course_dict name “python”

hget hname key

hget course_dict name

hgetall hname

hgetall course_dict

hexists hname key

hexists course_dict name

hdel hname

hdel course_dict

hkeys hname

hkeys course_dict

hvalues hname

hvalues course_dict

列表操作:

lpush key value

lpush imooc_courses “scrapy” 

lrange key start end

lrange imooc_courses 

blpop key timeout

blpop imooc_courses 3  (b 为 block 阻塞的意思,timeout为延时3秒)

brloop key timeout

brpop imooc_courses 3 

lpop key

lpop imooc_courses

rpop key

rpop imooc_courses

llen key

llen imooc_courses

lindex key index

lindex imooc_courses 2

集合操作:

sadd key value

sadd imooc_set “django”

scard key

scard imooc_set  (get 长度)

sdiff key key2

sdiff imooc_set  imooc_set1 (获取交集)

sinter key key2

sinter imooc_set imooc_set1 (获取并集）

spop key

spop imooc_set

srandmember key member

srandmember imooc_set 1

smembers key

smembers imooc_set

可排序集合操作:

zadd key index value

zadd courses 1 "python"

zrangebyscore key start end

zrangebyscore courses 0 100

zrange key start end

zrange courses 0 100

zcount key min max

zcount courses 0 10