redis常用场合及命令

保存网页点击数据

test:1>set visits:web1:total 345345
OK

test:1>set visits:web2:total 656325
OK

test:1>incr visits:web1:total
345346

test:1>incr visits:web1:total
345347

利用hash表保存用户数据

test:1>hset users:kate name "kate hellen"
1

test:1>hset users:kate email "kate@163.com"
1

test:1>hset users:kate phone "123456"
1

test:1>hincrby user:kate visits 1
1

test:1>hincrby user:kate visits 1
2

test:1>hget users:test:1>kate email
kate@163.com

test:1>hgetall users:kate
1) name
2) kate hellen
3) email
4) kate@163.com
5) phone
6) 123456
test:1>hkeys users:kate
1) name
2) email
3) phone
test:1>hvaltest:1>s users:kate
1) kate hellen
2) kate@163.com
3) 123456

用集合保存社交网站圈子数据
sadd

smembers

test:1>sadd myset 'hello'
1
test:1>sadd myset 'world'
1
test:1>sadd myset 'world'
0
test:1>smembers myset
1) world
2) hello

求交
sinter