Redis基本命令总结(三)

Redis基本命令总结(三)

本文主要包括如下几个部分:
* PING命令
* INFO命令
* CONFIG命令
* 5种基本操作类型操作
* 发布&订阅
* 事务

与本文相关的代码与配置文件都已经上传至github上:
地址: https://github.com/SeanYanxml/bigdata

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发布&订阅

# 订阅
redis 127.0.0.1:6379> SUBSCRIBE redisChat

Reading messages... (press Ctrl-C to quit)
1) "subscribe"
2) "redisChat"
3) (integer) 1

# 发布
redis 127.0.0.1:6379> PUBLISH redisChat "Redis is a great caching technique"

(integer) 1

redis 127.0.0.1:6379> PUBLISH redisChat "Learn redis by runoob.com"

(integer) 1

# 订阅者的客户端会显示如下消息
1) "message"
2) "redisChat"
3) "Redis is a great caching technique"
1) "message"
2) "redisChat"
3) "Learn redis by yanxml.com"

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事务

redis 127.0.0.1:6379> MULTI
OK

redis 127.0.0.1:6379> SET book-name "Mastering C++ in 21 days"
QUEUED

redis 127.0.0.1:6379> GET book-name
QUEUED

redis 127.0.0.1:6379> SADD tag "C++" "Programming" "Mastering Series"
QUEUED

redis 127.0.0.1:6379> SMEMBERS tag
QUEUED

redis 127.0.0.1:6379> EXEC
1) OK
2) "Mastering C++ in 21 days"
3) (integer) 3
4) 1) "Mastering Series"
   2) "C++"
   3) "Programming"

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脚本

Redis 脚本使用 Lua 解释器来执行脚本。

# redis 127.0.0.1:6379> EVAL script numkeys key [key ...] arg [arg ...]
# redis 127.0.0.1:6379> EVAL "return {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}" 2 key1 key2 first second

1) "key1"
2) "key2"
3) "first"
4) "second"

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Reference

[1]. https://redis.io/commands
[2]. (Runoob)Redis教程