定义
GET获取key的值。当key不存在时，返回nil。当key的值类型不为字符串时，返回错误。
语法
GET key示例
redis> SET mykey "Hello"
"OK"
redis> GET mykey
"Hello"
redis> GET nonexisting
(nil)
redis> GET notastring
(error) WRONGTYPE Operation against a key holding the wrong kind of value
GET获取key的值。当key不存在时，返回nil。当key的值类型不为字符串时，返回错误。
GET keyredis> SET mykey "Hello"
"OK"
redis> GET mykey
"Hello"
redis> GET nonexisting
(nil)
redis> GET notastring
(error) WRONGTYPE Operation against a key holding the wrong kind of value