摘要： 键值操作get keyset key valueincr keydecr keydel key [key ...]rename key newkeyrenamenx key newkeykeys patternincrby key incrementincrbyfloat key incrementappend key valuedecrby key decrementdump keyrestore key ttl serialized-valueexists keygetbit key offsetgetset key valuesetnx key valuemget key [key .. 阅读全文