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Clustercluster addslots(集群 槽位)cluster count failure reports(集群计数失败报告)cluster countkeysinslotcluster delslotscluster failovercluster forgetcluster getkeysinslotcluster infocluster keyslot(集群键槽)cluster meetcluster nodes(集群节点)cluster replicate(集群复制)cluster reset(集群重置)cluster saveconfigcluster set config epochcluster setslotcluster slavescluster slotsreadonlyreadwriteConnectionauthechopingquitselectswapdbGeogeoaddgeodistgeohashgeoposgeoradiusgeoradiusbymemberHasheshdelhexistshgethgetallhincrbyhincrbyfloathkeyshlenhmgethmsethscanhsethsetnxhstrlenhvalsHyperLogLogpfaddpfcountpfmergeKeysdeldumpexistsexpireexpireatkeysmigratemoveobjectpersistpexpirepexpireatpttlrandomkeyrenamerenamenxrestorescansorttouchttltypeunlinkwaitListsblpopbrpopbrpoplpushlindexlinsertllenlpoplpushlpushxlrangelremlsetltrimrpoprpoplpushrpushrpushxPub/SubpsubscribepublishpubsubpunsubscribesubscribeunsubscribeScriptingevalevalshascript debugscript existsscript flushscript killscript loadServerbgrewriteaofbgsaveclient getnameclient killclient listclient pauseclient replyclient setnamecommandcommand countcommand getkeyscommand infoconfig getconfig resetstatconfig rewriteconfig setdbsizedebug objectdebug segfaultflushallflushdbinfolastsavemonitorrolesaveshutdownslaveofslowlogtimeSetssaddscardsdiffsdiffstoresintersinterstoresismembersmemberssmovespopsrandmembersremsscansunionsunionstoreSorted SetszaddzcardzcountzincrbyzinterstorezlexcountzrangezrangebylexzrangebyscorezrankzremzremrangebylexzremrangebyrankzremrangebyscorezrevrangezrevrangebylexzrevrangebyscorezrevrankzscanzscorezunionstoreStringsappendbitcountbitfieldbitopbitposdecrdecrbygetgetbitgetrangegetsetincrincrbyincrbyfloatmgetmsetmsetnxpsetexsetsetbitsetexsetnxsetrangestrlenTransactionsdiscardexecmultiunwatchwatch
文字

PEXPIRE key milliseconds

自2.6.0起可用。

时间复杂度: O(1)

此命令与 EXPIRE 完全相同,但密钥的生存时间以毫秒而不是秒为单位指定。

返回值

整数回复,具体为:

  • 1 如果超时被设置。

  • 0如果key不存在。

例子

redis>  SET mykey "Hello" "OK" 

redis>  PEXPIRE mykey 1500 (integer) 1 

redis>  TTL mykey (integer) 1 

redis>  PTTL mykey (integer) 1495

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