{"id":201588,"date":"2025-05-10T10:06:09","date_gmt":"2025-05-10T02:06:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201588\/"},"modified":"2025-05-10T10:06:09","modified_gmt":"2025-05-10T02:06:09","slug":"redis%e6%8e%92%e5%ba%8f%e5%91%bd%e4%bb%a4sort%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201588\/","title":{"rendered":"Redis\u6392\u5e8f\u547d\u4ee4Sort\u6df1\u5165\u89e3\u6790"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u6392\u5e8f\u547d\u4ee4Sort\u6df1\u5165\u89e3\u6790<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230golang\u5b66\u4e60\u7f51\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aRedis\u6392\u5e8f\u547d\u4ee4Sort\u6df1\u5165\u89e3\u6790\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230RedisSort\u3001\u6392\u5e8f\u547d\u4ee4<\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u5f15\u8a00<\/h2>\n

Redis\u662f\u4e00\u6b3e\u5feb\u901f\u3001\u4f18\u79c0\u7684\u952e\u503c\u5bf9\u6570\u636e\u5e93\uff0c\u63d0\u4f9b\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u80fd\u5728\u5404\u79cd\u573a\u666f\u4e0b\u5b9e\u73b0\u529f\u80fd\uff0c\u540c\u65f6\u4e5f\u63d0\u4f9b\u4e30\u5bcc\u7684\u547d\u4ee4\u6765\u5b8c\u6210\u5404\u79cd\u5404\u6837\u7684\u529f\u80fd\uff0c\u672c\u7bc7\u6587\u7ae0\u5c06\u6df1\u5165\u6d45\u51fa\u7684\u89e3\u6790Sort\u547d\u4ee4\u7684\u539f\u7406\u4ee5\u53ca\u4f7f\u7528<\/p>\n

\u539f\u7406<\/h2>\n

Sort \u547d\u4ee4\u7528\u6765\u5bf9list\u3001set\u3001zset\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff0c\u8fd4\u56de\u6392\u5e8f\u540e\u7684\u7ed3\u679c<\/p>\n

Sort\u547d\u4ee4\u4f1a\u4f7f\u7528\u4e00\u4e2a\u4e0e\u539f\u6765\u5bf9\u8c61\u7b49\u957f\u7684\u6570\u7ec4\uff0c\u6570\u7ec4\u4e2d\u7684\u8282\u70b9RedisSortObject\u5b58\u50a8\u4e86\u5143\u7d20\uff08\u6307\u5411\u5bf9\u5e94\u5143\u7d20\uff09\u4ee5\u53ca\u6743\u503c\uff0c\u6392\u5e8f\u5c31\u662f\u6839\u636e\u6743\u503c\u6765\u6392\u5e8f\uff0c\u6743\u503c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6d6e\u70b9\u578b\uff0c\u5982\u679c\u8981\u6392\u5e8f\u7684\u662f\u5b57\u7b26\u4e32\u5219\u6743\u503c\u4e3a\u5b57\u7b26\u4e32\u5bf9\u8c61<\/p>\n

\u7b49\u957f\u6570\u7ec4\u4e2d\u7684RedisSortObject\u8282\u70b9\u4f1a\u4e0e\u6392\u5e8f\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u4e00\u4e00\u5bf9\u5e94\u8bb0\u5f55\u5143\u7d20\u5bf9\u8c61\u7684\u5730\u5740\u548c\u6743\u503c<\/p>\n

<\/p>\n

\u518d\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u6839\u636e\u7b49\u957f\u6570\u7ec4\u4e2dRedisSortObject\u5bf9\u8c61\u4e2d\u7684\u6743\u503c\u8fdb\u884c\u6392\u5e8f\uff08\u9ed8\u8ba4\u5347\u5e8f\uff09<\/p>\n

<\/p>\n

\u6ce8\u610f\uff1a\u6392\u5e8f\u53ea\u5728\u65b0\u6570\u7ec4\u4e2d\u64cd\u4f5c\uff0c\u5e76\u6ca1\u6709\u6539\u53d8\u539f\u6765\u7684\u5bf9\u8c61<\/p>\n

\u56fe\u4e2d\u6392\u5e8f\u6d41\u7a0b\u5bf9\u5e94\u4ee5\u4e0b\u547d\u4ee4\u64cd\u4f5c<\/p>\n

 127.0.0.1:6379> lpush number 1 3 5\n (integer) 3\n 127.0.0.1:6379> lrange number 0 -1\n 1) \"5\"\n 2) \"3\"\n 3) \"1\"\n 127.0.0.1:6379> sort number\n 1) \"1\"\n 2) \"3\"\n 3) \"5\"\n<\/pre>\n
alpha \u9009\u9879<\/h2>\n
alpha\u9009\u9879\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f\uff0c\u5982\u679c\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f\u4e0d\u4f7f\u7528alpha\u4f1a\u62a5\u51fa\u5b57\u7b26\u4e32\u65e0\u6cd5\u8f6c\u6362\u4e3a\u6d6e\u70b9\u578b\uff08\u9ed8\u8ba4\u6d6e\u70b9\u578b\uff09\u7684\u5f02\u5e38<\/p>\n
\u4f7f\u7528alpha\u9009\u9879\u5219\u662f\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6392\u5e8f<\/p>\n
 127.0.0.1:6379> sadd set z x c n r a\n (integer) 6\n 127.0.0.1:6379> smembers set\n 1) \"x\"\n 2) \"n\"\n 3) \"a\"\n 4) \"r\"\n 5) \"z\"\n 6) \"c\"\n 127.0.0.1:6379> sort set alpha\n 1) \"a\"\n 2) \"c\"\n 3) \"n\"\n 4) \"r\"\n 5) \"x\"\n 6) \"z\"\n<\/pre>\n
by \u9009\u9879<\/h2>\n
\u5982\u679c\u5e0c\u671b\u4e0d\u662f\u6839\u636e\u5f53\u524d\u96c6\u5408\u7684\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\uff0c\u800c\u662f\u6839\u636e\u5176\u4ed6Key\u6765\u6392\u5e8f\u5219\u4f7f\u7528 by \u9009\u9879<\/p>\n
by *-value<\/code>\u8868\u793a\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684key\u4ee3\u66ff*<\/code>\u4e0e-value<\/code>\u62fc\u63a5\u5f97\u5230\u65b0\u7684Key\uff0c\u67e5\u8be2\u65b0Key\u5f97\u5230\u7684\u503c\u62ff\u6765\u6392\u5e8f<\/p>\n
\u8fd9\u79cd\u60c5\u51b5\u4e0bRedisSortObject\u4e2d\u8bb0\u5f55\u7684\u6743\u503c\u4e3a\u65b0Key\u7684\u503c<\/p>\n
\u6bd4\u5982\u5f53\u524d\u5143\u7d20\u662fcc \u5219\u65b0key\u4e3a cc-value \uff0c\u67e5\u8be2\u5230\u65b0key\u503c\u4e3a88 \u56e0\u6b64\u6392\u4e2d\u95f4<\/p>\n
\u5982\u679c\u65b0key\u7ed3\u679c\u4e3a\u5b57\u7b26\u4e32 \u5219\u8981\u4f7f\u7528alpha \u9009\u9879<\/p>\n
 127.0.0.1:6379> sadd set tom cc jack\n (integer) 3\n 127.0.0.1:6379> mset tom-value 99 cc-value 88 jack-value 77\n OK\n 127.0.0.1:6379> smembers set\n 1) \"cc\"\n 2) \"jack\"\n 3) \"tom\"\n 127.0.0.1:6379> sort set by *-value\n 1) \"jack\"\n 2) \"cc\"\n 3) \"tom\"\n #\u4f7f\u7528\u65b0key\u7684\u503c\u4e3a\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528alpha\n 127.0.0.1:6379> mset tom-str a cc-str b jack-str c\n OK\n 127.0.0.1:6379> sort set alpha by *-str\n 1) \"tom\"\n 2) \"cc\"\n 3) \"jack\"\n<\/pre>\n
limit \u9009\u9879<\/h2>\n
limit\u7528\u6765\u9650\u5236\u8fd4\u56de\u7684\u6570\u91cf\uff0c\u4f7f\u7528\u65b9\u5f0f\u7c7b\u6bd4MySQL\u7684limit<\/p>\n
 127.0.0.1:6379> sort set alpha by *-str\n 1) \"tom\"\n 2) \"cc\"\n 3) \"jack\"\n 127.0.0.1:6379> sort set alpha by *-str limit 0 2\n 1) \"tom\"\n 2) \"cc\"\n 127.0.0.1:6379> sort set alpha by *-str limit 1 2\n 1) \"cc\"\n 2) \"jack\"\n<\/pre>\n
get \u9009\u9879<\/h2>\n
\u4e0eby\u7c7b\u4f3c\uff0c\u4f46\u662fby\u4f5c\u7528\u7684\u662f\u6392\u5e8f\u503c\uff0c\u800cget\u4f5c\u7528\u7684\u662f\u8fd4\u56de\u503c<\/p>\n
\u5982\u679c\u5e0c\u671b\u8fd4\u56de\u503c\u4e0d\u662f\u5f53\u524d\u5143\u7d20\u7684\u503c\uff0c\u800c\u662f\u5176\u4ed6key\u7684\u8fd4\u56de\u503c\uff0c\u5219\u4f7f\u7528get<\/p>\n
get *-res<\/code>\u8868\u793a\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684key\u4ee3\u66ff*<\/code>\u4e0e-res<\/code>\u62fc\u63a5\u5f97\u5230\u65b0\u7684Key\uff0c\u67e5\u8be2\u65b0Key\u5f97\u5230\u7684\u503c\u7528\u4e8e\u8fd4\u56de\u7ed3\u679c<\/p>\n
\u6bd4\u5982\u5f53\u524d\u5143\u7d20\u662fcc \u5219\u65b0key\u4e3a cc-res \uff0c\u67e5\u8be2\u5230\u65b0key\u503c\u4e3acc-result \u56e0\u6b64\u54cd\u5e94\u65f6\u8fd4\u56decc-result<\/p>\n
 127.0.0.1:6379> sort set alpha by *-str limit 0 3\n 1) \"tom\"\n 2) \"cc\"\n 3) \"jack\"\n 127.0.0.1:6379> mset tom-res tom-result cc-res cc-result jack-res jack-result\n OK\n 127.0.0.1:6379> sort set alpha by *-str limit 0 3 get *-res\n 1) \"tom-result\"\n 2) \"cc-result\"\n 3) \"jack-result\"\n<\/pre>\n
store \u9009\u9879<\/h2>\n
sort\u4e0d\u662f\u5bf9\u539f\u672c\u7684\u5bf9\u8c61\u5728\u539f\u5730\u8fdb\u884c\u6392\u5e8f\uff0c\u800c\u662f\u4f7f\u7528\u65b0\u6570\u7ec4\u6765\u4fdd\u5b58\u6392\u5e8f\u7ed3\u679c<\/p>\n
\u4f7f\u7528store\u9009\u9879\u80fd\u5c06\u6392\u5e8f\u7ed3\u679c\uff0c\u4f7f\u7528list\u547d\u4ee4\u6765\u751f\u6210Key\uff0ckey\u4e3alist\u7c7b\u578b<\/p>\n
 127.0.0.1:6379> sort set alpha by *-str limit 0 3 get *-res\n 1) \"tom-result\"\n 2) \"cc-result\"\n 3) \"jack-result\"\n 127.0.0.1:6379> sort set alpha by *-str limit 0 3 get *-res store setresult\n (integer) 3\n 127.0.0.1:6379> type setresult\n list\n 127.0.0.1:6379> lrange setresult 0 -1\n 1) \"tom-result\"\n 2) \"cc-result\"\n 3) \"jack-result\"\n<\/pre>\n
\u603b\u7ed3<\/h2>\n
\u672c\u7bc7\u6587\u7ae0\u56f4\u7ed5Sort\u547d\u4ee4\uff0c\u6df1\u5165\u6d45\u51fa\u7684\u89e3\u6790Sort\u547d\u4ee4\u539f\u7406\u4ee5\u53ca\u4f7f\u7528<\/p>\n
Sort\u547d\u4ee4\u4f7f\u7528\u65b0\u7684\u7b49\u957f\u6570\u7ec4\u6765\u5bf9list\u3001set\u3001zset\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u4e2d\u6570\u7ec4\u4e2d\u7684\u8282\u70b9RedisSortObject\u5b58\u50a8\u5143\u7d20\u5730\u5740\u548c\u6743\u503c\uff0c\u5148\u4f7f\u7528\u8282\u70b9\u8bb0\u5f55\u8981\u6392\u5e8f\u5bf9\u8c61\u4e2d\u5143\u7d20\u7684\u5730\u5740\u548c\u6743\u503c\uff0c\u518d\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u6839\u636e\u6743\u503c\u8fdb\u884c\u6392\u5e8f\u7136\u540e\u8fd4\u56de<\/p>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6743\u503c\u4e3a\u6d6e\u70b9\u578b\uff0c\u5982\u679c\u662f\u5bf9\u5b57\u7b26\u4e32\u7c7b\u578b\u6392\u5e8f\uff0c\u9700\u8981\u4f7f\u7528alpha\u9009\u9879\uff1b<\/p>\n
\u60f3\u8981\u4f7f\u7528\u5176\u4ed6key\u4f5c\u4e3a\u6743\u503c\u6392\u5e8f\u65f6\u4f7f\u7528by\u9009\u9879\uff1b<\/p>\n
\u9650\u5236\u7ed3\u679c\u96c6\u8fd4\u56de\u4f7f\u7528limit\uff1b<\/p>\n
\u60f3\u8981\u8fd4\u56de\u5176\u4ed6key\u7684\u503c\u65f6\u4f7f\u7528get\u9009\u9879\uff1b<\/p>\n
\u60f3\u5b58\u50a8\u7ed3\u679c\u5e76\u751f\u6210\u5217\u8868\u5bf9\u8c61\u65f6\u4f7f\u7528store<\/p>\n
\u53c2\u8003\u8d44\u6599<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis\u6392\u5e8f\u547d\u4ee4Sort\u6df1\u5165\u89e3...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201588","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201588"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201588\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}