{"id":128271,"date":"2024-10-26T12:55:24","date_gmt":"2024-10-26T04:55:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128271\/"},"modified":"2024-10-26T12:55:25","modified_gmt":"2024-10-26T04:55:25","slug":"redis-%e5%af%a6%e7%8f%be%e6%9f%a5%e8%a9%a2%e5%88%97%e9%9a%8a%e9%95%b7%e5%ba%a6%e7%9a%84%e6%96%b9%e6%b3%95%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128271\/","title":{"rendered":"Redis \u5be6\u73fe\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u65b9\u6cd5\u7814\u7a76"},"content":{"rendered":"

Redis \u5be6\u73fe\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u65b9\u6cd5\u7814\u7a76<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u67e5\u8a62\u548c\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n

\u5217\u968a\u7684\u6982\u5ff5<\/h2>\n

\u5728 Redis \u4e2d\uff0c\u5217\u8868\uff08List\uff09\u662f\u4e00\u7a2e\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u5141\u8a31\u91cd\u8907\u7684\u5143\u7d20\u3002\u5217\u8868\u7684\u64cd\u4f5c\u975e\u5e38\u9748\u6d3b\uff0c\u53ef\u4ee5\u5728\u5217\u8868\u7684\u5169\u7aef\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5217\u8868\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u73fe\u968a\u5217\u7684\u529f\u80fd\u3002<\/p>\n

\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u65b9\u6cd5<\/h2>\n

\u8981\u67e5\u8a62 Redis \u4e2d\u5217\u8868\u7684\u9577\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528 LLEN<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u5217\u8868\u7684\u5143\u7d20\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 LLEN<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n

LLEN key<\/code><\/pre>\n
\u5176\u4e2d\uff0ckey<\/code> \u662f\u4f60\u8981\u67e5\u8a62\u7684\u5217\u8868\u7684\u9375\u540d\u3002\u7576\u4f60\u57f7\u884c\u9019\u500b\u547d\u4ee4\u6642\uff0cRedis \u6703\u8fd4\u56de\u8a72\u5217\u8868\u7684\u9577\u5ea6\u3002<\/p>\n
\u793a\u4f8b<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba myQueue<\/code> \u7684\u5217\u8868\uff0c\u4e26\u4e14\u6211\u5011\u5df2\u7d93\u5411\u5176\u4e2d\u6dfb\u52a0\u4e86\u4e00\u4e9b\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u67e5\u8a62\u8a72\u5217\u8868\u9577\u5ea6\u7684\u793a\u4f8b\uff1a<\/p>\n
LPUSH myQueue \"item1\"\nLPUSH myQueue \"item2\"\nLPUSH myQueue \"item3\"\nLLEN myQueue<\/code><\/pre>\n
\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0cRedis \u5c07\u8fd4\u56de 3<\/code>\uff0c\u56e0\u70ba\u5217\u8868\u4e2d\u6709\u4e09\u500b\u5143\u7d20\u3002<\/p>\n
\u4f7f\u7528\u5834\u666f<\/h2>\n
\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u529f\u80fd\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u6d88\u606f\u968a\u5217\u7cfb\u7d71\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u77e5\u9053\u7576\u524d\u5f85\u8655\u7406\u7684\u6d88\u606f\u6578\u91cf\uff0c\u4ee5\u4fbf\u9032\u884c\u8ca0\u8f09\u5747\u8861\u6216\u8cc7\u6e90\u5206\u914d\u3002\u6b64\u5916\uff0c\u9019\u4e5f\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u76e3\u63a7\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u74f6\u9838\u3002<\/p>\n
\u6027\u80fd\u8003\u91cf<\/h2>\n
Redis \u7684 LLEN<\/code> \u547d\u4ee4\u662f O(1) \u7684\u64cd\u4f5c\uff0c\u9019\u610f\u5473\u8457\u7121\u8ad6\u5217\u8868\u7684\u5927\u5c0f\u5982\u4f55\uff0c\u67e5\u8a62\u9577\u5ea6\u7684\u6642\u9593\u90fd\u662f\u56fa\u5b9a\u7684\u3002\u56e0\u6b64\uff0c\u4f7f\u7528 Redis \u67e5\u8a62\u5217\u968a\u9577\u5ea6\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9078\u64c7\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u983b\u7e41\u67e5\u8a62\u7684\u5834\u666f\u4e2d\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728 Redis \u4e2d\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u662f\u4e00\u500b\u7c21\u55ae\u800c\u9ad8\u6548\u7684\u64cd\u4f5c\uff0c\u901a\u904e\u4f7f\u7528 LLEN<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u5217\u8868\u7684\u5143\u7d20\u6578\u91cf\u3002\u9019\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u5834\u666f\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u76e3\u63a7\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 \u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7814\u7a76Redis\u4e2d\u67e5\u8a62\u5217\u968a\u9577\u5ea6\u7684\u65b9\u6cd5\uff0c\u63a2\u8a0e\u9ad8\u6548\u80fd\u6578\u64da\u8655\u7406\u8207\u512a\u5316\u6280\u8853\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-128271","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128271","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=128271"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128271\/revisions"}],"predecessor-version":[{"id":128272,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128271\/revisions\/128272"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}