{"id":118100,"date":"2024-10-24T21:33:53","date_gmt":"2024-10-24T13:33:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/118100\/"},"modified":"2024-10-24T21:33:54","modified_gmt":"2024-10-24T13:33:54","slug":"redis-%e5%bf%ab%e5%8f%96%e6%98%af%e5%90%a6%e5%8f%af%e4%bb%a5%e9%80%b2%e8%a1%8c%e5%88%86%e7%b5%84%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/118100\/","title":{"rendered":"Redis \u5feb\u53d6\u662f\u5426\u53ef\u4ee5\u9032\u884c\u5206\u7d44\u64cd\u4f5c"},"content":{"rendered":"

Redis \u5feb\u53d6\u662f\u5426\u53ef\u4ee5\u9032\u884c\u5206\u7d44\u64cd\u4f5c<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u6548\u7387\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u662f\u5426\u652f\u6301\u5206\u7d44\u64cd\u4f5c\uff0c\u4e26\u5206\u6790\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u610f\u7fa9\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\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n

\u5206\u7d44\u64cd\u4f5c\u7684\u5b9a\u7fa9<\/h2>\n

\u5728\u6578\u64da\u8655\u7406\u4e2d\uff0c\u5206\u7d44\u64cd\u4f5c\u901a\u5e38\u6307\u5c07\u6578\u64da\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u9032\u884c\u5206\u985e\uff0c\u4ee5\u4fbf\u9032\u884c\u805a\u5408\u8a08\u7b97\u6216\u5176\u4ed6\u64cd\u4f5c\u3002\u5728\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u9019\u901a\u5e38\u662f\u901a\u904e SQL \u7684 GROUP BY \u8a9e\u53e5\u4f86\u5be6\u73fe\u7684\u3002\u7136\u800c\uff0c\u5728 Redis \u4e2d\uff0c\u5206\u7d44\u64cd\u4f5c\u7684\u5be6\u73fe\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

Redis \u4e2d\u7684\u5206\u7d44\u64cd\u4f5c<\/h2>\n

\u96d6\u7136 Redis \u672c\u8eab\u4e26\u4e0d\u76f4\u63a5\u652f\u6301\u50b3\u7d71\u610f\u7fa9\u4e0a\u7684\u5206\u7d44\u64cd\u4f5c\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u6280\u5de7\u4f86\u5be6\u73fe\u985e\u4f3c\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528\u54c8\u5e0c\u8868<\/h3>\n

\u54c8\u5e0c\u8868\u662f\u4e00\u7a2e\u975e\u5e38\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u5206\u7d44\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u7528\u6236 ID \u4f5c\u70ba\u54c8\u5e0c\u8868\u7684\u9375\uff0c\u4e26\u5c07\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\u5b58\u5132\u70ba\u54c8\u5e0c\u8868\u7684\u5b57\u6bb5\u3002<\/p>\n

HSET user:1 purchases \"item1\" 2\nHSET user:1 purchases \"item2\" 1\nHSET user:2 purchases \"item1\" 1\n<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u6839\u64da\u7528\u6236 ID \u4f86\u67e5\u8a62\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\uff0c\u5be6\u73fe\u4e86\u5206\u7d44\u7684\u6548\u679c\u3002<\/p>\n
2. \u4f7f\u7528\u96c6\u5408<\/h3>\n
\u96c6\u5408\u662f\u4e00\u7a2e\u7121\u5e8f\u4e14\u552f\u4e00\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u5206\u7d44\u7684\u6a19\u7c64\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\u5b58\u5132\u5728\u4e0d\u540c\u7684\u96c6\u5408\u4e2d\uff1a<\/p>\n
SADD user:1:purchases \"item1\"\nSADD user:1:purchases \"item2\"\nSADD user:2:purchases \"item1\"\n<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u96c6\u5408\u7684\u64cd\u4f5c\u4f86\u7372\u53d6\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\uff0c\u5be6\u73fe\u5206\u7d44\u7684\u6548\u679c\u3002<\/p>\n
3. \u4f7f\u7528\u6709\u5e8f\u96c6\u5408<\/h3>\n
\u6709\u5e8f\u96c6\u5408\u4e0d\u50c5\u53ef\u4ee5\u5b58\u5132\u552f\u4e00\u7684\u5143\u7d20\uff0c\u9084\u53ef\u4ee5\u70ba\u6bcf\u500b\u5143\u7d20\u5206\u914d\u4e00\u500b\u5206\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\uff0c\u4e26\u6839\u64da\u8cfc\u8cb7\u7684\u6642\u9593\u6233\u9032\u884c\u6392\u5e8f\uff1a<\/p>\n
ZADD user:1:purchases 1620000000 \"item1\"\nZADD user:1:purchases 1620003600 \"item2\"\nZADD user:2:purchases 1620007200 \"item1\"\n<\/code><\/pre>\n
\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u6642\u9593\u6233\u4f86\u67e5\u8a62\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u7269\u8a18\u9304\uff0c\u5be6\u73fe\u4e86\u5206\u7d44\u548c\u6392\u5e8f\u7684\u6548\u679c\u3002<\/p>\n
\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u8003\u91cf<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9078\u64c7\u54ea\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u5206\u7d44\u64cd\u4f5c\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u5feb\u901f\u67e5\u8a62\u67d0\u500b\u7528\u6236\u7684\u6240\u6709\u8cfc\u7269\u8a18\u9304\uff0c\u54c8\u5e0c\u8868\u53ef\u80fd\u662f\u6700\u4f73\u9078\u64c7\uff1b\u800c\u5982\u679c\u9700\u8981\u6839\u64da\u6642\u9593\u9032\u884c\u6392\u5e8f\uff0c\u5247\u6709\u5e8f\u96c6\u5408\u6703\u66f4\u5408\u9069\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u96d6\u7136 Redis \u672c\u8eab\u4e0d\u652f\u6301\u50b3\u7d71\u610f\u7fa9\u4e0a\u7684\u5206\u7d44\u64cd\u4f5c\uff0c\u4f46\u901a\u904e\u9748\u6d3b\u904b\u7528\u5176\u6578\u64da\u7d50\u69cb\uff0c\u6211\u5011\u4ecd\u7136\u53ef\u4ee5\u5be6\u73fe\u985e\u4f3c\u7684\u529f\u80fd\u3002\u9019\u4f7f\u5f97 Redis \u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6eff\u8db3\u5404\u7a2e\u6578\u64da\u8655\u7406\u9700\u6c42\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc VPS<\/a> \u548c \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis \u5feb\u53d6\u652f\u6301\u5206\u7d44\u64cd\u4f5c\uff0c\u5141\u8a31\u5c07\u76f8\u95dc\u6578\u64da\u7d44\u7e54\u5728\u4e00\u8d77\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u548c\u6578\u64da\u7ba1\u7406\u9748\u6d3b\u6027\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-118100","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/118100","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=118100"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/118100\/revisions"}],"predecessor-version":[{"id":118101,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/118100\/revisions\/118101"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=118100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=118100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=118100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}