{"id":127016,"date":"2024-10-26T09:04:17","date_gmt":"2024-10-26T01:04:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/127016\/"},"modified":"2024-10-26T09:04:18","modified_gmt":"2024-10-26T01:04:18","slug":"redis-%e8%ae%93%e6%97%a5%e6%b4%bb%e7%b5%b1%e8%a8%88%e8%ae%8a%e5%be%97%e6%9b%b4%e7%b0%a1%e5%96%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/127016\/","title":{"rendered":"Redis \u8b93\u65e5\u6d3b\u7d71\u8a08\u8b8a\u5f97\u66f4\u7c21\u55ae"},"content":{"rendered":"<h1 id=\"redis-%e8%ae%93%e6%97%a5%e6%b4%bb%e7%b5%b1%e8%a8%88%e8%ae%8a%e5%be%97%e6%9b%b4%e7%b0%a1%e5%96%ae-NtfiqjHyQQ\">Redis \u8b93\u65e5\u6d3b\u7d71\u8a08\u8b8a\u5f97\u66f4\u7c21\u55ae<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u4f01\u696d\u8d8a\u4f86\u8d8a\u4f9d\u8cf4\u65bc\u5373\u6642\u6578\u64da\u5206\u6790\u4f86\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002\u65e5\u6d3b\u8e8d\u7528\u6236\uff08DAU\uff09\u7d71\u8a08\u662f\u8a55\u4f30\u61c9\u7528\u7a0b\u5f0f\u6216\u7db2\u7ad9\u8868\u73fe\u7684\u91cd\u8981\u6307\u6a19\u4e4b\u4e00\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u6536\u96c6\u548c\u5206\u6790\u9019\u4e9b\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u8655\u7406\u65e5\u6d3b\u7d71\u8a08\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NtfiqjHyQQ\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5404\u7a2e\u6578\u64da\u985e\u578b\u6642\u90fd\u80fd\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis-%e9%80%b2%e8%a1%8c%e6%97%a5%e6%b4%bb%e7%b5%b1%e8%a8%88-NtfiqjHyQQ\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis \u9032\u884c\u65e5\u6d3b\u7d71\u8a08<\/h2>\n<p>\u4f7f\u7528 Redis \u9032\u884c\u65e5\u6d3b\u7d71\u8a08\u6709\u5e7e\u500b\u986f\u8457\u7684\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u4ee5\u6975\u5feb\u7684\u901f\u5ea6\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5373\u6642\u66f4\u65b0\u7684\u65e5\u6d3b\u7d71\u8a08\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u63d0\u4f9b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5f97\u7d71\u8a08\u8a08\u7b97\u8b8a\u5f97\u7c21\u55ae\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u4f86\u5b58\u5132\u6bcf\u65e5\u6d3b\u8e8d\u7528\u6236\u7684 ID\uff0c\u4e26\u8f15\u9b06\u8a08\u7b97\u51fa\u7528\u6236\u7684\u552f\u4e00\u6027\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u9078\u9805\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-redis-%e9%80%b2%e8%a1%8c%e6%97%a5%e6%b4%bb%e7%b5%b1%e8%a8%88-NtfiqjHyQQ\">\u5982\u4f55\u4f7f\u7528 Redis \u9032\u884c\u65e5\u6d3b\u7d71\u8a08<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u9032\u884c\u65e5\u6d3b\u7d71\u8a08\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nfrom datetime import datetime\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5047\u8a2d\u7528\u6236 ID \u662f\u4e00\u500b\u5b57\u7b26\u4e32\nuser_id = \"user123\"\n# \u7372\u53d6\u4eca\u5929\u7684\u65e5\u671f\ntoday = datetime.now().strftime(\"%Y-%m-%d\")\n\n# \u5c07\u7528\u6236 ID \u6dfb\u52a0\u5230\u4eca\u5929\u7684\u96c6\u5408\u4e2d\nr.sadd(f\"active_users:{today}\", user_id)\n\n# \u7372\u53d6\u4eca\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\nactive_user_count = r.scard(f\"active_users:{today}\")\nprint(f\"\u4eca\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf: {active_user_count}\")\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 Redis \u7684\u96c6\u5408\u4f86\u5b58\u5132\u6bcf\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u3002\u6bcf\u7576\u7528\u6236\u8a2a\u554f\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u4ed6\u5011\u7684 ID \u5c31\u6703\u88ab\u6dfb\u52a0\u5230\u7576\u5929\u7684\u96c6\u5408\u4e2d\u3002\u901a\u904e\u4f7f\u7528 <code>scard<\/code> \u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u7576\u5929\u7684\u6d3b\u8e8d\u7528\u6236\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-NtfiqjHyQQ\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u9032\u884c\u65e5\u6d3b\u7d71\u8a08\u3002\u5176\u9ad8\u6027\u80fd\u3001\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4ee5\u53ca\u6301\u4e45\u5316\u9078\u9805\uff0c\u4f7f\u5f97\u5b83\u6210\u70ba\u8655\u7406\u5373\u6642\u6578\u64da\u7684\u7406\u60f3\u9078\u64c7\u3002\u96a8\u8457\u4f01\u696d\u5c0d\u6578\u64da\u5206\u6790\u9700\u6c42\u7684\u589e\u52a0\uff0cRedis \u5c07\u5728\u65e5\u6d3b\u8e8d\u7528\u6236\u7d71\u8a08\u4e2d\u626e\u6f14\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72 Redis\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u8b93\u65e5\u6d3b\u7d71\u8a08\u8b8a\u5f97\u66f4\u7c21\u55ae\uff0c\u63d0\u4f9b\u5feb\u901f\u6578\u64da\u5b58\u53d6\u8207\u9ad8\u6548\u80fd\u5206\u6790\uff0c\u52a9\u529b\u4f01\u696d\u5373\u6642\u638c\u63e1\u7528\u6236\u884c\u70ba\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-127016","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127016","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=127016"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127016\/revisions"}],"predecessor-version":[{"id":127017,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127016\/revisions\/127017"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=127016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=127016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=127016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}