{"id":170047,"date":"2024-11-06T20:42:19","date_gmt":"2024-11-06T12:42:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170047\/"},"modified":"2024-11-06T20:42:19","modified_gmt":"2024-11-06T12:42:19","slug":"%e5%85%a7%e7%86%b1%e5%ba%a6%e4%bd%bf%e7%94%a8redis%e7%b5%b1%e8%a8%88%e7%89%b9%e5%ae%9a%e6%99%82%e9%96%93%e6%ae%b5%e7%86%b1%e5%ba%a6%e8%ae%8a%e5%8c%96%ef%bc%88redis-%e7%b5%b1%e8%a8%88%e4%b8%80%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170047\/","title":{"rendered":"\u5167\u71b1\u5ea6\u4f7f\u7528Redis\u7d71\u8a08\u7279\u5b9a\u6642\u9593\u6bb5\u71b1\u5ea6\u8b8a\u5316\uff08redis \u7d71\u8a08\u4e00\u6bb5\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e5%85%a7%e7%86%b1%e5%ba%a6%e4%bd%bf%e7%94%a8redis%e7%b5%b1%e8%a8%88%e7%89%b9%e5%ae%9a%e6%99%82%e9%96%93%e6%ae%b5%e7%86%b1%e5%ba%a6%e8%ae%8a%e5%8c%96-JKxVAxdRfO\">\u5167\u71b1\u5ea6\u4f7f\u7528Redis\u7d71\u8a08\u7279\u5b9a\u6642\u9593\u6bb5\u71b1\u5ea6\u8b8a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u7d71\u8a08\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u71b1\u5ea6\u8b8a\u5316\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%86%b1%e5%ba%a6%e7%b5%b1%e8%a8%88%ef%bc%9f-JKxVAxdRfO\">\u4ec0\u9ebc\u662f\u71b1\u5ea6\u7d71\u8a08\uff1f<\/h2>\n<p>\u71b1\u5ea6\u7d71\u8a08\u662f\u6307\u5c0d\u67d0\u4e9b\u6578\u64da\u5728\u7279\u5b9a\u6642\u9593\u6bb5\u5167\u7684\u4f7f\u7528\u983b\u7387\u6216\u53d7\u6b61\u8fce\u7a0b\u5ea6\u9032\u884c\u5206\u6790\u3002\u9019\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\u7db2\u7ad9\u6d41\u91cf\u5206\u6790\u3001\u5546\u54c1\u92b7\u552e\u8da8\u52e2\u3001\u793e\u4ea4\u5a92\u9ad4\u4e92\u52d5\u7b49\u3002\u901a\u904e\u71b1\u5ea6\u7d71\u8a08\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u7528\u6236\u884c\u70ba\uff0c\u5f9e\u800c\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-JKxVAxdRfO\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u53ef\u4ee5\u5c07\u5167\u5b58\u4e2d\u7684\u6578\u64da\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e9%80%b2%e8%a1%8c%e7%86%b1%e5%ba%a6%e7%b5%b1%e8%a8%88%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-JKxVAxdRfO\">\u4f7f\u7528Redis\u9032\u884c\u71b1\u5ea6\u7d71\u8a08\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u71b1\u5ea6\u7d71\u8a08\u7684\u57fa\u672c\u601d\u8def\u662f\u5c07\u6bcf\u500b\u4e8b\u4ef6\u7684\u767c\u751f\u8a18\u9304\u5230Redis\u4e2d\uff0c\u7136\u5f8c\u5728\u7279\u5b9a\u6642\u9593\u6bb5\u5167\u9032\u884c\u7d71\u8a08\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u9019\u4e00\u904e\u7a0b\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u71b1\u5ea6\u6578\u64da\u3002<\/li>\n<li>\u5728\u4e8b\u4ef6\u767c\u751f\u6642\u66f4\u65b0Redis\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<li>\u5728\u9700\u8981\u7d71\u8a08\u6642\uff0c\u6839\u64da\u6642\u9593\u7bc4\u570d\u67e5\u8a62\u6578\u64da\u3002<\/li>\n<\/ol>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-JKxVAxdRfO\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u9032\u884c\u71b1\u5ea6\u7d71\u8a08\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u8981\u7d71\u8a08\u67d0\u500b\u5546\u54c1\u5728\u904e\u53bb\u4e00\u5c0f\u6642\u5167\u7684\u9ede\u64ca\u6b21\u6578\u3002<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u5b9a\u5546\u54c1ID\nproduct_id = 'product:123'\n\n# \u66f4\u65b0\u9ede\u64ca\u6b21\u6578\ndef record_click(product_id):\n    # \u4f7f\u7528Redis\u7684ZADD\u547d\u4ee4\u5c07\u7576\u524d\u6642\u9593\u6233\u4f5c\u70ba\u5206\u6578\uff0c\u5546\u54c1ID\u4f5c\u70ba\u6210\u54e1\n    r.zadd(product_id, {time.time(): 1})\n\n# \u7372\u53d6\u904e\u53bb\u4e00\u5c0f\u6642\u7684\u9ede\u64ca\u6b21\u6578\ndef get_clicks_last_hour(product_id):\n    # \u8a08\u7b97\u4e00\u5c0f\u6642\u524d\u7684\u6642\u9593\u6233\n    one_hour_ago = time.time() - 3600\n    # \u4f7f\u7528ZCOUNT\u547d\u4ee4\u7d71\u8a08\u904e\u53bb\u4e00\u5c0f\u6642\u7684\u9ede\u64ca\u6b21\u6578\n    return r.zcount(product_id, one_hour_ago, time.time())\n\n# \u6a21\u64ec\u9ede\u64ca\u4e8b\u4ef6\nfor _ in range(10):\n    record_click(product_id)\n    time.sleep(5)\n\n# \u7372\u53d6\u4e26\u6253\u5370\u904e\u53bb\u4e00\u5c0f\u6642\u7684\u9ede\u64ca\u6b21\u6578\nclicks = get_clicks_last_hour(product_id)\nprint(f'\u904e\u53bb\u4e00\u5c0f\u6642\u7684\u9ede\u64ca\u6b21\u6578: {clicks}')\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08ZSET\uff09\u4f86\u5b58\u5132\u6bcf\u6b21\u9ede\u64ca\u7684\u6642\u9593\u6233\u3002\u901a\u904eZCOUNT\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7d71\u8a08\u5728\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7684\u9ede\u64ca\u6b21\u6578\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-JKxVAxdRfO\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u71b1\u5ea6\u7d71\u8a08\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5feb\u901f\u7372\u53d6\u7528\u6236\u884c\u70ba\u7684\u6d1e\u5bdf\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u548c\u67e5\u8a62\u65b9\u5f0f\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u77ac\u606f\u842c\u8b8a\u7684\u5e02\u5834\u4e2d\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u7d71\u8a08\u7279\u5b9a\u6642\u9593\u6bb5\u7684\u5167\u71b1\u5ea6\u8b8a\u5316\uff0c\u5feb\u901f\u5206\u6790\u6578\u64da\u8da8\u52e2\uff0c\u63d0\u5347\u696d\u52d9\u6c7a\u7b56\u6548\u7387\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-170047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170047","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=170047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170047\/revisions"}],"predecessor-version":[{"id":170048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170047\/revisions\/170048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}