{"id":181536,"date":"2024-11-09T17:52:21","date_gmt":"2024-11-09T09:52:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181536\/"},"modified":"2024-11-09T17:52:22","modified_gmt":"2024-11-09T09:52:22","slug":"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%ef%bc%88redis%e8%a9%a6%e4%b8%8b%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181536\/","title":{"rendered":"\u6df1\u5165\u6dfa\u51faRedis\u5ef6\u6642\u968a\u5217\uff08redis\u8a66\u4e0b\u5ef6\u6642\u968a\u5217\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%b7%ba%e5%87%baredis%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%ef%bc%88redis%e8%a9%a6%e4%b8%8b%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%ef%bc%89-nUJkInrMSx\">\u6df1\u5165\u6dfa\u51faRedis\u5ef6\u6642\u968a\u5217\uff08redis\u8a66\u4e0b\u5ef6\u6642\u968a\u5217\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u8655\u7406\u7570\u6b65\u4efb\u52d9\u548c\u5ef6\u9072\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u4e0d\u50c5\u80fd\u5920\u63d0\u4f9b\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\uff0c\u9084\u80fd\u5920\u5be6\u73fe\u5ef6\u6642\u968a\u5217\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u5ef6\u6642\u968a\u5217\u7684\u6982\u5ff5\u3001\u5be6\u73fe\u65b9\u5f0f\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%ef%bc%9f-nUJkInrMSx\">\u4ec0\u9ebc\u662f\u5ef6\u6642\u968a\u5217\uff1f<\/h2>\n<p>\u5ef6\u6642\u968a\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6d88\u606f\u968a\u5217\uff0c\u5141\u8a31\u958b\u767c\u8005\u5c07\u6d88\u606f\u653e\u5165\u968a\u5217\u4e2d\uff0c\u4e26\u6307\u5b9a\u4e00\u500b\u5ef6\u9072\u6642\u9593\u3002\u5728\u9019\u6bb5\u6642\u9593\u5167\uff0c\u6d88\u606f\u4e0d\u6703\u88ab\u6d88\u8cbb\uff0c\u76f4\u5230\u5ef6\u9072\u6642\u9593\u7d50\u675f\u3002\u9019\u7a2e\u6a5f\u5236\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5b9a\u6642\u4efb\u52d9\u3001\u91cd\u8a66\u6a5f\u5236\u7b49\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%bb%b6%e6%99%82%e9%9a%8a%e5%88%97%e5%af%a6%e7%8f%be-nUJkInrMSx\">Redis\u7684\u5ef6\u6642\u968a\u5217\u5be6\u73fe<\/h2>\n<p>Redis\u672c\u8eab\u4e26\u4e0d\u76f4\u63a5\u652f\u6301\u5ef6\u6642\u968a\u5217\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u5229\u7528Redis\u7684\u6578\u64da\u7d50\u69cb\u548c\u547d\u4ee4\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5be6\u73feRedis\u5ef6\u6642\u968a\u5217\u7684\u57fa\u672c\u601d\u8def\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u6d88\u606f\uff0c\u96c6\u5408\u7684\u5206\u6578\uff08score\uff09\u7528\u4f86\u8868\u793a\u6d88\u606f\u7684\u5230\u671f\u6642\u9593\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u6709\u5e8f\u96c6\u5408\uff0c\u5c07\u5230\u671f\u7684\u6d88\u606f\u79fb\u5165\u53e6\u4e00\u500b\u968a\u5217\uff08\u5982\u5217\u8868 List\uff09\u4e2d\uff0c\u4f9b\u6d88\u8cbb\u8005\u8655\u7406\u3002<\/li>\n<\/ol>\n<h3 id=\"%e5%af%a6%e7%8f%be%e6%ad%a5%e9%a9%9f-nUJkInrMSx\">\u5be6\u73fe\u6b65\u9a5f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u5ef6\u6642\u968a\u5217\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5c07\u6d88\u606f\u653e\u5165\u5ef6\u6642\u968a\u5217\ndef add_to_delay_queue(message, delay):\n    # \u8a08\u7b97\u5230\u671f\u6642\u9593\n    score = time.time() + delay\n    r.zadd('delay_queue', {message: score})\n\n# \u6d88\u8cbb\u5ef6\u6642\u968a\u5217\u4e2d\u7684\u6d88\u606f\ndef consume_delay_queue():\n    while True:\n        # \u7372\u53d6\u7576\u524d\u6642\u9593\n        now = time.time()\n        # \u7372\u53d6\u5230\u671f\u7684\u6d88\u606f\n        messages = r.zrangebyscore('delay_queue', 0, now)\n        \n        for message in messages:\n            # \u8655\u7406\u6d88\u606f\n            print(f'Processing message: {message.decode(\"utf-8\")}')\n            # \u5c07\u6d88\u606f\u79fb\u51fa\u5ef6\u6642\u968a\u5217\n            r.zrem('delay_queue', message)\n        \n        # \u66ab\u505c\u4e00\u6bb5\u6642\u9593\uff0c\u907f\u514d\u904e\u65bc\u983b\u7e41\u7684\u67e5\u8a62\n        time.sleep(1)\n\n# \u793a\u4f8b\uff1a\u6dfb\u52a0\u6d88\u606f\u5230\u5ef6\u6642\u968a\u5217\nadd_to_delay_queue('Hello, World!', 5)\n\n# \u958b\u59cb\u6d88\u8cbb\u5ef6\u6642\u968a\u5217\nconsume_delay_queue()\n<\/code><\/pre>\n<h2 id=\"%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-nUJkInrMSx\">\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis\u5ef6\u6642\u968a\u5217\u53ef\u4ee5\u61c9\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u6642\u4efb\u52d9\uff1a<\/strong>\u53ef\u4ee5\u7528\u65bc\u5b9a\u6642\u767c\u9001\u90f5\u4ef6\u3001\u63a8\u9001\u901a\u77e5\u7b49\u3002<\/li>\n<li><strong>\u91cd\u8a66\u6a5f\u5236\uff1a<\/strong>\u5728\u8655\u7406\u67d0\u4e9b\u64cd\u4f5c\u5931\u6557\u6642\uff0c\u53ef\u4ee5\u5c07\u64cd\u4f5c\u653e\u5165\u5ef6\u6642\u968a\u5217\uff0c\u7a0d\u5f8c\u518d\u91cd\u8a66\u3002<\/li>\n<li><strong>\u6d41\u91cf\u63a7\u5236\uff1a<\/strong>\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u901a\u904e\u5ef6\u6642\u968a\u5217\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u8655\u7406\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nUJkInrMSx\">\u7e3d\u7d50<\/h2>\n<p>Redis\u5ef6\u6642\u968a\u5217\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u7ba1\u7406\u7570\u6b65\u4efb\u52d9\u548c\u5ef6\u9072\u64cd\u4f5c\u3002\u901a\u904e\u5229\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u5ef6\u6642\u968a\u5217\u7684\u529f\u80fd\uff0c\u4e26\u5728\u591a\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u767c\u63ee\u5176\u4f5c\u7528\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5ef6\u6642\u968a\u5217\u7684\u57fa\u672c\u6982\u5ff5\u8207\u5be6\u8e10\uff0c\u8f15\u9b06\u638c\u63e1\u5982\u4f55\u5728\u9805\u76ee\u4e2d\u6709\u6548\u61c9\u7528\u5ef6\u6642\u968a\u5217\u6280\u8853\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-181536","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181536","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=181536"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181536\/revisions"}],"predecessor-version":[{"id":181537,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181536\/revisions\/181537"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}