{"id":154353,"date":"2024-11-02T15:06:20","date_gmt":"2024-11-02T07:06:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154353\/"},"modified":"2024-11-02T15:06:21","modified_gmt":"2024-11-02T07:06:21","slug":"%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%e8%aa%bf%e5%ba%a6%e5%9f%ba%e6%96%bcredis%e9%9a%8a%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88redis%e9%9a%8a%e5%88%97%e5%ae%9a%e6%99%82%e5%9f%b7%e8%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154353\/","title":{"rendered":"\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u57fa\u65bcRedis\u968a\u5217\u7684\u5be6\u73fe\uff08redis\u968a\u5217\u5b9a\u6642\u57f7\u884c\uff09"},"content":{"rendered":"<h1 id=\"%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%e8%aa%bf%e5%ba%a6%e5%9f%ba%e6%96%bcredis%e9%9a%8a%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88redis%e9%9a%8a%e5%88%97%e5%ae%9a%e6%99%82%e5%9f%b7%e8%a1%8c%ef%bc%89-ZCXWnxuQXf\">\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u57fa\u65bcRedis\u968a\u5217\u7684\u5be6\u73fe\uff08redis\u968a\u5217\u5b9a\u6642\u57f7\u884c\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u5b9a\u6642\u4efb\u52d9\u7684\u8abf\u5ea6\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5b9a\u671f\u767c\u9001\u96fb\u5b50\u90f5\u4ef6\u3001\u57f7\u884c\u6578\u64da\u5099\u4efd\uff0c\u9084\u662f\u9032\u884c\u7cfb\u7d71\u7dad\u8b77\uff0c\u9019\u4e9b\u4efb\u52d9\u90fd\u9700\u8981\u4e00\u500b\u53ef\u9760\u7684\u8abf\u5ea6\u7cfb\u7d71\u4f86\u78ba\u4fdd\u5176\u6e96\u6642\u57f7\u884c\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u968a\u5217\u529f\u80fd\uff0c\u80fd\u5920\u6709\u6548\u5730\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u7684\u8abf\u5ea6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bcRedis\u968a\u5217\u4f86\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u7684\u8abf\u5ea6\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-ZCXWnxuQXf\">Redis\u7c21\u4ecb<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u4efb\u52d9\u8abf\u5ea6\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%e4%bd%9c%e7%82%ba%e4%bb%bb%e5%8b%99%e8%aa%bf%e5%ba%a6%e5%b7%a5%e5%85%b7-ZCXWnxuQXf\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\u4f5c\u70ba\u4efb\u52d9\u8abf\u5ea6\u5de5\u5177<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u5728\u8b80\u5beb\u64cd\u4f5c\u4e0a\u5177\u6709\u6975\u9ad8\u7684\u6027\u80fd\uff0c\u80fd\u5920\u652f\u6301\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\uff0c\u9019\u5c0d\u65bc\u4efb\u52d9\u8abf\u5ea6\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u5176\u96c6\u6210\u5230\u61c9\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%ba%e6%96%bcredis%e7%9a%84%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%e8%aa%bf%e5%ba%a6%e5%af%a6%e7%8f%be-ZCXWnxuQXf\">\u57fa\u65bcRedis\u7684\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u5be6\u73fe<\/h2>\n<p>\u8981\u5be6\u73fe\u57fa\u65bcRedis\u7684\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5217\u8868\uff08List\uff09\u6216\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u4efb\u52d9\u3002\u4ee5\u4e0b\u662f\u57fa\u65bc\u6709\u5e8f\u96c6\u5408\u7684\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%b7%bb%e5%8a%a0%e4%bb%bb%e5%8b%99%e5%88%b0redis-ZCXWnxuQXf\">\u6b65\u9a5f\u4e00\uff1a\u6dfb\u52a0\u4efb\u52d9\u5230Redis<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u4efb\u52d9\u6dfb\u52a0\u5230Redis\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u57f7\u884c\u6642\u9593\u6233\u3002\u4ee5\u4e0b\u662fPython\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u4efb\u52d9\u5230\u6709\u5e8f\u96c6\u5408\ndef add_task(task, execute_time):\n    r.zadd('task_queue', {task: execute_time})\n\n# \u793a\u4f8b\uff1a\u6dfb\u52a0\u4e00\u500b\u4efb\u52d9\uff0c\u57f7\u884c\u6642\u9593\u70ba\u7576\u524d\u6642\u9593\u52a010\u79d2\nadd_task('send_email', time.time() + 10)<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%9f%b7%e8%a1%8c%e4%bb%bb%e5%8b%99-ZCXWnxuQXf\">\u6b65\u9a5f\u4e8c\uff1a\u57f7\u884c\u4efb\u52d9<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u4efb\u52d9\uff0c\u4e26\u57f7\u884c\u5230\u671f\u7684\u4efb\u52d9\u3002\u4ee5\u4e0b\u662f\u6aa2\u67e5\u548c\u57f7\u884c\u4efb\u52d9\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>def execute_tasks():\n    while True:\n        # \u7372\u53d6\u7576\u524d\u6642\u9593\n        current_time = time.time()\n        \n        # \u7372\u53d6\u5230\u671f\u7684\u4efb\u52d9\n        tasks = r.zrangebyscore('task_queue', 0, current_time)\n        \n        for task in tasks:\n            print(f'Executing task: {task.decode(\"utf-8\")}')\n            # \u5728\u9019\u88e1\u57f7\u884c\u4efb\u52d9\u7684\u5177\u9ad4\u908f\u8f2f\n            \n            # \u522a\u9664\u5df2\u57f7\u884c\u7684\u4efb\u52d9\n            r.zrem('task_queue', task)\n        \n        # \u6bcf\u96941\u79d2\u6aa2\u67e5\u4e00\u6b21\n        time.sleep(1)\n\n# \u958b\u59cb\u57f7\u884c\u4efb\u52d9\nexecute_tasks()<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZCXWnxuQXf\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bcRedis\u7684\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u7cfb\u7d71\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u57f7\u884c\u5404\u7a2e\u4efb\u52d9\uff0c\u4e26\u4e14\u5176\u9ad8\u6027\u80fd\u548c\u7c21\u55ae\u6613\u7528\u7684\u7279\u6027\u4f7f\u5176\u6210\u70ba\u958b\u767c\u8005\u7684\u7406\u60f3\u9078\u64c7\u3002\u901a\u904e\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u4efb\u52d9\u7684\u6dfb\u52a0\u548c\u57f7\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u57fa\u65bcRedis\u968a\u5217\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\uff0c\u63d0\u5347\u4efb\u52d9\u57f7\u884c\u6548\u7387\u8207\u53ef\u9760\u6027\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-154353","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154353","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=154353"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154353\/revisions"}],"predecessor-version":[{"id":154354,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154353\/revisions\/154354"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}