{"id":197524,"date":"2024-11-14T08:40:24","date_gmt":"2024-11-14T00:40:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197524\/"},"modified":"2024-11-14T08:40:25","modified_gmt":"2024-11-14T00:40:25","slug":"%e5%88%a9%e7%94%a8redis%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%ef%bc%88redis-%e8%a7%b8%e7%99%bc%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197524\/","title":{"rendered":"\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\uff08redis \u89f8\u767c\u5b9a\u6642\u4efb\u52d9\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%ef%bc%88redis-%e8%a7%b8%e7%99%bc%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%ef%bc%89-CsHHLQtuXN\">\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\uff08Redis \u89f8\u767c\u5b9a\u6642\u4efb\u52d9\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u5b9a\u6642\u4efb\u52d9\u7684\u9700\u6c42\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u5b9a\u671f\u6e05\u7406\u6578\u64da\u3001\u767c\u9001\u901a\u77e5\uff0c\u9084\u662f\u57f7\u884c\u6279\u91cf\u8655\u7406\uff0c\u5b9a\u6642\u4efb\u52d9\u90fd\u80fd\u6709\u6548\u63d0\u9ad8\u7cfb\u7d71\u7684\u81ea\u52d5\u5316\u7a0b\u5ea6\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u4e0d\u50c5\u80fd\u5920\u5b58\u5132\u6578\u64da\uff0c\u9084\u80fd\u8f15\u9b06\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u7684\u89f8\u767c\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-CsHHLQtuXN\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/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\u5b83\u7684\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u3002Redis\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u5176\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%e7%9a%84%e9%9c%80%e6%b1%82-CsHHLQtuXN\">\u5b9a\u6642\u4efb\u52d9\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u5b9a\u6642\u4efb\u52d9\u7684\u9700\u6c42\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\uff0c\u4f8b\u5982\u6578\u64da\u5099\u4efd\u6216\u5831\u544a\u751f\u6210\u3002<\/li>\n<li>\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u89f8\u767c\u7684\u4efb\u52d9\uff0c\u4f8b\u5982\u7528\u6236\u884c\u70ba\u5206\u6790\u3002<\/li>\n<li>\u5b9a\u6642\u767c\u9001\u901a\u77e5\u6216\u63d0\u9192\uff0c\u4f8b\u5982\u96fb\u5b50\u90f5\u4ef6\u6216\u77ed\u4fe1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-CsHHLQtuXN\">\u4f7f\u7528Redis\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9<\/h2>\n<p>Redis\u672c\u8eab\u4e26\u4e0d\u63d0\u4f9b\u5167\u5efa\u7684\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u529f\u80fd\uff0c\u4f46\u6211\u5011\u53ef\u4ee5\u5229\u7528\u5176\u6578\u64da\u7d50\u69cb\u548c\u4e00\u4e9b\u5916\u90e8\u5de5\u5177\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redis%e7%9a%84sorted-set-CsHHLQtuXN\">1. \u4f7f\u7528Redis\u7684Sorted Set<\/h3>\n<p>Sorted Set\u662f\u4e00\u7a2e\u6709\u5e8f\u96c6\u5408\uff0c\u80fd\u5920\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002\u6211\u5011\u53ef\u4ee5\u5229\u7528Sorted Set\u4f86\u5b58\u5132\u5b9a\u6642\u4efb\u52d9\u7684\u57f7\u884c\u6642\u9593\uff0c\u7136\u5f8c\u5b9a\u671f\u6aa2\u67e5\u4e26\u57f7\u884c\u5230\u671f\u7684\u4efb\u52d9\u3002<\/p>\n<pre><code>\n# \u5c07\u4efb\u52d9\u6dfb\u52a0\u5230Sorted Set\u4e2d\nZADD tasks 1633036800 \"task1\"\nZADD tasks 1633040400 \"task2\"\n\n# \u7372\u53d6\u7576\u524d\u6642\u9593\u4e4b\u524d\u7684\u6240\u6709\u4efb\u52d9\nZRANGEBYSCORE tasks -inf 1633036800\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e7%9a%84pub-sub%e5%8a%9f%e8%83%bd-CsHHLQtuXN\">2. \u4f7f\u7528Redis\u7684Pub\/Sub\u529f\u80fd<\/h3>\n<p>Redis\u7684Pub\/Sub\u529f\u80fd\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6d88\u606f\u7684\u767c\u5e03\u548c\u8a02\u95b1\u3002\u6211\u5011\u53ef\u4ee5\u5c07\u5b9a\u6642\u4efb\u52d9\u7684\u57f7\u884c\u7d50\u679c\u901a\u904e\u6d88\u606f\u767c\u9001\u5230\u8a02\u95b1\u8005\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u4efb\u52d9\u7684\u7570\u6b65\u8655\u7406\u3002<\/p>\n<pre><code>\n# \u767c\u5e03\u6d88\u606f\nPUBLISH task_channel \"task1 executed\"\n\n# \u8a02\u95b1\u6d88\u606f\nSUBSCRIBE task_channel\n<\/code><\/pre>\n<h3 id=\"3-%e7%b5%90%e5%90%88%e5%a4%96%e9%83%a8%e4%bb%bb%e5%8b%99%e8%aa%bf%e5%ba%a6%e5%b7%a5%e5%85%b7-CsHHLQtuXN\">3. \u7d50\u5408\u5916\u90e8\u4efb\u52d9\u8abf\u5ea6\u5de5\u5177<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528Redis\u672c\u8eab\u7684\u529f\u80fd\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u7d50\u5408\u4e00\u4e9b\u5916\u90e8\u7684\u4efb\u52d9\u8abf\u5ea6\u5de5\u5177\uff0c\u5982Cron\u6216Hangfire\uff0c\u4f86\u5be6\u73fe\u66f4\u70ba\u8907\u96dc\u7684\u5b9a\u6642\u4efb\u52d9\u8abf\u5ea6\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5b9a\u671f\u6aa2\u67e5Redis\u4e2d\u7684\u4efb\u52d9\uff0c\u4e26\u6839\u64da\u9700\u8981\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-CsHHLQtuXN\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684Sorted Set\u4f86\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\uff1a<\/p>\n<pre><code>\nimport redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u4efb\u52d9\nr.zadd('tasks', {'task1': time.time() + 10})  # 10\u79d2\u5f8c\u57f7\u884c\n\nwhile True:\n    # \u7372\u53d6\u7576\u524d\u6642\u9593\u4e4b\u524d\u7684\u6240\u6709\u4efb\u52d9\n    tasks = r.zrangebyscore('tasks', 0, time.time())\n    for task in tasks:\n        print(f'\u57f7\u884c\u4efb\u52d9: {task.decode(\"utf-8\")}')\n        r.zrem('tasks', task)  # \u522a\u9664\u5df2\u57f7\u884c\u7684\u4efb\u52d9\n    time.sleep(1)  # \u6bcf\u79d2\u6aa2\u67e5\u4e00\u6b21\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CsHHLQtuXN\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u4f7f\u7528Redis\u7684\u6578\u64da\u7d50\u69cb\u548c\u529f\u80fd\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u57f7\u884c\u5b9a\u6642\u4efb\u52d9\u3002\u7121\u8ad6\u662f\u4f7f\u7528Sorted Set\u4f86\u5b58\u5132\u4efb\u52d9\uff0c\u9084\u662f\u7d50\u5408Pub\/Sub\u529f\u80fd\u9032\u884c\u6d88\u606f\u50b3\u905e\uff0cRedis\u90fd\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u5834\u666f\u4e0b\u7684\u9700\u6c42\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u548c\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u5b9a\u6642\u4efb\u52d9\uff0c\u900f\u904e\u89f8\u767c\u6a5f\u5236\u9ad8\u6548\u7ba1\u7406\u4efb\u52d9\u8abf\u5ea6\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\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-197524","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197524","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=197524"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197524\/revisions"}],"predecessor-version":[{"id":197525,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197524\/revisions\/197525"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}