{"id":192262,"date":"2024-11-12T18:17:22","date_gmt":"2024-11-12T10:17:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192262\/"},"modified":"2024-11-12T18:17:23","modified_gmt":"2024-11-12T10:17:23","slug":"%e6%b6%88%e6%81%af%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%8c%89%e6%99%82%e9%96%93%e7%99%bc%e9%80%81%e6%b6%88%e6%81%af%ef%bc%88redis%e6%a0%b9%e6%93%9a%e6%99%82%e9%96%93%e7%99%bc%e9%80%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192262\/","title":{"rendered":"\u6d88\u606f\u5229\u7528Redis\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\uff08redis\u6839\u64da\u6642\u9593\u767c\u9001\uff09"},"content":{"rendered":"<h1 id=\"%e6%b6%88%e6%81%af%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%8c%89%e6%99%82%e9%96%93%e7%99%bc%e9%80%81%e6%b6%88%e6%81%af-LRMItmNmKY\">\u6d88\u606f\u5229\u7528Redis\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6d88\u606f\u7684\u5373\u6642\u6027\u548c\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4e0d\u50c5\u80fd\u5920\u5b58\u5132\u6578\u64da\uff0c\u9084\u80fd\u5920\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-LRMItmNmKY\">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\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e6%8c%89%e6%99%82%e9%96%93%e7%99%bc%e9%80%81%e6%b6%88%e6%81%af%e7%9a%84%e9%9c%80%e6%b1%82-LRMItmNmKY\">\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\u7684\u9700\u6c42\u975e\u5e38\u666e\u904d\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u53ef\u80fd\u9700\u8981\u5728\u7279\u5b9a\u6642\u9593\u5411\u7528\u6236\u767c\u9001\u901a\u77e5\uff0c\u6216\u8005\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u53ef\u80fd\u9700\u8981\u5728\u4fc3\u92b7\u6d3b\u52d5\u958b\u59cb\u524d\u5411\u7528\u6236\u767c\u9001\u63d0\u9192\u3002\u9019\u4e9b\u9700\u6c42\u4fc3\u4f7f\u958b\u767c\u8005\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u548c\u767c\u9001\u9019\u4e9b\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%8c%89%e6%99%82%e9%96%93%e7%99%bc%e9%80%81%e6%b6%88%e6%81%af-LRMItmNmKY\">\u5229\u7528Redis\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f<\/h2>\n<p>\u8981\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5229\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u6d88\u606f\u53ca\u5176\u767c\u9001\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e7%bd%ae%e6%b6%88%e6%81%af-LRMItmNmKY\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u7f6e\u6d88\u606f<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5c07\u6d88\u606f\u53ca\u5176\u767c\u9001\u6642\u9593\u5b58\u5132\u5230Redis\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\u3002\u6bcf\u689d\u6d88\u606f\u7684\u5206\u6578\uff08score\uff09\u53ef\u4ee5\u8a2d\u7f6e\u70ba\u767c\u9001\u7684\u6642\u9593\u6233\u3002<\/p>\n<pre><code>SET message:1 \"Hello, this is a scheduled message\"\nZADD scheduled_messages 1672531199 message:1<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u4e00\u689d\u6d88\u606f\u6dfb\u52a0\u5230\u540d\u70ba\u201cscheduled_messages\u201d\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4e26\u5c07\u5176\u767c\u9001\u6642\u9593\u8a2d\u7f6e\u70ba1672531199\uff08\u9019\u662fUnix\u6642\u9593\u6233\uff09\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%ae%9a%e6%9c%9f%e6%aa%a2%e6%9f%a5%e4%b8%a6%e7%99%bc%e9%80%81%e6%b6%88%e6%81%af-LRMItmNmKY\">\u6b65\u9a5f\u4e8c\uff1a\u5b9a\u671f\u6aa2\u67e5\u4e26\u767c\u9001\u6d88\u606f<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u6d88\u606f\uff0c\u4e26\u6839\u64da\u7576\u524d\u6642\u9593\u767c\u9001\u5230\u671f\u7684\u6d88\u606f\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4e00\u500b\u7c21\u55ae\u7684\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>while True:\n    current_time = int(time.time())\n    messages = redis.zrangebyscore(\"scheduled_messages\", 0, current_time)\n    \n    for message in messages:\n        # \u767c\u9001\u6d88\u606f\u7684\u908f\u8f2f\n        send_message(message)\n        redis.zrem(\"scheduled_messages\", message)\n    \n    time.sleep(60)  # \u6bcf\u5206\u9418\u6aa2\u67e5\u4e00\u6b21<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528`zrangebyscore`\u65b9\u6cd5\u4f86\u7372\u53d6\u6240\u6709\u5230\u671f\u7684\u6d88\u606f\uff0c\u7136\u5f8c\u9010\u4e00\u767c\u9001\u4e26\u5f9e\u6709\u5e8f\u96c6\u5408\u4e2d\u522a\u9664\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e8%88%87%e8%80%83%e6%85%ae%e4%ba%8b%e9%a0%85-LRMItmNmKY\">\u512a\u5316\u8207\u8003\u616e\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9084\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u767c\u9001\u6d88\u606f\u7684\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u9700\u8981\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u5982\u679c\u6d88\u606f\u91cf\u5f88\u5927\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u591a\u500b\u5de5\u4f5c\u9032\u7a0b\u4f86\u4e26\u884c\u8655\u7406\u6d88\u606f\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u6839\u64da\u9700\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u6d88\u606f\u6301\u4e45\u5316\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LRMItmNmKY\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u767c\u9001\u5b9a\u6642\u6d88\u606f\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6d88\u606f\u7684\u5373\u6642\u6027\uff0c\u9084\u80fd\u5920\u6e1b\u5c11\u7cfb\u7d71\u7684\u8ca0\u64d4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6d88\u606f\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/code>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u5be6\u73fe\u6309\u6642\u9593\u767c\u9001\u6d88\u606f\uff0c\u8f15\u9b06\u7ba1\u7406\u5b9a\u6642\u4efb\u52d9\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\uff0c\u78ba\u4fdd\u6d88\u606f\u6e96\u6642\u9001\u9054\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-192262","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192262","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=192262"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192262\/revisions"}],"predecessor-version":[{"id":192263,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192262\/revisions\/192263"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=192262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=192262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=192262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}