{"id":166959,"date":"2024-11-05T21:11:25","date_gmt":"2024-11-05T13:11:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166959\/"},"modified":"2024-11-05T21:11:26","modified_gmt":"2024-11-05T13:11:26","slug":"%e7%ab%8b%e5%88%bb%e7%a7%92%e6%ae%ba%e8%a7%a3%e6%b1%baredis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%e5%95%8f%e9%a1%8c%ef%bc%88%e7%a7%92%e6%ae%baredis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166959\/","title":{"rendered":"\u7acb\u523b\u79d2\u6bba\u89e3\u6c7aRedis\u5ef6\u9072\u968a\u5217\u554f\u984c\uff08\u79d2\u6bbaredis\u5ef6\u9072\u968a\u5217\uff09"},"content":{"rendered":"<h1 id=\"%e7%ab%8b%e5%88%bb%e7%a7%92%e6%ae%ba%e8%a7%a3%e6%b1%baredis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%e5%95%8f%e9%a1%8c%ef%bc%88%e7%a7%92%e6%ae%baredis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%89-UREiKvUymC\">\u7acb\u523b\u79d2\u6bba\u89e3\u6c7aRedis\u5ef6\u9072\u968a\u5217\u554f\u984c\uff08\u79d2\u6bbaredis\u5ef6\u9072\u968a\u5217\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u7576\u6d89\u53ca\u5230\u5ef6\u9072\u968a\u5217\u7684\u5be6\u73fe\u6642\uff0c\u958b\u767c\u8005\u5e38\u5e38\u6703\u9762\u81e8\u4e00\u4e9b\u6311\u6230\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u89e3\u6c7aRedis\u5ef6\u9072\u968a\u5217\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%ef%bc%9f-UREiKvUymC\">\u4ec0\u9ebc\u662fRedis\u5ef6\u9072\u968a\u5217\uff1f<\/h2>\n<p>Redis\u5ef6\u9072\u968a\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6d88\u606f\u968a\u5217\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\u8655\u7406\u6d88\u606f\u3002\u9019\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5b9a\u6642\u4efb\u52d9\u3001\u5ef6\u9072\u901a\u77e5\u7b49\u3002\u57fa\u672c\u4e0a\uff0c\u5ef6\u9072\u968a\u5217\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c07\u6d88\u606f\u5b58\u5132\u5728Redis\u4e2d\uff0c\u4e26\u5728\u6307\u5b9a\u7684\u5ef6\u9072\u6642\u9593\u5f8c\u5c07\u5176\u79fb\u52d5\u5230\u53ef\u8655\u7406\u7684\u968a\u5217\u4e2d\u3002<\/p>\n<h2 id=\"redis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f-UREiKvUymC\">Redis\u5ef6\u9072\u968a\u5217\u7684\u5be6\u73fe\u65b9\u5f0f<\/h2>\n<p>\u5be6\u73feRedis\u5ef6\u9072\u968a\u5217\u7684\u5e38\u898b\u65b9\u6cd5\u662f\u4f7f\u7528Sorted Set\uff08\u6709\u5e8f\u96c6\u5408\uff09\u3002\u6bcf\u500b\u6d88\u606f\u7684\u5206\u6578\u53ef\u4ee5\u8a2d\u7f6e\u70ba\u7576\u524d\u6642\u9593\u52a0\u4e0a\u5ef6\u9072\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6d88\u606f\u5728\u5230\u9054\u6307\u5b9a\u6642\u9593\u5f8c\u88ab\u8655\u7406\u3002<\/p>\n<pre><code>redis.zadd(\"delay_queue\", timestamp + delay, message);\n<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5b9a\u671f\u6aa2\u67e5\u9019\u500b\u6709\u5e8f\u96c6\u5408\uff0c\u4e26\u5c07\u5230\u671f\u7684\u6d88\u606f\u79fb\u52d5\u5230\u53e6\u4e00\u500b\u968a\u5217\u4e2d\u9032\u884c\u8655\u7406\u3002<\/p>\n<pre><code>while (true) {\n    long now = System.currentTimeMillis();\n    Set messages = redis.zrangeByScore(\"delay_queue\", 0, now);\n    for (String message : messages) {\n        \/\/ \u5c07\u6d88\u606f\u79fb\u52d5\u5230\u53ef\u8655\u7406\u7684\u968a\u5217\n        redis.lpush(\"process_queue\", message);\n        \/\/ \u522a\u9664\u5df2\u8655\u7406\u7684\u6d88\u606f\n        redis.zrem(\"delay_queue\", message);\n    }\n    Thread.sleep(1000); \/\/ \u6bcf\u79d2\u6aa2\u67e5\u4e00\u6b21\n}\n<\/code><\/pre>\n<h2 id=\"redis%e5%bb%b6%e9%81%b2%e9%9a%8a%e5%88%97%e7%9a%84%e6%8c%91%e6%88%b0-UREiKvUymC\">Redis\u5ef6\u9072\u968a\u5217\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1Redis\u5ef6\u9072\u968a\u5217\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u4ecd\u7136\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u7576\u6d88\u606f\u91cf\u5927\u6642\uff0c\u6aa2\u67e5\u548c\u79fb\u52d5\u6d88\u606f\u7684\u904e\u7a0b\u53ef\u80fd\u6703\u6210\u70ba\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u6d88\u606f\u4e1f\u5931\uff1a<\/strong>\u5982\u679c\u5728\u8655\u7406\u904e\u7a0b\u4e2d\u51fa\u73fe\u6545\u969c\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6d88\u606f\u4e1f\u5931\u3002<\/li>\n<li><strong>\u5ef6\u9072\u4e0d\u6e96\u78ba\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u6d88\u606f\u7684\u8655\u7406\u6642\u9593\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u5c0e\u81f4\u5ef6\u9072\u4e0d\u6e96\u78ba\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-UREiKvUymC\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redis%e7%9a%84pub-sub%e5%8a%9f%e8%83%bd-UREiKvUymC\">1. \u4f7f\u7528Redis\u7684Pub\/Sub\u529f\u80fd<\/h3>\n<p>\u5229\u7528Redis\u7684Pub\/Sub\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6d88\u606f\u5230\u671f\u6642\u7acb\u5373\u901a\u77e5\u6d88\u8cbb\u8005\uff0c\u5f9e\u800c\u6e1b\u5c11\u5ef6\u9072\u3002<\/p>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e6%aa%a2%e6%9f%a5%e9%a0%bb%e7%8e%87-UREiKvUymC\">2. \u589e\u52a0\u6aa2\u67e5\u983b\u7387<\/h3>\n<p>\u901a\u904e\u589e\u52a0\u6aa2\u67e5\u5ef6\u9072\u968a\u5217\u7684\u983b\u7387\uff0c\u53ef\u4ee5\u66f4\u5feb\u5730\u8655\u7406\u5230\u671f\u7684\u6d88\u606f\uff0c\u5f9e\u800c\u6e1b\u5c11\u5ef6\u9072\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1-UREiKvUymC\">3. \u4f7f\u7528\u5206\u4f48\u5f0f\u7cfb\u7d71<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u4f48\u5f0f\u7cfb\u7d71\u4f86\u8655\u7406\u6d88\u606f\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6563\u8ca0\u8f09\u3002<\/p>\n<h3 id=\"4-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e8%b6%85%e6%99%82%e6%a9%9f%e5%88%b6-UREiKvUymC\">4. \u8a2d\u7f6e\u5408\u7406\u7684\u8d85\u6642\u6a5f\u5236<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u6d88\u606f\u9577\u6642\u9593\u6eef\u7559\u5728\u968a\u5217\u4e2d\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u5408\u7406\u7684\u8d85\u6642\u6a5f\u5236\uff0c\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UREiKvUymC\">\u7e3d\u7d50<\/h2>\n<p>Redis\u5ef6\u9072\u968a\u5217\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u9700\u8981\u8b39\u614e\u8655\u7406\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u5ef6\u9072\u968a\u5217\u7684\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684Redis\u670d\u52d9\u5668\uff0c\u4eab\u53d7\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7acb\u5373\u89e3\u6c7aRedis\u5ef6\u9072\u968a\u5217\u554f\u984c\uff0c\u63d0\u5347\u79d2\u6bba\u6548\u7387\uff0c\u78ba\u4fdd\u9ad8\u6548\u8655\u7406\u8207\u5373\u6642\u97ff\u61c9\uff0c\u8b93\u60a8\u7684\u696d\u52d9\u904b\u884c\u66f4\u6d41\u66a2\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-166959","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166959","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=166959"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166959\/revisions"}],"predecessor-version":[{"id":166960,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166959\/revisions\/166960"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}