{"id":161501,"date":"2024-11-04T06:57:24","date_gmt":"2024-11-03T22:57:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161501\/"},"modified":"2024-11-04T06:57:24","modified_gmt":"2024-11-03T22:57:24","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e6%b6%88%e6%81%af%e6%8c%81%e4%b9%85%e5%8c%96%e5%ae%9a%e6%99%82%e8%a8%ad%e7%bd%ae%ef%bc%88redis-%e6%b6%88%e6%81%af%e8%a8%ad%e7%bd%ae%e6%99%82%e9%96%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161501\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u6d88\u606f\u6301\u4e45\u5316\u5b9a\u6642\u8a2d\u7f6e\uff08redis \u6d88\u606f\u8a2d\u7f6e\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e6%b6%88%e6%81%af%e6%8c%81%e4%b9%85%e5%8c%96%e5%ae%9a%e6%99%82%e8%a8%ad%e7%bd%ae%ef%bc%88redis-%e6%b6%88%e6%81%af%e8%a8%ad%e7%bd%ae%e6%99%82%e9%96%93%ef%bc%89-MODeZjjfvA\">\u57fa\u65bc Redis \u7684\u6d88\u606f\u6301\u4e45\u5316\u5b9a\u6642\u8a2d\u7f6e\uff08redis \u6d88\u606f\u8a2d\u7f6e\u6642\u9593\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6d88\u606f\u968a\u5217\u7cfb\u7d71\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4e0d\u50c5\u652f\u6301\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\uff0c\u9084\u63d0\u4f9b\u4e86\u6d88\u606f\u968a\u5217\u7684\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bc Redis \u5be6\u73fe\u6d88\u606f\u7684\u6301\u4e45\u5316\u548c\u5b9a\u6642\u8a2d\u7f6e\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u548c\u8655\u7406\u6d88\u606f\u3002<\/p>\n<h2 id=\"redis-%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97%e6%a6%82%e8%bf%b0-MODeZjjfvA\">Redis \u6d88\u606f\u968a\u5217\u6982\u8ff0<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u5217\u8868\uff08List\uff09\u548c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u662f\u5be6\u73fe\u6d88\u606f\u968a\u5217\u7684\u5e38\u7528\u9078\u64c7\u3002\u4f7f\u7528\u9019\u4e9b\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6d88\u606f\u63a8\u9001\u5230\u968a\u5217\u4e2d\uff0c\u4e26\u5728\u9700\u8981\u6642\u9032\u884c\u6d88\u8cbb\u3002<\/p>\n<h3 id=\"%e6%b6%88%e6%81%af%e6%8c%81%e4%b9%85%e5%8c%96%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-MODeZjjfvA\">\u6d88\u606f\u6301\u4e45\u5316\u7684\u5fc5\u8981\u6027<\/h3>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u6d88\u606f\u7684\u6301\u4e45\u5316\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u91cd\u555f\u7684\u60c5\u6cc1\u4e0b\uff0c\u6d88\u606f\u4e5f\u4e0d\u6703\u4e1f\u5931\u3002Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u6301\u4e45\u5316\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>RDB\uff08\u5feb\u7167\uff09<\/strong>\uff1a\u5b9a\u671f\u5c07\u6578\u64da\u5feb\u7167\u4fdd\u5b58\u5230\u78c1\u789f\u4e2d\u3002<\/li>\n<li><strong>AOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09<\/strong>\uff1a\u5c07\u6bcf\u6b21\u5beb\u64cd\u4f5c\u8ffd\u52a0\u5230\u4e00\u500b\u6587\u4ef6\u4e2d\uff0c\u5be6\u73fe\u66f4\u9ad8\u7684\u6578\u64da\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<p>\u6839\u64da\u61c9\u7528\u9700\u6c42\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\uff0c\u6216\u8005\u540c\u6642\u4f7f\u7528\u5169\u8005\u4ee5\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%99%82%e8%a8%ad%e7%bd%ae%e6%b6%88%e6%81%af%e7%9a%84%e5%af%a6%e7%8f%be-MODeZjjfvA\">\u5b9a\u6642\u8a2d\u7f6e\u6d88\u606f\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u5728\u7279\u5b9a\u6642\u9593\u767c\u9001\u6d88\u606f\u3002\u9019\u53ef\u4ee5\u901a\u904e Redis \u7684\u6709\u5e8f\u96c6\u5408\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u5b9a\u6642\u6d88\u606f\u767c\u9001\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%b0%87%e6%b6%88%e6%81%af%e6%b7%bb%e5%8a%a0%e5%88%b0%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88-MODeZjjfvA\">\u6b65\u9a5f\u4e00\uff1a\u5c07\u6d88\u606f\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408<\/h3>\n<p>\u9996\u5148\uff0c\u958b\u767c\u8005\u9700\u8981\u5c07\u6d88\u606f\u53ca\u5176\u767c\u9001\u6642\u9593\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ZADD message_queue timestamp message<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>timestamp<\/code> \u662f\u6d88\u606f\u7684\u9810\u5b9a\u767c\u9001\u6642\u9593\uff0c<code>message<\/code> \u662f\u8981\u767c\u9001\u7684\u6d88\u606f\u5167\u5bb9\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-MODeZjjfvA\">\u6b65\u9a5f\u4e8c\uff1a\u5b9a\u671f\u6aa2\u67e5\u4e26\u767c\u9001\u6d88\u606f<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u958b\u767c\u8005\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\u6d88\u8cbb\u8005\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7372\u53d6\u9700\u8981\u767c\u9001\u7684\u6d88\u606f\uff1a<\/p>\n<pre><code>ZRANGEBYSCORE message_queue -inf current_time<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u5728\u7576\u524d\u6642\u9593\u4e4b\u524d\u7684\u6d88\u606f\u3002\u767c\u9001\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5c07\u9019\u4e9b\u6d88\u606f\u5f9e\u6709\u5e8f\u96c6\u5408\u4e2d\u522a\u9664\uff1a<\/p>\n<pre><code>ZREMRANGEBYSCORE message_queue -inf current_time<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-MODeZjjfvA\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u5b9a\u6642\u6d88\u606f\u767c\u9001\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6dfb\u52a0\u6d88\u606f\u5230\u6709\u5e8f\u96c6\u5408\nr.zadd('message_queue', {'Hello, World!': time.time() + 10})  # 10\u79d2\u5f8c\u767c\u9001\n\nwhile True:\n    current_time = time.time()\n    messages = r.zrangebyscore('message_queue', 0, current_time)\n    \n    for message in messages:\n        print(f'Sending message: {message.decode(\"utf-8\")}')\n        r.zrem('message_queue', message)  # \u522a\u9664\u5df2\u767c\u9001\u7684\u6d88\u606f\n    \n    time.sleep(1)  # \u6bcf\u79d2\u6aa2\u67e5\u4e00\u6b21\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-MODeZjjfvA\">\u7d50\u8ad6<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u6d88\u606f\u6301\u4e45\u5316\u548c\u5b9a\u6642\u8a2d\u7f6e\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u5229\u7528 Redis \u7684\u6578\u64da\u7d50\u69cb\u548c\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u6d88\u606f\u7684\u53ef\u9760\u6027\u548c\u53ca\u6642\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5e8f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u6d88\u606f\u6301\u4e45\u5316\u5b9a\u6642\u8a2d\u7f6e\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6d88\u606f\u7684\u5b58\u5132\u6642\u9593\u548c\u904e\u671f\u7b56\u7565\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-161501","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161501","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=161501"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161501\/revisions"}],"predecessor-version":[{"id":161502,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161501\/revisions\/161502"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}