{"id":161305,"date":"2024-11-04T05:19:26","date_gmt":"2024-11-03T21:19:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161305\/"},"modified":"2024-11-04T05:19:27","modified_gmt":"2024-11-03T21:19:27","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e9%9a%8a%e5%88%97%e5%af%a6%e7%8f%be%e6%8a%80%e8%a1%93%e7%a0%94%e7%a9%b6%ef%bc%88redis-%e9%9a%8a%e5%88%97%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e5%bc%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161305\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u968a\u5217\u5be6\u73fe\u6280\u8853\u7814\u7a76\uff08redis \u968a\u5217\u7684\u5be6\u73fe\u65b9\u5f0f\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e9%9a%8a%e5%88%97%e5%af%a6%e7%8f%be%e6%8a%80%e8%a1%93%e7%a0%94%e7%a9%b6-zWNUuRdUOg\">\u57fa\u65bc Redis \u7684\u968a\u5217\u5be6\u73fe\u6280\u8853\u7814\u7a76<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u968a\u5217\u662f\u4e00\u500b\u91cd\u8981\u7684\u7d44\u4ef6\uff0c\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u7570\u6b65\u4efb\u52d9\u548c\u6d88\u606f\u50b3\u905e\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u5217\u8868\uff08List\uff09\u548c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u7279\u5225\u9069\u5408\u7528\u65bc\u5be6\u73fe\u968a\u5217\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u968a\u5217\u5be6\u73fe\u65b9\u5f0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e9%9a%8a%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zWNUuRdUOg\">Redis \u968a\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u968a\u5217\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5217\u8868\uff08List\uff09\u6578\u64da\u7d50\u69cb\u3002\u5217\u8868\u662f\u4e00\u500b\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u5f9e\u5169\u7aef\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5217\u8868\u975e\u5e38\u9069\u5408\u7528\u4f5c\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u968a\u5217\u3002\u4f7f\u7528 Redis \u7684\u5217\u8868\u4f86\u5be6\u73fe\u968a\u5217\u7684\u57fa\u672c\u64cd\u4f5c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5165\u968a\uff08Push\uff09<\/strong>: \u5c07\u5143\u7d20\u6dfb\u52a0\u5230\u968a\u5217\u7684\u5c3e\u90e8\u3002<\/li>\n<li><strong>\u51fa\u968a\uff08Pop\uff09<\/strong>: \u5f9e\u968a\u5217\u7684\u982d\u90e8\u79fb\u9664\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e9%9a%8a%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-zWNUuRdUOg\">\u4f7f\u7528 Redis \u5be6\u73fe\u968a\u5217\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u5217\u8868\u5be6\u73fe\u968a\u5217\u7684\u57fa\u672c\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5165\u968a\u64cd\u4f5c\ndef enqueue(queue_name, item):\n    r.rpush(queue_name, item)\n\n# \u51fa\u968a\u64cd\u4f5c\ndef dequeue(queue_name):\n    return r.lpop(queue_name)\n\n# \u793a\u4f8b\nenqueue('my_queue', 'task1')\nenqueue('my_queue', 'task2')\nprint(dequeue('my_queue'))  # \u8f38\u51fa: task1\nprint(dequeue('my_queue'))  # \u8f38\u51fa: task2\n<\/code><\/pre>\n<h2 id=\"redis-%e9%9a%8a%e5%88%97%e7%9a%84%e5%84%aa%e5%8b%a2-zWNUuRdUOg\">Redis \u968a\u5217\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis \u5be6\u73fe\u968a\u5217\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd<\/strong>: Redis \u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u80fd\u5920\u63d0\u4f9b\u6975\u9ad8\u7684\u8b80\u5beb\u6027\u80fd\uff0c\u9069\u5408\u9ad8\u983b\u7387\u7684\u968a\u5217\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528<\/strong>: Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u5165\u968a\u548c\u51fa\u968a\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u652f\u6301<\/strong>: Redis \u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u968a\u5217\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e6%87%89%e7%94%a8%ef%bc%9a%e4%bd%bf%e7%94%a8%e6%9c%89%e5%ba%8f%e9%9b%86%e5%90%88%e5%af%a6%e7%8f%be%e5%84%aa%e5%85%88%e7%b4%9a%e9%9a%8a%e5%88%97-zWNUuRdUOg\">\u9032\u968e\u61c9\u7528\uff1a\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u5be6\u73fe\u512a\u5148\u7d1a\u968a\u5217<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684 FIFO \u968a\u5217\uff0cRedis \u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4e5f\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u512a\u5148\u7d1a\u968a\u5217\u3002\u5728\u512a\u5148\u7d1a\u968a\u5217\u4e2d\uff0c\u5143\u7d20\u6839\u64da\u5176\u512a\u5148\u7d1a\u9032\u884c\u6392\u5e8f\uff0c\u512a\u5148\u7d1a\u9ad8\u7684\u5143\u7d20\u6703\u5148\u88ab\u8655\u7406\u3002<\/p>\n<pre><code>def enqueue_priority(queue_name, item, priority):\n    r.zadd(queue_name, {item: priority})\n\ndef dequeue_priority(queue_name):\n    return r.zpopmin(queue_name)\n\n# \u793a\u4f8b\nenqueue_priority('priority_queue', 'task1', 1)\nenqueue_priority('priority_queue', 'task2', 2)\nprint(dequeue_priority('priority_queue'))  # \u8f38\u51fa: ('task1', 1)\nprint(dequeue_priority('priority_queue'))  # \u8f38\u51fa: ('task2', 2)\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-zWNUuRdUOg\">\u7d50\u8ad6<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u968a\u5217\u5be6\u73fe\u6280\u8853\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u3001\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u7121\u8ad6\u662f\u7c21\u55ae\u7684 FIFO \u968a\u5217\u9084\u662f\u8907\u96dc\u7684\u512a\u5148\u7d1a\u968a\u5217\uff0cRedis \u90fd\u80fd\u5920\u6eff\u8db3\u9700\u6c42\u3002\u96a8\u8457\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u767c\u5c55\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u5c0d\u958b\u767c\u8005\u7684\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u968a\u5217\u5be6\u73fe\u6280\u8853\uff0c\u6df1\u5165\u5206\u6790\u5176\u67b6\u69cb\u3001\u6027\u80fd\u512a\u52e2\u53ca\u61c9\u7528\u5834\u666f\uff0c\u52a9\u529b\u9ad8\u6548\u6578\u64da\u8655\u7406\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-161305","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161305","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=161305"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161305\/revisions"}],"predecessor-version":[{"id":161306,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161305\/revisions\/161306"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}