{"id":169051,"date":"2024-11-06T18:27:35","date_gmt":"2024-11-06T10:27:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169051\/"},"modified":"2024-11-06T18:27:36","modified_gmt":"2024-11-06T10:27:36","slug":"%e7%a7%92%e6%ae%ba%e5%a0%b4%e6%99%af%e5%af%a6%e7%8f%be%e5%88%a9%e7%94%a8redis%e9%80%b2%e8%a1%8c%e9%ab%98%e6%95%88%e6%8e%92%e9%9a%8a%ef%bc%88redis%e7%a7%92%e6%ae%ba%e5%a0%b4%e6%99%af%e5%af%a6%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169051\/","title":{"rendered":"\u79d2\u6bba\u5834\u666f\u5be6\u73fe\u5229\u7528Redis\u9032\u884c\u9ad8\u6548\u6392\u968a\uff08redis\u79d2\u6bba\u5834\u666f\u5be6\u73fe\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%92%e6%ae%ba%e5%a0%b4%e6%99%af%e5%af%a6%e7%8f%be%e5%88%a9%e7%94%a8redis%e9%80%b2%e8%a1%8c%e9%ab%98%e6%95%88%e6%8e%92%e9%9a%8a-xAsWEPxRbj\">\u79d2\u6bba\u5834\u666f\u5be6\u73fe\u5229\u7528Redis\u9032\u884c\u9ad8\u6548\u6392\u968a<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9019\u985e\u6d3b\u52d5\u901a\u5e38\u6703\u5728\u77ed\u6642\u9593\u5167\u63d0\u4f9b\u9650\u91cf\u5546\u54c1\uff0c\u5438\u5f15\u5927\u91cf\u7528\u6236\u540c\u6642\u6436\u8cfc\u3002\u7136\u800c\uff0c\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u8acb\u6c42\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5be6\u73fe\u9ad8\u6548\u7684\u6392\u968a\u6a5f\u5236\uff0c\u5f9e\u800c\u61c9\u5c0d\u79d2\u6bba\u5834\u666f\u4e2d\u7684\u9ad8\u4e26\u767c\u8acb\u6c42\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7-xAsWEPxRbj\">Redis\u7684\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\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\u5176\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u907f\u514d\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u652f\u6301\u9ad8\u4e26\u767c\uff1a<\/strong>\u80fd\u5920\u8f15\u9b06\u8655\u7406\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\uff0c\u9069\u5408\u7528\u65bc\u79d2\u6bba\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e5%a0%b4%e6%99%af%e7%9a%84%e9%9c%80%e6%b1%82-xAsWEPxRbj\">\u79d2\u6bba\u5834\u666f\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u901a\u5e38\u6703\u9762\u81e8\u4ee5\u4e0b\u5e7e\u500b\u9700\u6c42\uff1a<\/p>\n<ul>\n<li>\u9ad8\u4e26\u767c\u8acb\u6c42\u7684\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li>\u5c0d\u5eab\u5b58\u7684\u6e96\u78ba\u7ba1\u7406\uff0c\u907f\u514d\u8d85\u8ce3\u3002<\/li>\n<li>\u7528\u6236\u6392\u968a\u6a5f\u5236\uff0c\u78ba\u4fdd\u516c\u5e73\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%8e%92%e9%9a%8a-xAsWEPxRbj\">\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u6392\u968a<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u9ad8\u6548\u7684\u6392\u968a\u6a5f\u5236\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528Redis\u7684\u5217\u8868\u548c\u539f\u5b50\u64cd\u4f5c\u4f86\u7ba1\u7406\u7528\u6236\u8acb\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e5%95%86%e5%93%81%e5%ba%ab%e5%ad%98-xAsWEPxRbj\">1. \u8a2d\u7f6e\u5546\u54c1\u5eab\u5b58<\/h3>\n<pre><code>SET stock 100<\/code><\/pre>\n<p>\u9019\u88e1\u6211\u5011\u5047\u8a2d\u6709100\u4ef6\u5546\u54c1\u53ef\u4f9b\u79d2\u6bba\u3002<\/p>\n<h3 id=\"2-%e7%94%a8%e6%88%b6%e8%ab%8b%e6%b1%82%e6%8e%92%e9%9a%8a-xAsWEPxRbj\">2. \u7528\u6236\u8acb\u6c42\u6392\u968a<\/h3>\n<p>\u7576\u7528\u6236\u767c\u8d77\u8acb\u6c42\u6642\uff0c\u6211\u5011\u5c07\u5176\u52a0\u5165\u5230\u4e00\u500bRedis\u5217\u8868\u4e2d\uff0c\u4e26\u8fd4\u56de\u6392\u968a\u865f\u78bc\u3002<\/p>\n<pre><code>LPUSH queue user_id<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6bcf\u7576\u7528\u6236\u8acb\u6c42\u6642\uff0c\u6211\u5011\u90fd\u5c07\u5176ID\u63a8\u5165\u968a\u5217\u4e2d\u3002<\/p>\n<h3 id=\"3-%e8%99%95%e7%90%86%e8%ab%8b%e6%b1%82-xAsWEPxRbj\">3. \u8655\u7406\u8acb\u6c42<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u4e00\u500b\u5f8c\u53f0\u9032\u7a0b\u4f86\u8655\u7406\u9019\u4e9b\u8acb\u6c42\u3002\u9019\u500b\u9032\u7a0b\u6703\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u7528\u6236ID\uff0c\u4e26\u6aa2\u67e5\u5eab\u5b58\u3002<\/p>\n<pre><code>\nwhile (true) {\n    user_id = RPOP queue\n    if (user_id) {\n        stock = GET stock\n        if (stock &gt; 0) {\n            \/\/ \u8655\u7406\u8a02\u55ae\n            DECR stock\n            \/\/ \u901a\u77e5\u7528\u6236\u6210\u529f\n        } else {\n            \/\/ \u901a\u77e5\u7528\u6236\u5931\u6557\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u7528\u6236\u8acb\u6c42\uff0c\u4e26\u6839\u64da\u5eab\u5b58\u60c5\u6cc1\u9032\u884c\u8655\u7406\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e5%bb%ba%e8%ad%b0-xAsWEPxRbj\">\u512a\u5316\u5efa\u8b70<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9084\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u512a\u5316\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528Redis\u7684\u8a02\u95b1\/\u767c\u5e03\u529f\u80fd\u4f86\u901a\u77e5\u7528\u6236\u79d2\u6bba\u7d50\u679c\u3002<\/li>\n<li>\u8a2d\u7f6e\u5408\u7406\u7684\u8acb\u6c42\u983b\u7387\u9650\u5236\uff0c\u907f\u514d\u904e\u591a\u8acb\u6c42\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528Redis\u96c6\u7fa4\u4f86\u63d0\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xAsWEPxRbj\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u6392\u968a\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u61c9\u5c0d\u79d2\u6bba\u5834\u666f\u4e2d\u7684\u9ad8\u4e26\u767c\u8acb\u6c42\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u512a\u5316\uff0c\u6211\u5011\u80fd\u5920\u78ba\u4fdd\u7528\u6236\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u516c\u5e73\u6027\u548c\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u95dc\u9375\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u5f37\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9ad8\u6548\u7684\u79d2\u6bba\u5834\u666f\uff0c\u512a\u5316\u6392\u968a\u7cfb\u7d71\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u8207\u4ea4\u6613\u6548\u7387\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-169051","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169051","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=169051"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169051\/revisions"}],"predecessor-version":[{"id":169052,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169051\/revisions\/169052"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}