{"id":169255,"date":"2024-11-06T18:38:19","date_gmt":"2024-11-06T10:38:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169255\/"},"modified":"2024-11-06T18:38:20","modified_gmt":"2024-11-06T10:38:20","slug":"%e7%a7%92%e6%ae%ba%e9%9d%a2%e8%a9%a6redis%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%ef%bc%88redis%e7%a7%92%e6%ae%ba%e9%9d%a2%e8%a9%a6%e7%9b%b8%e9%97%9c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169255\/","title":{"rendered":"\u79d2\u6bba\u9762\u8a66Redis\u5982\u4f55\u4f7f\u7528\uff08redis\u79d2\u6bba\u9762\u8a66\u76f8\u95dc\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%92%e6%ae%ba%e9%9d%a2%e8%a9%a6redis%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%ef%bc%88redis%e7%a7%92%e6%ae%ba%e9%9d%a2%e8%a9%a6%e7%9b%b8%e9%97%9c%ef%bc%89-xBjUxPSUmr\">\u79d2\u6bba\u9762\u8a66Redis\u5982\u4f55\u4f7f\u7528\uff08redis\u79d2\u6bba\u9762\u8a66\u76f8\u95dc\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6280\u8853\u9762\u8a66\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u7d93\u5e38\u6210\u70ba\u8003\u5bdf\u5019\u9078\u4eba\u6280\u8853\u80fd\u529b\u7684\u91cd\u8981\u5de5\u5177\u3002\u7279\u5225\u662f\u5728\u6d89\u53ca\u79d2\u6bba\u6d3b\u52d5\u7684\u5834\u666f\u4e2d\uff0cRedis\u7684\u4f7f\u7528\u66f4\u662f\u4e0d\u53ef\u6216\u7f3a\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a7%92%e6%ae%ba%e6%b4%bb%e5%8b%95%ef%bc%9f-xBjUxPSUmr\">\u4ec0\u9ebc\u662f\u79d2\u6bba\u6d3b\u52d5\uff1f<\/h2>\n<p>\u79d2\u6bba\u6d3b\u52d5\u662f\u4e00\u7a2e\u4fc3\u92b7\u624b\u6bb5\uff0c\u901a\u5e38\u5728\u7279\u5b9a\u6642\u9593\u5167\u4ee5\u6975\u4f4e\u7684\u50f9\u683c\u51fa\u552e\u6709\u9650\u7684\u5546\u54c1\u3002\u7531\u65bc\u53c3\u8207\u8005\u773e\u591a\uff0c\u79d2\u6bba\u6d3b\u52d5\u5f80\u5f80\u6703\u5c0e\u81f4\u7cfb\u7d71\u7684\u9ad8\u4e26\u767c\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u5f8c\u7aef\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u63d0\u51fa\u4e86\u6311\u6230\u3002\u56e0\u6b64\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u4f86\u8655\u7406\u9019\u4e9b\u8acb\u6c42\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e9%bb%9e-xBjUxPSUmr\">Redis\u7684\u7279\u9ede<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u901f\u5ea6\u8655\u7406\u6578\u64da\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u7684\u5834\u666f\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\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%9c%a8%e7%a7%92%e6%ae%ba%e6%b4%bb%e5%8b%95%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-xBjUxPSUmr\">Redis\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0cRedis\u4e3b\u8981\u7528\u65bc\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5eab\u5b58\u7ba1\u7406\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u7ba1\u7406\u5546\u54c1\u5eab\u5b58\uff0c\u78ba\u4fdd\u5eab\u5b58\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u9650\u6d41\u63a7\u5236\uff1a<\/strong>\u901a\u904eRedis\u7684\u8a08\u6578\u5668\u529f\u80fd\u4f86\u9650\u5236\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff0c\u9632\u6b62\u60e1\u610f\u5237\u55ae\u3002<\/li>\n<li><strong>\u968a\u5217\u7ba1\u7406\uff1a<\/strong>\u5229\u7528Redis\u7684\u5217\u8868\u7d50\u69cb\u4f86\u5be6\u73fe\u8acb\u6c42\u7684\u6392\u968a\u8655\u7406\uff0c\u907f\u514d\u7cfb\u7d71\u904e\u8f09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%e5%8a%9f%e8%83%bd%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-xBjUxPSUmr\">\u5be6\u73fe\u79d2\u6bba\u529f\u80fd\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u79d2\u6bba\u529f\u80fd\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%88%9d%e5%a7%8b%e5%8c%96%e5%ba%ab%e5%ad%98-xBjUxPSUmr\">1. \u521d\u59cb\u5316\u5eab\u5b58<\/h3>\n<pre><code>SET stock 100<\/code><\/pre>\n<p>\u9019\u884c\u4ee3\u78bc\u5c07\u5eab\u5b58\u521d\u59cb\u5316\u70ba100\u3002<\/p>\n<h3 id=\"2-%e8%99%95%e7%90%86%e7%a7%92%e6%ae%ba%e8%ab%8b%e6%b1%82-xBjUxPSUmr\">2. \u8655\u7406\u79d2\u6bba\u8acb\u6c42<\/h3>\n<p>\u7576\u7528\u6236\u767c\u8d77\u79d2\u6bba\u8acb\u6c42\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6aa2\u67e5\u5eab\u5b58\u4e26\u6e1b\u5c11\u5eab\u5b58\uff1a<\/p>\n<pre><code>\nif (DECR stock &gt;= 0) {\n    \/\/ \u6210\u529f\u6436\u5230\u5546\u54c1\n} else {\n    \/\/ \u5eab\u5b58\u4e0d\u8db3\n}\n<\/code><\/pre>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e6%8e%a7%e5%88%b6-xBjUxPSUmr\">3. \u9650\u6d41\u63a7\u5236<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u8a08\u6578\u5668\u4f86\u9650\u5236\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff1a<\/p>\n<pre><code>\nif (INCR user_request_count &gt; 5) {\n    \/\/ \u8d85\u904e\u8acb\u6c42\u9650\u5236\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-xBjUxPSUmr\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9032\u884c\u79d2\u6bba\u6d3b\u52d5\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fddRedis\u7684\u9ad8\u53ef\u7528\u6027\uff0c\u907f\u514d\u56e0\u55ae\u9ede\u6545\u969c\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\uff0c\u907f\u514d\u56e0\u6578\u64da\u91cf\u904e\u5927\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li>\u8003\u616e\u6578\u64da\u7684\u6301\u4e45\u5316\u7b56\u7565\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xBjUxPSUmr\">\u7e3d\u7d50<\/h2>\n<p>Redis\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u7684\u61c9\u7528\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u5eab\u5b58\u548c\u8acb\u6c42\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u78ba\u4fdd\u79d2\u6bba\u6d3b\u52d5\u7684\u9806\u5229\u9032\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u79d2\u6bba\u9762\u8a66\u4e2dRedis\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u638c\u63e1\u9ad8\u6548\u6578\u64da\u8655\u7406\u8207\u6027\u80fd\u512a\u5316\uff0c\u63d0\u5347\u9762\u8a66\u7af6\u722d\u529b\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-169255","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169255","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=169255"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169255\/revisions"}],"predecessor-version":[{"id":169256,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169255\/revisions\/169256"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}