{"id":128807,"date":"2024-10-26T16:54:20","date_gmt":"2024-10-26T08:54:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128807\/"},"modified":"2024-10-26T16:54:21","modified_gmt":"2024-10-26T08:54:21","slug":"redis%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e4%b8%80%e5%80%8b%e5%af%a6%e8%b8%90%e6%a1%88%e4%be%8b%ef%bc%88redis%e7%a7%92%e6%ae%ba%e5%af%a6%e4%be%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128807\/","title":{"rendered":"Redis\u5be6\u73fe\u79d2\u6bba\u6280\u8853\u4e00\u500b\u5be6\u8e10\u6848\u4f8b\uff08redis\u79d2\u6bba\u5be6\u4f8b\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e4%b8%80%e5%80%8b%e5%af%a6%e8%b8%90%e6%a1%88%e4%be%8b%ef%bc%88redis%e7%a7%92%e6%ae%ba%e5%af%a6%e4%be%8b%ef%bc%89-mEeVItLlSQ\">Redis\u5be6\u73fe\u79d2\u6bba\u6280\u8853\u4e00\u500b\u5be6\u8e10\u6848\u4f8b\uff08redis\u79d2\u6bba\u5be6\u4f8b\uff09<\/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\u548c\u4fc3\u9032\u92b7\u552e\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u96a8\u8457\u53c3\u8207\u8005\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u6027\u80fd\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u5be6\u73fe\u79d2\u6bba\u6280\u8853\u7684\u7406\u60f3\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u79d2\u6bba\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u5177\u9ad4\u7684\u5be6\u8e10\u6848\u4f8b\u3002<\/p>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e6%8a%80%e8%a1%93%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-mEeVItLlSQ\">\u79d2\u6bba\u6280\u8853\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u79d2\u6bba\u6d3b\u52d5\u901a\u5e38\u6d89\u53ca\u5728\u77ed\u6642\u9593\u5167\u4ee5\u6975\u4f4e\u7684\u50f9\u683c\u92b7\u552e\u6709\u9650\u7684\u5546\u54c1\u3002\u9019\u7a2e\u6d3b\u52d5\u7684\u6210\u529f\u4f9d\u8cf4\u65bc\u7cfb\u7d71\u80fd\u5920\u5728\u6975\u9ad8\u7684\u4e26\u767c\u8acb\u6c42\u4e0b\u4fdd\u6301\u7a69\u5b9a\u3002\u79d2\u6bba\u6280\u8853\u7684\u57fa\u672c\u539f\u7406\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9650\u91cf\uff1a\u8a2d\u7f6e\u5546\u54c1\u7684\u5eab\u5b58\u6578\u91cf\uff0c\u78ba\u4fdd\u4e0d\u6703\u8d85\u8ce3\u3002<\/li>\n<li>\u9ad8\u4e26\u767c\u8655\u7406\uff1a\u80fd\u5920\u540c\u6642\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/li>\n<li>\u5feb\u901f\u97ff\u61c9\uff1a\u7528\u6236\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u671f\u671b\u80fd\u5920\u8fc5\u901f\u7372\u5f97\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%9c%a8%e7%a7%92%e6%ae%ba%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-mEeVItLlSQ\">Redis\u5728\u79d2\u6bba\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>Redis\u7684\u9ad8\u6027\u80fd\u548c\u6578\u64da\u7d50\u69cb\u4f7f\u5176\u6210\u70ba\u79d2\u6bba\u6d3b\u52d5\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662fRedis\u5728\u79d2\u6bba\u6280\u8853\u4e2d\u7684\u5e7e\u500b\u4e3b\u8981\u61c9\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u9650\u6d41\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u9650\u5236\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff0c\u9632\u6b62\u60e1\u610f\u5237\u55ae\u3002<\/li>\n<li><strong>\u5eab\u5b58\u7ba1\u7406\uff1a<\/strong>\u5229\u7528Redis\u7684\u539f\u5b50\u81ea\u589e\u64cd\u4f5c\u4f86\u7ba1\u7406\u5546\u54c1\u5eab\u5b58\uff0c\u78ba\u4fdd\u5eab\u5b58\u6578\u91cf\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<li><strong>\u968a\u5217\u7ba1\u7406\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u5217\u8868\u7d50\u69cb\u4f86\u7ba1\u7406\u8acb\u6c42\u968a\u5217\uff0c\u78ba\u4fdd\u8acb\u6c42\u7684\u6709\u5e8f\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e8%b8%90%e6%a1%88%e4%be%8b%ef%bc%9a%e7%a7%92%e6%ae%ba%e6%b4%bb%e5%8b%95%e7%9a%84%e5%af%a6%e7%8f%be-mEeVItLlSQ\">\u5be6\u8e10\u6848\u4f8b\uff1a\u79d2\u6bba\u6d3b\u52d5\u7684\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bcRedis\u7684\u79d2\u6bba\u6d3b\u52d5\u5be6\u73fe\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-mEeVItLlSQ\">1. \u74b0\u5883\u6e96\u5099<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86Redis\u4e26\u555f\u52d5\u670d\u52d9\u3002\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521d\u59cb\u5316\u5546\u54c1\u5eab\u5b58\uff1a<\/p>\n<pre><code>SET stock:product_id 100<\/code><\/pre>\n<h3 id=\"2-%e9%99%90%e6%b5%81%e8%a8%ad%e7%bd%ae-mEeVItLlSQ\">2. \u9650\u6d41\u8a2d\u7f6e<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u7528\u6236\u904e\u5ea6\u8acb\u6c42\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684<code>INCR<\/code>\u547d\u4ee4\u4f86\u9650\u5236\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff1a<\/p>\n<pre><code>if (redis.incr(\"user:request_count:\" + userId) &gt; 5) {\n    return \"\u8acb\u6c42\u6b21\u6578\u8d85\u904e\u9650\u5236\";\n}<\/code><\/pre>\n<h3 id=\"3-%e5%ba%ab%e5%ad%98%e6%89%a3%e6%b8%9b-mEeVItLlSQ\">3. \u5eab\u5b58\u6263\u6e1b<\/h3>\n<p>\u7576\u7528\u6236\u767c\u8d77\u79d2\u6bba\u8acb\u6c42\u6642\uff0c\u9996\u5148\u6aa2\u67e5\u5eab\u5b58\u662f\u5426\u8db3\u5920\uff1a<\/p>\n<pre><code>if (redis.decr(\"stock:product_id\") &gt;= 0) {\n    \/\/ \u6210\u529f\u6263\u6e1b\u5eab\u5b58\uff0c\u8655\u7406\u8a02\u55ae\n} else {\n    \/\/ \u5eab\u5b58\u4e0d\u8db3\uff0c\u8fd4\u56de\u932f\u8aa4\u4fe1\u606f\n}<\/code><\/pre>\n<h3 id=\"4-%e8%ab%8b%e6%b1%82%e9%9a%8a%e5%88%97%e7%ae%a1%e7%90%86-mEeVItLlSQ\">4. \u8acb\u6c42\u968a\u5217\u7ba1\u7406<\/h3>\n<p>\u4f7f\u7528Redis\u7684\u5217\u8868\u4f86\u7ba1\u7406\u8acb\u6c42\u968a\u5217\uff0c\u78ba\u4fdd\u8acb\u6c42\u7684\u6709\u5e8f\u8655\u7406\uff1a<\/p>\n<pre><code>redis.lpush(\"request_queue\", userId);<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u4f7f\u7528\u4e00\u500b\u7368\u7acb\u7684\u5de5\u4f5c\u9032\u7a0b\u4f86\u8655\u7406\u8acb\u6c42\u968a\u5217\u4e2d\u7684\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mEeVItLlSQ\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u7684\u5be6\u8e10\u6848\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230Redis\u5728\u79d2\u6bba\u6280\u8853\u4e2d\u7684\u5f37\u5927\u61c9\u7528\u3002\u5b83\u4e0d\u50c5\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u5eab\u5b58\uff0c\u9084\u80fd\u5920\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\uff0c\u78ba\u4fdd\u7528\u6236\u9ad4\u9a57\u3002\u96a8\u8457\u96fb\u5b50\u5546\u52d9\u7684\u767c\u5c55\uff0c\u79d2\u6bba\u6d3b\u52d5\u5c07\u6703\u8d8a\u4f86\u8d8a\u666e\u904d\uff0c\u638c\u63e1Redis\u7684\u4f7f\u7528\u5c07\u6210\u70ba\u958b\u767c\u8005\u7684\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528<a href=\"https:\/\/server.hk\">VPS<\/a>\u4f86\u90e8\u7f72Redis\u6709\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5be6\u73fe\u79d2\u6bba\u6280\u8853\u7684\u5be6\u8e10\u6848\u4f8b\uff0c\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u8655\u7406\u9ad8\u4e26\u767c\u8a02\u55ae\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-128807","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128807","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=128807"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128807\/revisions"}],"predecessor-version":[{"id":128808,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128807\/revisions\/128808"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}