{"id":169331,"date":"2024-11-06T18:45:20","date_gmt":"2024-11-06T10:45:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169331\/"},"modified":"2024-11-06T18:45:20","modified_gmt":"2024-11-06T10:45:20","slug":"%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%ab%99%e6%9e%b6%e6%a7%8b%e8%a8%ad%e8%a8%88%e4%bb%a5redis%e7%82%ba%e6%a0%b8%e5%bf%83%ef%bc%88redis%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%b5%a1%e6%9e%b6%e6%a7%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169331\/","title":{"rendered":"\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u8a2d\u8a08\u4ee5Redis\u70ba\u6838\u5fc3\uff08redis\u79d2\u6bba\u7db2\u7d61\u67b6\u69cb\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%ab%99%e6%9e%b6%e6%a7%8b%e8%a8%ad%e8%a8%88%e4%bb%a5redis%e7%82%ba%e6%a0%b8%e5%bf%83%ef%bc%88redis%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%b5%a1%e6%9e%b6%e6%a7%8b%ef%bc%89-UQoxumPkem\">\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u8a2d\u8a08\u4ee5Redis\u70ba\u6838\u5fc3\uff08redis\u79d2\u6bba\u7db2\u7d61\u67b6\u69cb\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\u7528\u6236\u6578\u91cf\u7684\u6fc0\u589e\uff0c\u5982\u4f55\u8a2d\u8a08\u4e00\u500b\u9ad8\u6548\u4e14\u7a69\u5b9a\u7684\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u4f01\u696d\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4ee5Redis\u70ba\u6838\u5fc3\u7684\u79d2\u6bba\u7db2\u7d61\u67b6\u69cb\u8a2d\u8a08\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%ab%99%e6%9e%b6%e6%a7%8b%ef%bc%9f-UQoxumPkem\">\u4ec0\u9ebc\u662f\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\uff1f<\/h2>\n<p>\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u662f\u6307\u70ba\u4e86\u652f\u6301\u77ed\u6642\u9593\u5167\u5927\u91cf\u7528\u6236\u540c\u6642\u8a2a\u554f\u548c\u8cfc\u8cb7\u5546\u54c1\u800c\u8a2d\u8a08\u7684\u7cfb\u7d71\u67b6\u69cb\u3002\u9019\u985e\u7db2\u7ad9\u901a\u5e38\u5728\u7279\u5b9a\u6642\u9593\u5167\u63d0\u4f9b\u9650\u91cf\u5546\u54c1\uff0c\u4e26\u4e14\u9700\u8981\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u8acb\u6c42\u3002\u7531\u65bc\u79d2\u6bba\u6d3b\u52d5\u7684\u7279\u6027\uff0c\u7cfb\u7d71\u5fc5\u9808\u5177\u5099\u9ad8\u53ef\u7528\u6027\u3001\u9ad8\u6027\u80fd\u548c\u826f\u597d\u7684\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%84%aa%e5%8b%a2-UQoxumPkem\">Redis\u7684\u512a\u52e2<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\u800c\u5ee3\u6cdb\u61c9\u7528\u65bc\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u4e2d\u3002\u4ee5\u4e0b\u662fRedis\u5728\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u4e2d\u7684\u5e7e\u500b\u4e3b\u8981\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u6578\u64da\u64cd\u4f5c\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u8b80\u5beb\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u79d2\u6bba\u6d3b\u52d5\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u652f\u6301\u9ad8\u4f75\u767c\uff1a<\/strong>Redis\u80fd\u5920\u540c\u6642\u8655\u7406\u5927\u91cf\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u61c9\u5c0d\u79d2\u6bba\u6d3b\u52d5\u4e2d\u51fa\u73fe\u7684\u9ad8\u4f75\u767c\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u5d29\u6f70\u6642\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u7c21\u55ae\u660e\u77ad\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u4e26\u9032\u884c\u958b\u767c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e7%b6%b2%e7%ab%99%e6%9e%b6%e6%a7%8b%e8%a8%ad%e8%a8%88-UQoxumPkem\">\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08\u4ee5Redis\u70ba\u6838\u5fc3\u7684\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e7%b3%bb%e7%b5%b1%e6%9e%b6%e6%a7%8b-UQoxumPkem\">1. \u7cfb\u7d71\u67b6\u69cb<\/h3>\n<p>\u4e00\u500b\u5178\u578b\u7684\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u901a\u5e38\u5305\u62ec\u524d\u7aef\u61c9\u7528\u3001\u5f8c\u7aef\u670d\u52d9\u548c\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67b6\u69cb\u793a\u610f\u5716\uff1a<\/p>\n<pre>\n\u524d\u7aef\u61c9\u7528  \u8ca0\u8f09\u5747\u8861\u5668  \u5f8c\u7aef\u670d\u52d9  Redis  \u6578\u64da\u5eab\n<\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8redis%e4%bd%9c%e7%82%ba%e7%b7%a9%e5%ad%98-UQoxumPkem\">2. \u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58<\/h3>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u7576\u7528\u6236\u8acb\u6c42\u5546\u54c1\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u67e5\u8a62Redis\u7de9\u5b58\uff0c\u5982\u679c\u7de9\u5b58\u4e2d\u5b58\u5728\u8a72\u5546\u54c1\u7684\u6578\u64da\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u4e26\u5c07\u7d50\u679c\u5b58\u5165Redis\u4e2d\u3002<\/p>\n<p><code><br \/>\nif (redis.exists(productId)) {<br \/>\n    return redis.get(productId);<br \/>\n} else {<br \/>\n    product = database.query(productId);<br \/>\n    redis.set(productId, product);<br \/>\n    return product;<br \/>\n}<br \/>\n<\/code><\/p>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e8%88%87%e6%8e%92%e9%9a%8a-UQoxumPkem\">3. \u9650\u6d41\u8207\u6392\u968a<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u5be6\u73fe\u9650\u6d41\u548c\u6392\u968a\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u539f\u5b50\u81ea\u589e\u529f\u80fd\u4f86\u63a7\u5236\u540c\u4e00\u6642\u9593\u5167\u7684\u8acb\u6c42\u6578\u91cf\u3002<\/p>\n<p><code><br \/>\nif (redis.incr(\"request_count\") &lt;= MAX_REQUESTS) {<br \/>\n    \/\/ \u8655\u7406\u8acb\u6c42<br \/>\n} else {<br \/>\n    \/\/ \u62d2\u7d55\u8acb\u6c42<br \/>\n}<br \/>\n<\/code><\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-UQoxumPkem\">4. \u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u4e8b\u52d9\u529f\u80fd\u4f86\u78ba\u4fdd\u5728\u6e1b\u5c11\u5eab\u5b58\u548c\u8a18\u9304\u8a02\u55ae\u6642\u7684\u539f\u5b50\u6027\u3002<\/p>\n<p><code><br \/>\nredis.multi();<br \/>\nredis.decr(\"product_stock\");<br \/>\nredis.rpush(\"orders\", orderId);<br \/>\nredis.exec();<br \/>\n<\/code><\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-UQoxumPkem\">\u7d50\u8ad6<\/h2>\n<p>\u8a2d\u8a08\u4e00\u500b\u9ad8\u6548\u7684\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u9700\u8981\u8003\u616e\u591a\u65b9\u9762\u7684\u56e0\u7d20\uff0c\u800c\u4ee5Redis\u70ba\u6838\u5fc3\u7684\u67b6\u69cb\u8a2d\u8a08\u7121\u7591\u662f\u89e3\u6c7a\u9ad8\u4f75\u767c\u554f\u984c\u7684\u4e00\u500b\u6709\u6548\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u5229\u7528Redis\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u7684\u79d2\u6bba\u7cfb\u7d71\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u92b7\u552e\u696d\u7e3e\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4ee5Redis\u70ba\u6838\u5fc3\u7684\u79d2\u6bba\u7db2\u7ad9\u67b6\u69cb\u8a2d\u8a08\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u7684\u7db2\u7d61\u67b6\u69cb\uff0c\u63d0\u5347\u7528\u6236\u8cfc\u7269\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-169331","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169331","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=169331"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169331\/revisions"}],"predecessor-version":[{"id":169332,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169331\/revisions\/169332"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}