{"id":161671,"date":"2024-11-04T08:22:40","date_gmt":"2024-11-04T00:22:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161671\/"},"modified":"2024-11-04T08:22:40","modified_gmt":"2024-11-04T00:22:40","slug":"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161671\/","title":{"rendered":"\u57fa\u65bc Redis \u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6280\u8853\uff08redis \u7de9\u5b58\u591a\u8868\u5c0d\u8c61\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%ef%bc%89-wSpglhvZPe\">\u57fa\u65bc Redis \u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6280\u8853\uff08redis \u7de9\u5b58\u591a\u8868\u5c0d\u8c61\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u662f\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u5b58\u53d6\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\u800c\u53d7\u5230\u5ee3\u6cdb\u61c9\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bc Redis \u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%e7%b7%a9%e5%ad%98%ef%bc%9f-wSpglhvZPe\">\u4ec0\u9ebc\u662f\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\uff1f<\/h2>\n<p>\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u662f\u6307\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5c07\u4f86\u81ea\u591a\u500b\u6578\u64da\u8868\u7684\u6578\u64da\u6574\u5408\u70ba\u4e00\u500b\u5c0d\u8c61\u9032\u884c\u7de9\u5b58\u3002\u9019\u6a23\u7684\u505a\u6cd5\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u3002\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u5c0d\u8c61\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6aa2\u67e5\u7de9\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u8a72\u5c0d\u8c61\uff0c\u5982\u679c\u5b58\u5728\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u518d\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u66f4\u65b0\u7de9\u5b58\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-wSpglhvZPe\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\uff1a<\/strong>Redis \u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u8b80\u53d6\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u4e0d\u50c5\u652f\u6301\u5b57\u7b26\u4e32\uff0c\u9084\u652f\u6301\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65b9\u4fbf\u958b\u767c\u8005\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%a4%9a%e8%a1%a8%e5%b0%8d%e8%b1%a1%e7%b7%a9%e5%ad%98%e7%9a%84%e6%ad%a5%e9%a9%9f-wSpglhvZPe\">\u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-wSpglhvZPe\">1. \u8a2d\u8a08\u6578\u64da\u6a21\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u6578\u64da\u6a21\u578b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a\u7528\u6236\u8868\uff08users\uff09\u548c\u8a02\u55ae\u8868\uff08orders\uff09\u3002\u7528\u6236\u8868\u5305\u542b\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u800c\u8a02\u55ae\u8868\u5247\u8a18\u9304\u7528\u6236\u7684\u8a02\u55ae\u4fe1\u606f\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2-wSpglhvZPe\">2. \u6578\u64da\u67e5\u8a62<\/h3>\n<p>\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\u6642\uff0c\u6211\u5011\u9700\u8981\u5f9e\u7528\u6236\u8868\u548c\u8a02\u55ae\u8868\u4e2d\u67e5\u8a62\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>SELECT u.*, o.*\nFROM users u\nLEFT JOIN orders o ON u.id = o.user_id\nWHERE u.id = ?;<\/code><\/pre>\n<h3 id=\"3-%e7%b7%a9%e5%ad%98%e6%95%b8%e6%93%9a-wSpglhvZPe\">3. \u7de9\u5b58\u6578\u64da<\/h3>\n<p>\u5728\u67e5\u8a62\u5230\u6578\u64da\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u7d50\u679c\u5b58\u5165 Redis \u4e2d\u3002\u4ee5\u4e0b\u662f\u5c07\u6578\u64da\u5b58\u5165 Redis \u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>redis.set('user:1', JSON.stringify(userData));<\/code><\/pre>\n<p>\u9019\u88e1\uff0c\u6211\u5011\u5c07\u7528\u6236\u7684\u6578\u64da\u4ee5 JSON \u683c\u5f0f\u5b58\u5132\u5728 Redis \u4e2d\uff0c\u9375\u540d\u70ba &#8216;user:1&#8217;\u3002<\/p>\n<h3 id=\"4-%e7%8d%b2%e5%8f%96%e7%b7%a9%e5%ad%98%e6%95%b8%e6%93%9a-wSpglhvZPe\">4. \u7372\u53d6\u7de9\u5b58\u6578\u64da<\/h3>\n<p>\u7576\u7528\u6236\u518d\u6b21\u8acb\u6c42\u76f8\u540c\u7684\u6578\u64da\u6642\uff0c\u6211\u5011\u9996\u5148\u6aa2\u67e5 Redis \u4e2d\u662f\u5426\u5b58\u5728\u8a72\u6578\u64da\uff1a<\/p>\n<pre><code>const cachedData = redis.get('user:1');\nif (cachedData) {\n    return JSON.parse(cachedData);\n} else {\n    \/\/ \u5f9e\u6578\u64da\u5eab\u67e5\u8a62\u4e26\u66f4\u65b0\u7de9\u5b58\n}<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-wSpglhvZPe\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u7de9\u5b58\u5931\u6548\uff1a<\/strong>\u9700\u8981\u8a2d\u7f6e\u5408\u7406\u7684\u7de9\u5b58\u5931\u6548\u6642\u9593\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6642\u6548\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u66f4\u65b0\u6642\uff0c\u61c9\u53ca\u6642\u66f4\u65b0\u6216\u522a\u9664\u7de9\u5b58\u4e2d\u7684\u6578\u64da\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u7de9\u5b58\u7a7f\u900f\uff1a<\/strong>\u5c0d\u65bc\u4e0d\u5b58\u5728\u7684\u6578\u64da\u8acb\u6c42\uff0c\u61c9\u8a2d\u7f6e\u9632\u6b62\u7de9\u5b58\u7a7f\u900f\u7684\u6a5f\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wSpglhvZPe\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u5be6\u73fe\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6280\u8853\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u6a21\u578b\u8a2d\u8a08\u548c\u7de9\u5b58\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u591a\u8868\u5c0d\u8c61\u7de9\u5b58\u6280\u8853\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u512a\u5316\u61c9\u7528\u6027\u80fd\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\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-161671","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161671","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=161671"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161671\/revisions"}],"predecessor-version":[{"id":161672,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161671\/revisions\/161672"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}