{"id":124799,"date":"2024-10-25T17:17:19","date_gmt":"2024-10-25T09:17:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124799\/"},"modified":"2024-10-25T17:17:19","modified_gmt":"2024-10-25T09:17:19","slug":"redis-%e5%8a%a0%e5%bf%ab%e6%9f%a5%e6%89%be%e6%96%87%e4%bb%b6%e7%9a%84%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124799\/","title":{"rendered":"Redis \u52a0\u5feb\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6"},"content":{"rendered":"<h1 id=\"redis-%e5%8a%a0%e5%bf%ab%e6%9f%a5%e6%89%be%e6%96%87%e4%bb%b6%e7%9a%84%e9%80%9f%e5%ba%a6-jhXPXtwVXG\">Redis \u52a0\u5feb\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u67e5\u627e\u548c\u5b58\u53d6\u6578\u64da\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5982\u4f55\u52a0\u5feb\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6\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-redis%ef%bc%9f-jhXPXtwVXG\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u7279\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8b%a2-jhXPXtwVXG\">Redis \u7684\u6027\u80fd\u512a\u52e2<\/h2>\n<p>Redis \u7684\u6027\u80fd\u512a\u52e2\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u5b58\u5132\uff1a<\/strong>Redis \u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\uff0c\u901a\u5e38\u5728\u5fae\u79d2\u7d1a\u5225\u3002<\/li>\n<li><strong>\u55ae\u7dda\u7a0b\u67b6\u69cb\uff1a<\/strong>Redis \u4f7f\u7528\u55ae\u7dda\u7a0b\u6a21\u578b\u4f86\u8655\u7406\u8acb\u6c42\uff0c\u907f\u514d\u4e86\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u4e0a\u4e0b\u6587\u5207\u63db\u958b\u92b7\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/li>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-redis-%e5%8a%a0%e5%bf%ab%e6%9f%a5%e6%89%be%e6%96%87%e4%bb%b6%e7%9a%84%e9%80%9f%e5%ba%a6-jhXPXtwVXG\">\u5982\u4f55\u4f7f\u7528 Redis \u52a0\u5feb\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6<\/h2>\n<p>\u4f7f\u7528 Redis \u52a0\u5feb\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6\u4e3b\u8981\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98-jhXPXtwVXG\">1. \u6578\u64da\u7de9\u5b58<\/h3>\n<p>\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u7de9\u5b58\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u8cc7\u6599\u7684\u67e5\u8a62\u9700\u6c42\uff0c\u53ef\u4ee5\u5c07\u7528\u6236\u8cc7\u6599\u5b58\u5132\u5728 Redis \u4e2d\uff0c\u7576\u7528\u6236\u8acb\u6c42\u8cc7\u6599\u6642\uff0c\u9996\u5148\u67e5\u8a62 Redis\uff0c\u5982\u679c\u672a\u547d\u4e2d\uff0c\u518d\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u4e26\u5c07\u7d50\u679c\u7de9\u5b58\u5230 Redis\u3002<\/p>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();\n\nfunction getUserData(userId) {\n    client.get(userId, (err, data) =&gt; {\n        if (data) {\n            console.log('\u5f9e Redis \u7372\u53d6\u8cc7\u6599:', data);\n        } else {\n            \/\/ \u5047\u8a2d\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u8cc7\u6599\n            const userData = fetchFromDatabase(userId);\n            client.setex(userId, 3600, userData); \/\/ \u8a2d\u7f6e\u7de9\u5b58\uff0c1\u5c0f\u6642\u904e\u671f\n            console.log('\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u8cc7\u6599:', userData);\n        }\n    });\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%93%88%e5%b8%8c%e7%b5%90%e6%a7%8b-jhXPXtwVXG\">2. \u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb<\/h3>\n<p>Redis \u7684\u54c8\u5e0c\u7d50\u69cb\u975e\u5e38\u9069\u5408\u5b58\u5132\u5c0d\u8c61\u985e\u578b\u7684\u6578\u64da\u3002\u901a\u904e\u5c07\u6587\u4ef6\u7684\u5143\u6578\u64da\u5b58\u5132\u5728\u54c8\u5e0c\u4e2d\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n<pre><code>client.hset('file:123', 'name', 'example.txt', 'size', '2MB');\nclient.hgetall('file:123', (err, fileData) =&gt; {\n    console.log('\u6587\u4ef6\u8cc7\u6599:', fileData);\n});\n<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-jhXPXtwVXG\">3. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u91cb\u653e\u5167\u5b58\uff0c\u4fdd\u6301 Redis \u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<pre><code>client.setex('temporary:data', 300, 'some data'); \/\/ 5\u5206\u9418\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-jhXPXtwVXG\">\u7d50\u8ad6<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u627e\u6587\u4ef6\u7684\u901f\u5ea6\u3002\u901a\u904e\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\u3001\u6578\u64da\u7d50\u69cb\u9078\u64c7\u548c\u904e\u671f\u7ba1\u7406\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u6578\u64da\u8655\u7406\u4e0a\u7372\u5f97\u66f4\u9ad8\u7684\u6548\u7387\u548c\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u5834\u666f\uff0cRedis \u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u63d0\u5347\u6587\u4ef6\u67e5\u627e\u901f\u5ea6\uff0c\u5229\u7528\u5185\u5b58\u5b58\u50a8\u548c\u9ad8\u6548\u6570\u636e\u7ed3\u6784\uff0c\u5b9e\u73b0\u5feb\u901f\u8bbf\u95ee\u548c\u9ad8\u6027\u80fd\u6570\u636e\u5904\u7406\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-124799","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124799","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=124799"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124799\/revisions"}],"predecessor-version":[{"id":124800,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124799\/revisions\/124800"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}