{"id":97774,"date":"2024-10-20T21:01:18","date_gmt":"2024-10-20T13:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97774\/"},"modified":"2024-10-20T21:01:19","modified_gmt":"2024-10-20T13:01:19","slug":"redis%e6%9c%ac%e5%9c%b0%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e6%8a%80%e8%a1%93%e5%af%a6%e6%88%b0%ef%bc%88redis%e6%9c%ac%e5%9c%b0%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97774\/","title":{"rendered":"Redis\u672c\u5730\u64cd\u4f5c\u6578\u64da\u6280\u8853\u5be6\u6230\uff08redis\u672c\u5730\u64cd\u4f5c\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"redis%e6%9c%ac%e5%9c%b0%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e6%8a%80%e8%a1%93%e5%af%a6%e6%88%b0-lwzPpZPOCb\">Redis\u672c\u5730\u64cd\u4f5c\u6578\u64da\u6280\u8853\u5be6\u6230<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u6280\u8853\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u672c\u5730\u64cd\u4f5c\u6578\u64da\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u5be6\u6230\u793a\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528Redis\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-lwzPpZPOCb\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u3002\u5b83\u901a\u5e38\u7528\u4f5c\u6578\u64da\u5eab\u3001\u7de9\u5b58\u548c\u6d88\u606f\u4ee3\u7406\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\uff0c\u5982\u5be6\u6642\u5206\u6790\u3001\u904a\u6232\u6392\u884c\u699c\u548c\u793e\u4ea4\u5a92\u9ad4\u7b49\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-lwzPpZPOCb\">Redis\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9032\u884c\u672c\u5730\u64cd\u4f5c\u6578\u64da\u6642\uff0c\u9996\u5148\u9700\u8981\u5b89\u88ddRedis\u4e26\u555f\u52d5\u670d\u52d9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e5%ae%89%e8%a3%9dredis-lwzPpZPOCb\">\u5b89\u88ddRedis<\/h3>\n<pre><code>sudo apt update\nsudo apt install redis-server\n<\/code><\/pre>\n<h3 id=\"%e5%95%9f%e5%8b%95redis%e6%9c%8d%e5%8b%99-lwzPpZPOCb\">\u555f\u52d5Redis\u670d\u52d9<\/h3>\n<pre><code>sudo systemctl start redis\nsudo systemctl enable redis\n<\/code><\/pre>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e7%a4%ba%e4%be%8b-lwzPpZPOCb\">\u57fa\u672c\u547d\u4ee4\u793a\u4f8b<\/h3>\n<ul>\n<li><strong>\u8a2d\u7f6e\u9375\u503c\u5c0d\uff1a<\/strong>\u4f7f\u7528SET\u547d\u4ee4\u8a2d\u7f6e\u4e00\u500b\u9375\u503c\u5c0d\u3002<\/li>\n<pre><code>SET mykey \"Hello, Redis!\"<\/code><\/pre>\n<li><strong>\u7372\u53d6\u9375\u503c\uff1a<\/strong>\u4f7f\u7528GET\u547d\u4ee4\u7372\u53d6\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<pre><code>GET mykey<\/code><\/pre>\n<li><strong>\u522a\u9664\u9375\uff1a<\/strong>\u4f7f\u7528DEL\u547d\u4ee4\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002<\/li>\n<pre><code>DEL mykey<\/code><\/pre>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-lwzPpZPOCb\">Redis\u7684\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u6bcf\u7a2e\u7d50\u69cb\u90fd\u6709\u5176\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u7528\u7684\u6578\u64da\u7d50\u69cb\u53ca\u5176\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%88string%ef%bc%89-lwzPpZPOCb\">\u5b57\u7b26\u4e32\uff08String\uff09<\/h3>\n<p>\u5b57\u7b26\u4e32\u662fRedis\u4e2d\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5305\u62ec\u6587\u672c\u548c\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<pre><code>SET user:1000 \"Alice\"\nGET user:1000\n<\/code><\/pre>\n<h3 id=\"%e5%93%88%e5%b8%8c%ef%bc%88hash%ef%bc%89-lwzPpZPOCb\">\u54c8\u5e0c\uff08Hash\uff09<\/h3>\n<p>\u54c8\u5e0c\u662f\u4e00\u7a2e\u9375\u503c\u5c0d\u96c6\u5408\uff0c\u9069\u5408\u7528\u4f86\u5b58\u5132\u5c0d\u8c61\u7684\u5c6c\u6027\u3002<\/p>\n<pre><code>HSET user:1000 name \"Alice\"\nHSET user:1000 age 30\nHGETALL user:1000\n<\/code><\/pre>\n<h3 id=\"%e5%88%97%e8%a1%a8%ef%bc%88list%ef%bc%89-lwzPpZPOCb\">\u5217\u8868\uff08List\uff09<\/h3>\n<p>\u5217\u8868\u662f\u4e00\u500b\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6d88\u606f\u968a\u5217\u7b49\u529f\u80fd\u3002<\/p>\n<pre><code>LPUSH mylist \"item1\"\nLPUSH mylist \"item2\"\nLRANGE mylist 0 -1\n<\/code><\/pre>\n<h3 id=\"%e9%9b%86%e5%90%88%ef%bc%88set%ef%bc%89-lwzPpZPOCb\">\u96c6\u5408\uff08Set\uff09<\/h3>\n<p>\u96c6\u5408\u662f\u4e00\u500b\u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u9069\u5408\u7528\u4f86\u5b58\u5132\u4e0d\u91cd\u8907\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SADD myset \"item1\"\nSADD myset \"item2\"\nSMEMBERS myset\n<\/code><\/pre>\n<h2 id=\"redis%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e6%a9%9f%e5%88%b6-lwzPpZPOCb\">Redis\u7684\u6301\u4e45\u5316\u6a5f\u5236<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u5169\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff1aRDB\uff08\u5feb\u7167\uff09\u548cAOF\uff08\u8ffd\u52a0\u6587\u4ef6\uff09\u3002RDB\u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\u751f\u6210\u6578\u64da\u5feb\u7167\uff0c\u800cAOF\u5247\u6703\u8a18\u9304\u6240\u6709\u5beb\u64cd\u4f5c\u3002\u6839\u64da\u61c9\u7528\u9700\u6c42\uff0c\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e5%af%a6%e6%88%b0%e6%a1%88%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8redis%e4%bd%9c%e7%82%ba%e7%b7%a9%e5%ad%98-lwzPpZPOCb\">\u5be6\u6230\u6848\u4f8b\uff1a\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58<\/h2>\n<p>\u5728\u4e00\u500bWeb\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>def get_user_data(user_id):\n    cache_key = f\"user:{user_id}\"\n    # \u5617\u8a66\u5f9eRedis\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\n    user_data = redis_client.get(cache_key)\n    if user_data:\n        return user_data\n    else:\n        # \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\n        user_data = query_database(user_id)\n        # \u5c07\u6578\u64da\u5b58\u5165Redis\u7de9\u5b58\n        redis_client.set(cache_key, user_data)\n        return user_data\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lwzPpZPOCb\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\u65b9\u5f0f\uff0c\u9069\u5408\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u7121\u8ad6\u662f\u4f5c\u70ba\u6578\u64da\u5eab\u3001\u7de9\u5b58\u9084\u662f\u6d88\u606f\u4ee3\u7406\uff0cRedis\u90fd\u80fd\u5920\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1Redis\u7684\u672c\u5730\u64cd\u4f5c\u6578\u64da\u6280\u8853\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u90e8\u7f72\u548c\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u672c\u5730\u64cd\u4f5c\u6578\u64da\u7684\u5be6\u6230\u6280\u8853\uff0c\u5b78\u7fd2\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u6027\u80fd\u512a\u5316\uff0c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\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-97774","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97774","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=97774"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97774\/revisions"}],"predecessor-version":[{"id":97775,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97774\/revisions\/97775"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}