{"id":98658,"date":"2024-10-21T04:27:18","date_gmt":"2024-10-20T20:27:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98658\/"},"modified":"2024-10-21T04:27:19","modified_gmt":"2024-10-20T20:27:19","slug":"redis-%e7%9a%84%e9%8d%b5%e5%80%bc%e9%9b%86%e5%90%88%e5%bf%ab%e9%80%9f%e7%b0%a1%e4%be%bf%e7%9a%84%e5%ad%98%e5%84%b2%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98658\/","title":{"rendered":"Redis \u7684\u9375\u503c\u96c6\u5408\u5feb\u901f\u7c21\u4fbf\u7684\u5b58\u5132\u65b9\u6848"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84%e9%8d%b5%e5%80%bc%e9%9b%86%e5%90%88%e5%bf%ab%e9%80%9f%e7%b0%a1%e4%be%bf%e7%9a%84%e5%ad%98%e5%84%b2%e6%96%b9%e6%a1%88-gAvsdeWBon\">Redis \u7684\u9375\u503c\u96c6\u5408\u5feb\u901f\u7c21\u4fbf\u7684\u5b58\u5132\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u7c21\u55ae\u6613\u7528\u548c\u5353\u8d8a\u7684\u6027\u80fd\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u9375\u503c\u96c6\u5408\u5b58\u5132\u65b9\u6848\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-gAvsdeWBon\">\u4ec0\u9ebc\u662f Redis\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\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\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\u9ad8\u6027\u80fd\u3001\u6301\u4e45\u6027\u548c\u9748\u6d3b\u6027\uff0c\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%8d%b5%e5%80%bc%e9%9b%86%e5%90%88-gAvsdeWBon\">Redis \u7684\u9375\u503c\u96c6\u5408<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u9375\u503c\u96c6\u5408\u662f\u4e00\u7a2e\u57fa\u672c\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u7528\u6236\u4ee5\u9375\uff08key\uff09\u4f86\u5b58\u53d6\u5c0d\u61c9\u7684\u503c\uff08value\uff09\u3002\u9019\u7a2e\u7d50\u69cb\u7684\u512a\u52e2\u5728\u65bc\u5176\u67e5\u8a62\u901f\u5ea6\u6975\u5feb\uff0c\u56e0\u70ba\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728\u5167\u5b58\u4e2d\u3002<\/p>\n<h3 id=\"%e9%8d%b5%e5%80%bc%e9%9b%86%e5%90%88%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-gAvsdeWBon\">\u9375\u503c\u96c6\u5408\u7684\u57fa\u672c\u64cd\u4f5c<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u64cd\u4f5c\u9375\u503c\u96c6\u5408\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SET key value<\/code>\uff1a\u8a2d\u7f6e\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<li><code>GET key<\/code>\uff1a\u7372\u53d6\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<li><code>DEL key<\/code>\uff1a\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002<\/li>\n<li><code>EXISTS key<\/code>\uff1a\u6aa2\u67e5\u6307\u5b9a\u7684\u9375\u662f\u5426\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%9f%ba%e6%9c%ac%e7%9a%84%e9%8d%b5%e5%80%bc%e6%93%8d%e4%bd%9c-gAvsdeWBon\">\u793a\u4f8b\uff1a\u57fa\u672c\u7684\u9375\u503c\u64cd\u4f5c<\/h4>\n<pre><code>\n# \u8a2d\u7f6e\u9375\u503c\nSET user:1000 \"Alice\"\n\n# \u7372\u53d6\u9375\u503c\nGET user:1000  # \u8fd4\u56de \"Alice\"\n\n# \u522a\u9664\u9375\u503c\nDEL user:1000\n\n# \u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\nEXISTS user:1000  # \u8fd4\u56de 0 (\u4e0d\u5b58\u5728)\n<\/code><\/pre>\n<h2 id=\"%e9%8d%b5%e5%80%bc%e9%9b%86%e5%90%88%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-gAvsdeWBon\">\u9375\u503c\u96c6\u5408\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis \u7684\u9375\u503c\u96c6\u5408\u9069\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u7528\u6236\u7684\u6703\u8a71\u4fe1\u606f\uff0c\u5feb\u901f\u8b80\u53d6\u548c\u66f4\u65b0\u3002<\/li>\n<li><strong>\u7de9\u5b58\u7cfb\u7d71\uff1a<\/strong>\u53ef\u4ee5\u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u67e5\u8a62\u58d3\u529b\u3002<\/li>\n<li><strong>\u6392\u884c\u699c\uff1a<\/strong>\u5229\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u5be6\u73fe\u5373\u6642\u7684\u6392\u884c\u699c\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8-redis-%e4%bd%9c%e7%82%ba%e7%b7%a9%e5%ad%98%e7%9a%84%e7%a4%ba%e4%be%8b-gAvsdeWBon\">\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u51fd\u6578\u7528\u4f86\u7372\u53d6\u7528\u6236\u4fe1\u606f\ndef get_user_info(user_id):\n    # \u5148\u6aa2\u67e5\u7de9\u5b58\n    cached_user = GET f\"user:{user_id}\"\n    if cached_user:\n        return cached_user  # \u8fd4\u56de\u7de9\u5b58\u7684\u7528\u6236\u4fe1\u606f\n\n    # \u5982\u679c\u7de9\u5b58\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u7372\u53d6\n    user_info = query_database(user_id)\n    \n    # \u5c07\u7d50\u679c\u5b58\u5165\u7de9\u5b58\n    SET f\"user:{user_id}\" user_info\n    return user_info\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-gAvsdeWBon\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u9375\u503c\u96c6\u5408\u63d0\u4f9b\u4e86\u4e00\u7a2e\u5feb\u901f\u4e14\u7c21\u4fbf\u7684\u6578\u64da\u5b58\u5132\u65b9\u6848\uff0c\u9069\u5408\u591a\u7a2e\u61c9\u7528\u5834\u666f\u3002\u7121\u8ad6\u662f\u7528\u65bc\u6703\u8a71\u7ba1\u7406\u3001\u7de9\u5b58\u7cfb\u7d71\u9084\u662f\u6392\u884c\u699c\uff0cRedis \u90fd\u80fd\u4ee5\u5176\u5353\u8d8a\u7684\u6027\u80fd\u6eff\u8db3\u9700\u6c42\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u6848\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\uff0c\u800c Redis \u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u5176\u4ed6\u96f2\u670d\u52d9\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u63d0\u4f9b\u9ad8\u6548\u7684\u9375\u503c\u96c6\u5408\u5b58\u5132\u65b9\u6848\uff0c\u7c21\u55ae\u6613\u7528\uff0c\u9069\u5408\u5feb\u901f\u5b58\u53d6\u548c\u7ba1\u7406\u5927\u91cf\u6578\u64da\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-98658","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98658","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=98658"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98658\/revisions"}],"predecessor-version":[{"id":98659,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98658\/revisions\/98659"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}