{"id":117852,"date":"2024-10-24T21:14:14","date_gmt":"2024-10-24T13:14:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/117852\/"},"modified":"2024-10-24T21:14:15","modified_gmt":"2024-10-24T13:14:15","slug":"redis-%e5%bf%ab%e5%8f%96%e5%af%a6%e7%94%a8%e6%a1%88%e4%be%8b%e6%b7%b1%e5%ba%a6%e8%a7%a3%e8%ae%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/117852\/","title":{"rendered":"Redis \u5feb\u53d6\u5be6\u7528\u6848\u4f8b\u6df1\u5ea6\u89e3\u8b80"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e5%af%a6%e7%94%a8%e6%a1%88%e4%be%8b%e6%b7%b1%e5%ba%a6%e8%a7%a3%e8%ae%80-zXmwpJIZet\">Redis \u5feb\u53d6\u5be6\u7528\u6848\u4f8b\u6df1\u5ea6\u89e3\u8b80<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u95dc\u9375\u56e0\u7d20\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5df2\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u5be6\u7528\u6848\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u5728\u4e0d\u540c\u61c9\u7528\u4e2d\u7684\u50f9\u503c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-zXmwpJIZet\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u7279\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%bf%ab%e5%8f%96%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-zXmwpJIZet\">Redis \u7684\u5feb\u53d6\u61c9\u7528\u6848\u4f8b<\/h2>\n<h3 id=\"1-%e7%b6%b2%e9%a0%81%e5%bf%ab%e5%8f%96-zXmwpJIZet\">1. \u7db2\u9801\u5feb\u53d6<\/h3>\n<p>\u5728\u9ad8\u6d41\u91cf\u7684\u7db2\u7ad9\u4e2d\uff0c\u4f7f\u7528 Redis \u9032\u884c\u7db2\u9801\u5feb\u53d6\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u7db2\u9801\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6aa2\u67e5 Redis \u4e2d\u662f\u5426\u5df2\u6709\u8a72\u9801\u9762\u7684\u5feb\u53d6\u3002\u5982\u679c\u6709\uff0c\u5247\u76f4\u63a5\u5f9e Redis \u8fd4\u56de\u6578\u64da\uff0c\u5426\u5247\u518d\u5f9e\u8cc7\u6599\u5eab\u4e2d\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165 Redis\u3002<\/p>\n<pre><code>if (redis.exists(\"page:home\")) {\n    return redis.get(\"page:home\");\n} else {\n    data = db.query(\"SELECT * FROM pages WHERE id = 1\");\n    redis.set(\"page:home\", data);\n    return data;\n}<\/code><\/pre>\n<h3 id=\"2-%e6%9c%83%e8%a9%b1%e7%ae%a1%e7%90%86-zXmwpJIZet\">2. \u6703\u8a71\u7ba1\u7406<\/h3>\n<p>\u5728\u8a31\u591a Web \u61c9\u7528\u4e2d\uff0c\u6703\u8a71\u7ba1\u7406\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u4f7f\u7528 Redis \u4f5c\u70ba\u6703\u8a71\u5b58\u5132\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6703\u8a71\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u3002Redis \u7684\u6301\u4e45\u5316\u7279\u6027\u4e5f\u80fd\u78ba\u4fdd\u6703\u8a71\u6578\u64da\u4e0d\u6703\u56e0\u4f3a\u670d\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/p>\n<pre><code>session_id = \"user:session:\" + user_id;\nredis.set(session_id, session_data, ex=3600); \/\/ \u8a2d\u7f6e\u4e00\u5c0f\u6642\u904e\u671f<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-zXmwpJIZet\">3. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h3>\n<p>\u5728\u9700\u8981\u5be6\u6642\u6578\u64da\u5206\u6790\u7684\u61c9\u7528\u4e2d\uff0cRedis \u7684\u9ad8\u6548\u6027\u80fd\u4f7f\u5176\u6210\u70ba\u7406\u60f3\u7684\u9078\u64c7\u3002\u4f8b\u5982\uff0c\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u53ef\u4ee5\u4f7f\u7528 Redis \u4f86\u7d71\u8a08\u7528\u6236\u7684\u9ede\u8b9a\u6578\u3001\u5206\u4eab\u6578\u7b49\uff0c\u4e26\u5373\u6642\u66f4\u65b0\u986f\u793a\u3002<\/p>\n<pre><code>redis.incr(\"post:\" + post_id + \":likes\"); \/\/ \u589e\u52a0\u9ede\u8b9a\u6578<\/code><\/pre>\n<h3 id=\"4-%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97-zXmwpJIZet\">4. \u6d88\u606f\u968a\u5217<\/h3>\n<p>Redis \u4e5f\u53ef\u4ee5\u7528\u4f5c\u6d88\u606f\u968a\u5217\uff0c\u652f\u6301\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\u3002\u9019\u4f7f\u5f97\u4e0d\u540c\u7684\u61c9\u7528\u7d44\u4ef6\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u901a\u4fe1\uff0c\u5be6\u73fe\u89e3\u8026\u5408\u3002<\/p>\n<pre><code>redis.publish(\"channel:notifications\", message); \/\/ \u767c\u5e03\u6d88\u606f<\/code><\/pre>\n<h2 id=\"redis-%e7%9a%84%e5%84%aa%e5%8b%a2-zXmwpJIZet\">Redis \u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u591a\u6a23\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>\u652f\u6301 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>API \u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zXmwpJIZet\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5df2\u5728\u591a\u500b\u9818\u57df\u4e2d\u5c55\u73fe\u51fa\u5176\u5f37\u5927\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u7db2\u9801\u5feb\u53d6\u3001\u6703\u8a71\u7ba1\u7406\u3001\u5be6\u6642\u6578\u64da\u5206\u6790\u9084\u662f\u6d88\u606f\u968a\u5217\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u5353\u8d8a\u7684\u652f\u6301\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u642d\u914d Redis\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eRedis\u5feb\u53d6\u7684\u5be6\u7528\u6848\u4f8b\uff0c\u4e86\u89e3\u5176\u5728\u63d0\u5347\u6027\u80fd\u548c\u6548\u7387\u65b9\u9762\u7684\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10\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-117852","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/117852","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=117852"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/117852\/revisions"}],"predecessor-version":[{"id":117853,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/117852\/revisions\/117853"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=117852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=117852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=117852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}