{"id":125059,"date":"2024-10-25T19:28:17","date_gmt":"2024-10-25T11:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125059\/"},"modified":"2024-10-25T19:28:18","modified_gmt":"2024-10-25T11:28:18","slug":"redis-%e8%85%b3%e6%9c%ac%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8f%af%e6%84%9b%e5%a4%9a%e7%ab%af%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125059\/","title":{"rendered":"Redis \u8173\u672c\u5be6\u73fe\u6578\u64da\u53ef\u611b\u591a\u7aef\u64cd\u4f5c"},"content":{"rendered":"<h1 id=\"redis-%e8%85%b3%e6%9c%ac%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8f%af%e6%84%9b%e5%a4%9a%e7%ab%af%e6%93%8d%e4%bd%9c-SqMUAooRbU\">Redis \u8173\u672c\u5be6\u73fe\u6578\u64da\u53ef\u611b\u591a\u7aef\u64cd\u4f5c<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u7684\u9ad8\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u8173\u672c\u4f86\u5be6\u73fe\u6578\u64da\u7684\u591a\u7aef\u64cd\u4f5c\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-%e8%85%b3%e6%9c%ac%ef%bc%9f-SqMUAooRbU\">\u4ec0\u9ebc\u662f Redis \u8173\u672c\uff1f<\/h2>\n<p>Redis \u8173\u672c\u662f\u57fa\u65bc Lua \u8a9e\u8a00\u7684\u8173\u672c\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5728 Redis \u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u81ea\u5b9a\u7fa9\u7684\u64cd\u4f5c\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u56e0\u70ba\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u5728\u4f3a\u670d\u5668\u7aef\u57f7\u884c\uff0c\u800c\u4e0d\u9700\u8981\u591a\u6b21\u5f80\u8fd4\u65bc\u5ba2\u6236\u7aef\u548c\u4f3a\u670d\u5668\u4e4b\u9593\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-redis-%e8%85%b3%e6%9c%ac%ef%bc%9f-SqMUAooRbU\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 Redis \u8173\u672c\uff1f<\/h2>\n<ul>\n<li><strong>\u539f\u5b50\u6027\uff1a<\/strong>Redis \u8173\u672c\u5728\u57f7\u884c\u6642\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u8173\u672c\u57f7\u884c\u671f\u9593\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u7121\u6cd5\u5c0d\u6578\u64da\u9032\u884c\u4fee\u6539\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u901a\u904e\u5c07\u591a\u500b\u547d\u4ee4\u5408\u4f75\u70ba\u4e00\u500b\u8173\u672c\uff0c\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u7c21\u5316\u908f\u8f2f\uff1a<\/strong>\u5728\u8173\u672c\u4e2d\u53ef\u4ee5\u7de8\u5beb\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u7684\u4ee3\u78bc\u8907\u96dc\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e8%85%b3%e6%9c%ac%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-SqMUAooRbU\">Redis \u8173\u672c\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u8981\u5728 Redis \u4e2d\u4f7f\u7528\u8173\u672c\uff0c\u9996\u5148\u9700\u8981\u4f7f\u7528 <code>EVAL<\/code> \u547d\u4ee4\u4f86\u57f7\u884c Lua \u8173\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u8173\u672c\u4f86\u8a08\u7b97\u4e00\u7d44\u6578\u5b57\u7684\u7e3d\u548c\uff1a<\/p>\n<pre><code>\nEVAL \"local sum = 0 for i=1,#KEYS do sum = sum + tonumber(redis.call('GET', KEYS[i])) end return sum\" 3 key1 key2 key3\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u8173\u672c\u6703\u904d\u6b77\u50b3\u5165\u7684\u9375\uff08<code>key1<\/code>, <code>key2<\/code>, <code>key3<\/code>\uff09\uff0c\u4e26\u8a08\u7b97\u5b83\u5011\u7684\u7e3d\u548c\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u53ef\u4ee5\u5728\u4f3a\u670d\u5668\u7aef\u5b8c\u6210\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%a4%9a%e7%ab%af%e6%93%8d%e4%bd%9c%e7%9a%84%e7%a4%ba%e4%be%8b-SqMUAooRbU\">\u5be6\u73fe\u591a\u7aef\u64cd\u4f5c\u7684\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u61c9\u7528\u9700\u8981\u5728\u591a\u500b\u7aef\u9ede\u4e0a\u66f4\u65b0\u7528\u6236\u7684\u8a2a\u554f\u8a08\u6578\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u8173\u672c\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u78ba\u4fdd\u6bcf\u6b21\u66f4\u65b0\u90fd\u662f\u539f\u5b50\u6027\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u8173\u672c\uff1a<\/p>\n<pre><code>\nEVAL \"local count = redis.call('INCR', KEYS[1]) return count\" 1 user:123:visits\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>INCR<\/code> \u547d\u4ee4\u6703\u5c07\u7528\u6236 <code>user:123<\/code> \u7684\u8a2a\u554f\u8a08\u6578\u52a0\u4e00\uff0c\u4e26\u8fd4\u56de\u66f4\u65b0\u5f8c\u7684\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5373\u4f7f\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u8a08\u6578\u4e5f\u4e0d\u6703\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SqMUAooRbU\">\u7d50\u8ad6<\/h2>\n<p>Redis \u8173\u672c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u6578\u64da\u7684\u591a\u7aef\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u4f3a\u670d\u5668\u7aef\u57f7\u884c\u8907\u96dc\u7684\u908f\u8f2f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u638c\u63e1 Redis \u8173\u672c\u7684\u4f7f\u7528\u5c07\u6210\u70ba\u958b\u767c\u8005\u7684\u4e00\u9805\u91cd\u8981\u6280\u80fd\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\u4f86\u904b\u884c\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u8173\u672c\u5be6\u73fe\u6578\u64da\u7684\u591a\u7aef\u64cd\u4f5c\uff0c\u63d0\u5347\u6548\u7387\u8207\u9748\u6d3b\u6027\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u8f15\u9b06\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-125059","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125059","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=125059"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125059\/revisions"}],"predecessor-version":[{"id":125060,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125059\/revisions\/125060"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}