{"id":124719,"date":"2024-10-25T16:35:22","date_gmt":"2024-10-25T08:35:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124719\/"},"modified":"2024-10-25T16:35:23","modified_gmt":"2024-10-25T08:35:23","slug":"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%e5%89%96%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124719\/","title":{"rendered":"Redis \u8a08\u6578\u5668\u5be6\u73fe\u539f\u7406\u5256\u6790"},"content":{"rendered":"<h1 id=\"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%e5%89%96%e6%9e%90-ioLOQwelNo\">Redis \u8a08\u6578\u5668\u5be6\u73fe\u539f\u7406\u5256\u6790<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u8a08\u6578\u5668\u662f\u4e00\u500b\u975e\u5e38\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u7528\u65bc\u7d71\u8a08\u7528\u6236\u8a2a\u554f\u91cf\u3001\u8a18\u9304\u9ede\u64ca\u6b21\u6578\uff0c\u9084\u662f\u8ffd\u8e64\u4e8b\u4ef6\u767c\u751f\u7684\u983b\u7387\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u8a08\u6578\u5668\u5be6\u73fe\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u8a08\u6578\u5668\u7684\u5be6\u73fe\u539f\u7406\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis-%e8%a8%88%e6%95%b8%e5%99%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ioLOQwelNo\">Redis \u8a08\u6578\u5668\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u8a08\u6578\u5668\u901a\u5e38\u662f\u901a\u904e\u81ea\u589e\uff08INCR\uff09\u548c\u81ea\u6e1b\uff08DECR\uff09\u547d\u4ee4\u4f86\u5be6\u73fe\u7684\u3002\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u5c0d\u6307\u5b9a\u7684\u9375\u9032\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002Redis \u7684\u8a08\u6578\u5668\u53ef\u4ee5\u7528\u4f86\u8a18\u9304\u5404\u7a2e\u6578\u64da\uff0c\u4f8b\u5982\u7528\u6236\u767b\u9304\u6b21\u6578\u3001\u5546\u54c1\u92b7\u552e\u91cf\u7b49\u3002<\/p>\n<h2 id=\"%e8%a8%88%e6%95%b8%e5%99%a8%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-ioLOQwelNo\">\u8a08\u6578\u5668\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>Redis \u8a08\u6578\u5668\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>INCR<\/code>: \u5c0d\u6307\u5b9a\u9375\u7684\u503c\u9032\u884c\u81ea\u589e\u64cd\u4f5c\u3002<\/li>\n<li><code>DECR<\/code>: \u5c0d\u6307\u5b9a\u9375\u7684\u503c\u9032\u884c\u81ea\u6e1b\u64cd\u4f5c\u3002<\/li>\n<li><code>GET<\/code>: \u7372\u53d6\u6307\u5b9a\u9375\u7684\u7576\u524d\u503c\u3002<\/li>\n<li><code>SET<\/code>: \u8a2d\u7f6e\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u8a08\u6578\u5668\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; INCR page_views\n(integer) 1\n127.0.0.1:6379&gt; INCR page_views\n(integer) 2\n127.0.0.1:6379&gt; GET page_views\n\"2\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>INCR<\/code> \u547d\u4ee4\u4f86\u589e\u52a0 <code>page_views<\/code> \u9375\u7684\u503c\uff0c\u6bcf\u6b21\u8abf\u7528\u90fd\u6703\u81ea\u52d5\u52a0\u4e00\u3002\u4f7f\u7528 <code>GET<\/code> \u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u7576\u524d\u7684\u8a08\u6578\u503c\u3002<\/p>\n<h2 id=\"%e9%ab%98%e4%bd%b5%e7%99%bc%e7%92%b0%e5%a2%83%e4%b8%8b%e7%9a%84%e8%a8%88%e6%95%b8%e5%99%a8-ioLOQwelNo\">\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\u7684\u8a08\u6578\u5668<\/h2>\n<p>\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u8a08\u6578\u5668\u7684\u6b63\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis \u7684\u539f\u5b50\u64cd\u4f5c\u7279\u6027\u4f7f\u5f97\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5c0d\u540c\u4e00\u9375\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u4e0d\u6703\u51fa\u73fe\u6578\u64da\u7af6\u722d\u7684\u554f\u984c\u3002\u9019\u662f\u56e0\u70ba Redis \u5728\u57f7\u884c <code>INCR<\/code> \u548c <code>DECR<\/code> \u547d\u4ee4\u6642\uff0c\u6703\u9396\u5b9a\u8a72\u9375\uff0c\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e8%a8%88%e6%95%b8-ioLOQwelNo\">\u4f7f\u7528 Lua \u8173\u672c\u9032\u884c\u8a08\u6578<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528\u57fa\u672c\u7684\u547d\u4ee4\uff0cRedis \u9084\u652f\u6301 Lua \u8173\u672c\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u57f7\u884c\u591a\u500b\u547d\u4ee4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Lua \u8173\u672c\u7684\u8a08\u6578\u5668\u793a\u4f8b\uff1a<\/p>\n<pre><code>local current = redis.call(\"GET\", KEYS[1])\nif not current then\n    current = 0\nend\ncurrent = current + ARGV[1]\nredis.call(\"SET\", KEYS[1], current)\nreturn current\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8173\u672c\u4e2d\uff0c\u6211\u5011\u9996\u5148\u7372\u53d6\u7576\u524d\u8a08\u6578\u503c\uff0c\u7136\u5f8c\u6839\u64da\u50b3\u5165\u7684\u53c3\u6578\u9032\u884c\u589e\u6e1b\uff0c\u6700\u5f8c\u5c07\u7d50\u679c\u5b58\u56de Redis\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6574\u500b\u904e\u7a0b\u7684\u539f\u5b50\u6027\u3002<\/p>\n<h2 id=\"%e8%a8%88%e6%95%b8%e5%99%a8%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-ioLOQwelNo\">\u8a08\u6578\u5668\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis \u8a08\u6578\u5668\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u5ee3\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>\u7db2\u7ad9\u8a2a\u554f\u91cf\u7d71\u8a08<\/li>\n<li>\u7528\u6236\u884c\u70ba\u8ffd\u8e64<\/li>\n<li>\u904a\u6232\u4e2d\u7684\u5206\u6578\u8a08\u7b97<\/li>\n<li>\u5546\u54c1\u92b7\u552e\u91cf\u7d71\u8a08<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u5834\u666f\u90fd\u9700\u8981\u9ad8\u6548\u4e14\u6e96\u78ba\u7684\u8a08\u6578\u5668\u4f86\u652f\u6301\u696d\u52d9\u9700\u6c42\uff0c\u800c Redis \u63d0\u4f9b\u7684\u89e3\u6c7a\u65b9\u6848\u6b63\u597d\u6eff\u8db3\u4e86\u9019\u4e9b\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ioLOQwelNo\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5176\u8a08\u6578\u5668\u7684\u5be6\u73fe\u539f\u7406\u7c21\u55ae\u800c\u5f37\u5927\uff0c\u80fd\u5920\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u901a\u904e\u4f7f\u7528\u57fa\u672c\u547d\u4ee4\u548c Lua \u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u5be6\u73fe\u5404\u7a2e\u8a08\u6578\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u8a08\u6578\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5256\u6790Redis\u8a08\u6578\u5668\u7684\u5be6\u73fe\u539f\u7406\uff0c\u63a2\u8a0e\u5176\u9ad8\u6548\u6027\u8207\u61c9\u7528\u5834\u666f\uff0c\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u5b58\u5132\u8207\u7ba1\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-124719","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124719","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=124719"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124719\/revisions"}],"predecessor-version":[{"id":124720,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124719\/revisions\/124720"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}