{"id":129067,"date":"2024-10-26T18:50:18","date_gmt":"2024-10-26T10:50:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129067\/"},"modified":"2024-10-26T18:50:19","modified_gmt":"2024-10-26T10:50:19","slug":"redis%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9e%e9%95%b7incr%e5%91%bd%e4%bb%a4%e5%af%a6%e6%88%b0%ef%bc%88redis%e8%87%aa%e5%a2%9e%e9%95%b7incr%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129067\/","title":{"rendered":"Redis\u5be6\u73fe\u81ea\u589e\u9577incr\u547d\u4ee4\u5be6\u6230\uff08redis\u81ea\u589e\u9577incr\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9e%e9%95%b7incr%e5%91%bd%e4%bb%a4%e5%af%a6%e6%88%b0%ef%bc%88redis%e8%87%aa%e5%a2%9e%e9%95%b7incr%ef%bc%89-fiMQuFxdZa\">Redis\u5be6\u73fe\u81ea\u589e\u9577incr\u547d\u4ee4\u5be6\u6230\uff08redis\u81ea\u589e\u9577incr\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u8655\u7406\u74b0\u5883\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u5176\u63d0\u4f9b\u7684\u81ea\u589e\u9577\u547d\u4ee4incr\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u7684\u589e\u9577\u64cd\u4f5c\uff0c\u4e26\u4e14\u5728\u6027\u80fd\u4e0a\u8868\u73fe\u512a\u7570\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684incr\u547d\u4ee4\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u7684\u61c9\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%9a%84incr%e5%91%bd%e4%bb%a4%ef%bc%9f-fiMQuFxdZa\">\u4ec0\u9ebc\u662fRedis\u7684incr\u547d\u4ee4\uff1f<\/h2>\n<p>Redis\u7684incr\u547d\u4ee4\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u7528\u65bc\u5c07\u6307\u5b9a\u9375\u7684\u6574\u6578\u503c\u589e\u52a01\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0cRedis\u6703\u81ea\u52d5\u5275\u5efa\u8a72\u9375\u4e26\u5c07\u5176\u503c\u8a2d\u7f6e\u70ba1\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97incr\u547d\u4ee4\u5728\u8a08\u6578\u5668\u3001\u6d41\u91cf\u7d71\u8a08\u7b49\u5834\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h3 id=\"incr%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-fiMQuFxdZa\">incr\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5<\/h3>\n<pre><code>INCR key<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>key<\/code>\u662f\u8981\u81ea\u589e\u7684\u9375\u540d\u3002\u57f7\u884c\u8a72\u547d\u4ee4\u5f8c\uff0cRedis\u6703\u8fd4\u56de\u81ea\u589e\u5f8c\u7684\u503c\u3002<\/p>\n<h2 id=\"incr%e5%91%bd%e4%bb%a4%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-fiMQuFxdZa\">incr\u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528incr\u547d\u4ee4\u7684\u5be6\u969b\u6848\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e8%a8%aa%e5%95%8f%e8%a8%88%e6%95%b8%e5%99%a8-fiMQuFxdZa\">1. \u8a2a\u554f\u8a08\u6578\u5668<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u9700\u8981\u7d71\u8a08\u67d0\u500b\u7db2\u9801\u7684\u8a2a\u554f\u6b21\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528incr\u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>INCR page:view:homepage<\/code><\/pre>\n<p>\u6bcf\u7576\u7528\u6236\u8a2a\u554f\u9996\u9801\u6642\uff0c\u9019\u689d\u547d\u4ee4\u5c31\u6703\u88ab\u57f7\u884c\uff0c\u5f9e\u800c\u5be6\u6642\u66f4\u65b0\u8a2a\u554f\u6b21\u6578\u3002<\/p>\n<h3 id=\"2-%e9%99%90%e5%88%b6%e7%94%a8%e6%88%b6%e8%a1%8c%e7%82%ba-fiMQuFxdZa\">2. \u9650\u5236\u7528\u6236\u884c\u70ba<\/h3>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u9650\u5236\u7528\u6236\u7684\u67d0\u4e9b\u884c\u70ba\uff0c\u4f8b\u5982\u6bcf\u5206\u9418\u53ea\u80fd\u767c\u9001\u4e00\u6b21\u8acb\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528incr\u547d\u4ee4\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff1a<\/p>\n<pre><code>\nINCR user:123:request_count\nEXPIRE user:123:request_count 60\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>user:123:request_count<\/code>\u7528\u65bc\u8a18\u9304\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff0c\u4e26\u4e14\u8a2d\u7f6e60\u79d2\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u5206\u9418\u7684\u8acb\u6c42\u6b21\u6578\u4e0d\u6703\u8d85\u904e\u9650\u5236\u3002<\/p>\n<h3 id=\"3-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-fiMQuFxdZa\">3. \u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0cincr\u547d\u4ee4\u4e5f\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u7c21\u55ae\u7684\u9396\u6a5f\u5236\u3002\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u4e26\u4f7f\u7528incr\u547d\u4ee4\u4f86\u7372\u53d6\u9396\uff1a<\/p>\n<pre><code>\nSETNX lock:resource 1\nINCR lock:resource\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u80fd\u5920\u7372\u53d6\u5230\u9396\uff0c\u5f9e\u800c\u907f\u514d\u8cc7\u6e90\u7684\u7af6\u722d\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-fiMQuFxdZa\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136incr\u547d\u4ee4\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>incr\u547d\u4ee4\u53ea\u80fd\u7528\u65bc\u6574\u6578\u985e\u578b\u7684\u9375\uff0c\u5c0d\u65bc\u5176\u4ed6\u985e\u578b\u7684\u9375\u6703\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\uff0cincr\u547d\u4ee4\u7684\u539f\u5b50\u6027\u7279\u6027\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u3002<\/li>\n<li>\u4f7f\u7528incr\u547d\u4ee4\u6642\uff0c\u8acb\u78ba\u4fdd\u9375\u7684\u547d\u540d\u898f\u5247\u6e05\u6670\uff0c\u4ee5\u4fbf\u65bc\u5f8c\u7e8c\u7684\u7dad\u8b77\u548c\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fiMQuFxdZa\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684incr\u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u9069\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u5982\u8a08\u6578\u5668\u3001\u884c\u70ba\u9650\u5236\u548c\u5206\u5e03\u5f0f\u9396\u7b49\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528incr\u547d\u4ee4\uff0c\u53ef\u4ee5\u5927\u5e45\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\uff0c\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u81ea\u589e\u9577incr\u547d\u4ee4\u7684\u5be6\u6230\u61c9\u7528\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u7ba1\u7406\u6578\u64da\u589e\u9577\uff0c\u63d0\u5347\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\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-129067","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129067","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=129067"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129067\/revisions"}],"predecessor-version":[{"id":129068,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129067\/revisions\/129068"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}