{"id":128423,"date":"2024-10-26T14:02:17","date_gmt":"2024-10-26T06:02:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128423\/"},"modified":"2024-10-26T14:02:17","modified_gmt":"2024-10-26T06:02:17","slug":"redis-%e5%af%a6%e7%8f%be%e5%8b%95%e6%85%8b%e6%ac%8a%e9%87%8d%e9%9a%a8%e6%a9%9f%e6%8a%bd%e7%8d%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128423\/","title":{"rendered":"Redis \u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e5%8b%95%e6%85%8b%e6%ac%8a%e9%87%8d%e9%9a%a8%e6%a9%9f%e6%8a%bd%e7%8d%8e-UzJbWRiPjR\">Redis \u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e<\/h1>\n<p>\u96a8\u8457\u4e92\u806f\u7db2\u7684\u767c\u5c55\uff0c\u96a8\u6a5f\u62bd\u734e\u6d3b\u52d5\u5728\u5404\u7a2e\u884c\u696d\u4e2d\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u4fc3\u92b7\u6d3b\u52d5\u3001\u904a\u6232\u9084\u662f\u793e\u4ea4\u5a92\u9ad4\u4e92\u52d5\uff0c\u96a8\u6a5f\u62bd\u734e\u90fd\u80fd\u5438\u5f15\u5927\u91cf\u7528\u6236\u53c3\u8207\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5be6\u4f5c\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8b%95%e6%85%8b%e6%ac%8a%e9%87%8d%e9%9a%a8%e6%a9%9f%e6%8a%bd%e7%8d%8e%ef%bc%9f-UzJbWRiPjR\">\u4ec0\u9ebc\u662f\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\uff1f<\/h2>\n<p>\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\u662f\u6307\u5728\u62bd\u734e\u904e\u7a0b\u4e2d\uff0c\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u6216\u7528\u6236\u884c\u70ba\uff0c\u70ba\u6bcf\u500b\u53c3\u8207\u8005\u5206\u914d\u4e0d\u540c\u7684\u6b0a\u91cd\u3002\u9019\u610f\u5473\u8457\u67d0\u4e9b\u53c3\u8207\u8005\u7372\u52dd\u7684\u6a5f\u7387\u6703\u9ad8\u65bc\u5176\u4ed6\u4eba\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u7528\u65bc\u4fc3\u9032\u7528\u6236\u53c3\u8207\uff0c\u4e26\u6839\u64da\u7528\u6236\u7684\u6d3b\u8e8d\u5ea6\u6216\u5176\u4ed6\u6307\u6a19\u4f86\u8abf\u6574\u7372\u52dd\u6a5f\u7387\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-UzJbWRiPjR\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u5feb\u901f\u7684\u8b80\u5beb\u6027\u80fd\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\u3002\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u983b\u7387\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u5834\u666f\uff0c\u5982\u96a8\u6a5f\u62bd\u734e\u3002\u4f7f\u7528 Redis \u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408<\/li>\n<li>\u7c21\u55ae\u6613\u7528\u7684 API<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%8b%95%e6%85%8b%e6%ac%8a%e9%87%8d%e9%9a%a8%e6%a9%9f%e6%8a%bd%e7%8d%8e%e7%9a%84%e6%ad%a5%e9%a9%9f-UzJbWRiPjR\">\u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a%e5%8f%83%e8%88%87%e8%80%85%e5%8f%8a%e5%85%b6%e6%ac%8a%e9%87%8d-UzJbWRiPjR\">1. \u8a2d\u5b9a\u53c3\u8207\u8005\u53ca\u5176\u6b0a\u91cd<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u53c3\u8207\u8005\u53ca\u5176\u5c0d\u61c9\u7684\u6b0a\u91cd\u3002\u9019\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\u4f86\u5be6\u73fe\u3002\u6bcf\u500b\u53c3\u8207\u8005\u7684 ID \u4f5c\u70ba\u6210\u54e1\uff0c\u6b0a\u91cd\u4f5c\u70ba\u5206\u6578\u3002<\/p>\n<pre><code>redis&gt; ZADD lottery 10 user1\nredis&gt; ZADD lottery 20 user2\nredis&gt; ZADD lottery 30 user3<\/code><\/pre>\n<h3 id=\"2-%e9%9a%a8%e6%a9%9f%e6%8a%bd%e7%8d%8e%e9%82%8f%e8%bc%af-UzJbWRiPjR\">2. \u96a8\u6a5f\u62bd\u734e\u908f\u8f2f<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5be6\u73fe\u96a8\u6a5f\u62bd\u734e\u7684\u908f\u8f2f\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>ZREVRANGEBYSCORE<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709\u53c3\u8207\u8005\uff0c\u7136\u5f8c\u6839\u64da\u6b0a\u91cd\u9032\u884c\u96a8\u6a5f\u9078\u64c7\u3002<\/p>\n<pre><code>redis&gt; ZRANGE lottery 0 -1 WITHSCORES<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u6b0a\u91cd\u751f\u6210\u4e00\u500b\u7d2f\u7a4d\u6b0a\u91cd\u7684\u6578\u7d44\uff0c\u4e26\u4f7f\u7528\u96a8\u6a5f\u6578\u4f86\u9078\u64c7\u7372\u52dd\u8005\u3002<\/p>\n<pre><code>function pickWinner() {\n    $participants = $redis-&gt;zRange('lottery', 0, -1, 'WITHSCORES');\n    $totalWeight = array_sum($participants);\n    $random = rand(1, $totalWeight);\n    $cumulativeWeight = 0;\n\n    foreach ($participants as $user =&gt; $weight) {\n        $cumulativeWeight += $weight;\n        if ($random &lt;= $cumulativeWeight) {\n            return $user;\n        }\n    }\n}<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%ac%8a%e9%87%8d-UzJbWRiPjR\">3. \u66f4\u65b0\u6b0a\u91cd<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6839\u64da\u7528\u6236\u7684\u884c\u70ba\u52d5\u614b\u66f4\u65b0\u6b0a\u91cd\u3002\u4f8b\u5982\uff0c\u6839\u64da\u7528\u6236\u7684\u53c3\u8207\u6b21\u6578\u6216\u5176\u4ed6\u6307\u6a19\u4f86\u8abf\u6574\u6b0a\u91cd\u3002\u9019\u53ef\u4ee5\u901a\u904e <code>ZINCRBY<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>redis&gt; ZINCRBY lottery 5 user1<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UzJbWRiPjR\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528 Redis \u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u8a2d\u5b9a\u53c3\u8207\u8005\u53ca\u5176\u6b0a\u91cd\u3001\u5be6\u73fe\u96a8\u6a5f\u62bd\u734e\u908f\u8f2f\u4ee5\u53ca\u52d5\u614b\u66f4\u65b0\u6b0a\u91cd\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u516c\u5e73\u4e14\u5438\u5f15\u4eba\u7684\u62bd\u734e\u7cfb\u7d71\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7528\u6236\u7684\u53c3\u8207\u5ea6\uff0c\u9084\u80fd\u6839\u64da\u7528\u6236\u7684\u884c\u70ba\u9032\u884c\u8abf\u6574\uff0c\u5f9e\u800c\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u6700\u4f73\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Redis \u5be6\u73fe\u52d5\u614b\u6b0a\u91cd\u96a8\u6a5f\u62bd\u734e\uff0c\u9748\u6d3b\u8abf\u6574\u734e\u54c1\u6a5f\u7387\uff0c\u63d0\u5347\u62bd\u734e\u516c\u5e73\u6027\u8207\u8da3\u5473\u6027\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-128423","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128423","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=128423"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128423\/revisions"}],"predecessor-version":[{"id":128424,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128423\/revisions\/128424"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}