{"id":128405,"date":"2024-10-26T13:54:18","date_gmt":"2024-10-26T05:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128405\/"},"modified":"2024-10-26T13:54:19","modified_gmt":"2024-10-26T05:54:19","slug":"redis-%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128405\/","title":{"rendered":"Redis \u5be6\u73fe\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%8a%9f%e8%83%bd-AFJDbTirEY\">Redis \u5be6\u73fe\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u9ede\u8b9a\u529f\u80fd\u5df2\u6210\u70ba\u7528\u6236\u4e92\u52d5\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u9084\u662f\u5167\u5bb9\u5206\u4eab\u7db2\u7ad9\uff0c\u9ede\u8b9a\u529f\u80fd\u90fd\u80fd\u6709\u6548\u63d0\u5347\u7528\u6236\u53c3\u8207\u5ea6\u548c\u5167\u5bb9\u7684\u53ef\u898b\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u4e00\u500b\u9ad8\u6548\u7684\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-AFJDbTirEY\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u7684\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u80fd\uff1a<\/strong>Redis \u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6642\u8868\u73fe\u51fa\u8272\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u61c9\u5c0d\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis \u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u9078\u9805\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u4fdd\u7559\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a8%ad%e8%a8%88%e9%bb%9e%e8%ae%9a%e6%8e%92%e8%a1%8c%e6%a6%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-AFJDbTirEY\">\u8a2d\u8a08\u9ede\u8b9a\u6392\u884c\u699c\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u9ede\u8b9a\u6392\u884c\u699c\u7684\u57fa\u672c\u601d\u8def\u662f\u5c07\u6bcf\u500b\u5167\u5bb9\u7684\u9ede\u8b9a\u6578\u91cf\u5b58\u5132\u5728 Redis \u4e2d\uff0c\u4e26\u6839\u64da\u9ede\u8b9a\u6578\u91cf\u9032\u884c\u6392\u5e8f\u3002\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-AFJDbTirEY\">1. \u8a2d\u5b9a\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u9ede\u8b9a\u6578\u91cf\u3002\u6bcf\u500b\u5167\u5bb9\u7684 ID \u4f5c\u70ba\u6709\u5e8f\u96c6\u5408\u7684\u6210\u54e1\uff0c\u9ede\u8b9a\u6578\u91cf\u4f5c\u70ba\u5206\u6578\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<pre><code>ZADD likes:content_id 1 content_id_1<\/code><\/pre>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e9%bb%9e%e8%ae%9a%e6%95%b8%e9%87%8f-AFJDbTirEY\">2. \u589e\u52a0\u9ede\u8b9a\u6578\u91cf<\/h3>\n<p>\u7576\u7528\u6236\u9ede\u8b9a\u6642\uff0c\u6211\u5011\u9700\u8981\u66f4\u65b0\u76f8\u61c9\u5167\u5bb9\u7684\u9ede\u8b9a\u6578\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528 ZINCRBY \u547d\u4ee4\u4f86\u589e\u52a0\u5206\u6578\uff1a<\/p>\n<pre><code>ZINCRBY likes:content_id 1 content_id_1<\/code><\/pre>\n<h3 id=\"3-%e7%8d%b2%e5%8f%96%e6%8e%92%e8%a1%8c%e6%a6%9c-AFJDbTirEY\">3. \u7372\u53d6\u6392\u884c\u699c<\/h3>\n<p>\u8981\u7372\u53d6\u6392\u884c\u699c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 ZREVRANGE \u547d\u4ee4\u4f86\u7372\u53d6\u6309\u9ede\u8b9a\u6578\u91cf\u6392\u5e8f\u7684\u5167\u5bb9 ID \u5217\u8868\uff1a<\/p>\n<pre><code>ZREVRANGE likes:content_id 0 9 WITHSCORES<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u9ede\u8b9a\u6578\u91cf\u6700\u9ad8\u7684\u524d\u5341\u500b\u5167\u5bb9\u53ca\u5176\u5c0d\u61c9\u7684\u9ede\u8b9a\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-AFJDbTirEY\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Python \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u589e\u52a0\u9ede\u8b9a\ndef like_content(content_id):\n    r.zincrby('likes', 1, content_id)\n\n# \u7372\u53d6\u6392\u884c\u699c\ndef get_top_likes():\n    return r.zrevrange('likes', 0, 9, withscores=True)\n\n# \u4f7f\u7528\u793a\u4f8b\nlike_content('content_1')\nlike_content('content_2')\nprint(get_top_likes())  # \u8f38\u51fa\u6392\u884c\u699c\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-AFJDbTirEY\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd\u6642\uff0c\u9084\u9700\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9632\u6b62\u91cd\u8907\u9ede\u8b9a\uff1a<\/strong>\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u7528\u6236\u5c0d\u5167\u5bb9\u7684\u9ede\u8b9a\u8a18\u9304\u4f86\u9632\u6b62\u91cd\u8907\u9ede\u8b9a\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\uff0c\u9700\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528 Redis \u7684\u96c6\u7fa4\u6a21\u5f0f\u4f86\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AFJDbTirEY\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd\u4e0d\u50c5\u9ad8\u6548\uff0c\u9084\u80fd\u5920\u9748\u6d3b\u61c9\u5c0d\u4e0d\u540c\u7684\u9700\u6c42\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u7d50\u69cb\u8a2d\u8a08\u548c\u547d\u4ee4\u4f7f\u7528\uff0c\u53ef\u4ee5\u8f15\u9b06\u69cb\u5efa\u51fa\u4e00\u500b\u6027\u80fd\u512a\u8d8a\u7684\u9ede\u8b9a\u7cfb\u7d71\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u6392\u884c\u699c\u529f\u80fd\uff0c\u5feb\u901f\u9ad8\u6548\u5730\u7ba1\u7406\u7528\u6236\u9ede\u8b9a\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-128405","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128405","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=128405"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128405\/revisions"}],"predecessor-version":[{"id":128406,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128405\/revisions\/128406"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}