{"id":128407,"date":"2024-10-26T13:55:20","date_gmt":"2024-10-26T05:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128407\/"},"modified":"2024-10-26T13:55:20","modified_gmt":"2024-10-26T05:55:20","slug":"redis-%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e5%8f%96%e6%b6%88%e5%8a%9f%e8%83%bd%e7%9a%84%e8%a8%ad%e8%a8%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128407\/","title":{"rendered":"Redis \u5be6\u73fe\u9ede\u8b9a\u53d6\u6d88\u529f\u80fd\u7684\u8a2d\u8a08"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e5%8f%96%e6%b6%88%e5%8a%9f%e8%83%bd%e7%9a%84%e8%a8%ad%e8%a8%88-bCHPoKCcvn\">Redis \u5be6\u73fe\u9ede\u8b9a\u53d6\u6d88\u529f\u80fd\u7684\u8a2d\u8a08<\/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\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff0c\u9ede\u8b9a\u529f\u80fd\u90fd\u80fd\u6709\u6548\u63d0\u5347\u7528\u6236\u53c3\u8207\u5ea6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u548c\u53d6\u6d88\u9ede\u8b9a\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u8a2d\u8a08\u601d\u8def\u548c\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"redis-%e7%b0%a1%e4%bb%8b-bCHPoKCcvn\">Redis \u7c21\u4ecb<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u5176\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 Redis \u6210\u70ba\u5be6\u73fe\u9ede\u8b9a\u529f\u80fd\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e9%bb%9e%e8%ae%9a%e5%8a%9f%e8%83%bd%e7%9a%84%e9%9c%80%e6%b1%82%e5%88%86%e6%9e%90-bCHPoKCcvn\">\u9ede\u8b9a\u529f\u80fd\u7684\u9700\u6c42\u5206\u6790<\/h2>\n<p>\u5728\u8a2d\u8a08\u9ede\u8b9a\u529f\u80fd\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u7528\u6236\u80fd\u5920\u5c0d\u5167\u5bb9\u9032\u884c\u9ede\u8b9a\u548c\u53d6\u6d88\u9ede\u8b9a\u64cd\u4f5c\u3002<\/li>\n<li>\u6bcf\u500b\u5167\u5bb9\u7684\u9ede\u8b9a\u6578\u91cf\u9700\u8981\u5be6\u6642\u66f4\u65b0\u3002<\/li>\n<li>\u7528\u6236\u7684\u9ede\u8b9a\u72c0\u614b\u9700\u8981\u6301\u4e45\u5316\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e9%81%b8%e6%93%87-bCHPoKCcvn\">Redis \u7684\u6578\u64da\u7d50\u69cb\u9078\u64c7<\/h2>\n<p>\u70ba\u4e86\u5be6\u73fe\u4e0a\u8ff0\u9700\u6c42\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u96c6\u5408\uff08Set\uff09\u4f86\u5b58\u5132\u7528\u6236\u7684\u9ede\u8b9a\u72c0\u614b\uff0c\u4e26\u4f7f\u7528\u6574\u6578\uff08Integer\uff09\u4f86\u8a18\u9304\u6bcf\u500b\u5167\u5bb9\u7684\u9ede\u8b9a\u6578\u91cf\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e8%a8%ad%e8%a8%88-bCHPoKCcvn\">\u6578\u64da\u7d50\u69cb\u8a2d\u8a08<\/h3>\n<pre><code>\n# \u7528\u6236\u9ede\u8b9a\u7684\u96c6\u5408\nSADD post:1:likes user:1\nSADD post:1:likes user:2\n\n# \u7372\u53d6\u9ede\u8b9a\u7528\u6236\u6578\u91cf\nSCARD post:1:likes\n\n# \u7372\u53d6\u7528\u6236\u662f\u5426\u5df2\u9ede\u8b9a\nSISMEMBER post:1:likes user:1\n<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e7%8f%be%e9%bb%9e%e8%ae%9a%e5%92%8c%e5%8f%96%e6%b6%88%e9%bb%9e%e8%ae%9a%e7%9a%84%e9%82%8f%e8%bc%af-bCHPoKCcvn\">\u5be6\u73fe\u9ede\u8b9a\u548c\u53d6\u6d88\u9ede\u8b9a\u7684\u908f\u8f2f<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5be6\u73fe\u9ede\u8b9a\u548c\u53d6\u6d88\u9ede\u8b9a\u7684\u5177\u9ad4\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u7684\u57fa\u672c\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"%e9%bb%9e%e8%ae%9a%e6%93%8d%e4%bd%9c-bCHPoKCcvn\">\u9ede\u8b9a\u64cd\u4f5c<\/h3>\n<pre><code>\ndef like_post(post_id, user_id):\n    # \u5c07\u7528\u6236\u6dfb\u52a0\u5230\u9ede\u8b9a\u96c6\u5408\u4e2d\n    result = redis.sadd(f'post:{post_id}:likes', user_id)\n    if result:\n        # \u66f4\u65b0\u9ede\u8b9a\u6578\u91cf\n        redis.incr(f'post:{post_id}:likes_count')\n        return True\n    return False\n<\/code><\/pre>\n<h3 id=\"%e5%8f%96%e6%b6%88%e9%bb%9e%e8%ae%9a%e6%93%8d%e4%bd%9c-bCHPoKCcvn\">\u53d6\u6d88\u9ede\u8b9a\u64cd\u4f5c<\/h3>\n<pre><code>\ndef unlike_post(post_id, user_id):\n    # \u5c07\u7528\u6236\u5f9e\u9ede\u8b9a\u96c6\u5408\u4e2d\u79fb\u9664\n    result = redis.srem(f'post:{post_id}:likes', user_id)\n    if result:\n        # \u66f4\u65b0\u9ede\u8b9a\u6578\u91cf\n        redis.decr(f'post:{post_id}:likes_count')\n        return True\n    return False\n<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%8c%81%e4%b9%85%e5%8c%96%e8%80%83%e9%87%8f-bCHPoKCcvn\">\u6578\u64da\u6301\u4e45\u5316\u8003\u91cf<\/h2>\n<p>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86\u6578\u64da\u6301\u4e45\u5316\u7684\u9078\u9805\uff0c\u5982 RDB \u548c AOF\u3002\u6839\u64da\u61c9\u7528\u9700\u6c42\uff0c\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u6301\u4e45\u5316\u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u670d\u52d9\u5668\u91cd\u555f\u800c\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-bCHPoKCcvn\">\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0cRedis \u7684\u6027\u80fd\u8868\u73fe\u512a\u7570\uff0c\u4f46\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\u4ee5\u9032\u4e00\u6b65\u512a\u5316\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7ba1\u9053\uff08Pipeline\uff09\u6280\u8853\u6279\u91cf\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u7f6e Redis \u7684\u5167\u5b58\u9650\u5236\u548c\u6dd8\u6c70\u7b56\u7565\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bCHPoKCcvn\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u548c\u53d6\u6d88\u9ede\u8b9a\u529f\u80fd\uff0c\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u5920\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002Redis \u7684\u9ad8\u6548\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\u4f7f\u5f97\u9019\u4e00\u529f\u80fd\u7684\u5be6\u73fe\u8b8a\u5f97\u7c21\u55ae\u800c\u9ad8\u6548\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u9ede\u8b9a\u8207\u53d6\u6d88\u9ede\u8b9a\u529f\u80fd\u7684\u9ad8\u6548\u8a2d\u8a08\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-128407","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128407","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=128407"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128407\/revisions"}],"predecessor-version":[{"id":128408,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128407\/revisions\/128408"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}