{"id":184882,"date":"2024-11-10T16:55:20","date_gmt":"2024-11-10T08:55:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184882\/"},"modified":"2024-11-10T16:55:21","modified_gmt":"2024-11-10T08:55:21","slug":"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%9a%84%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184882\/","title":{"rendered":"\u4f7f\u7528Redis\u5be6\u73fe\u7684\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\uff08redis\u79d2\u6bba\u9396\u5eab\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%9a%84%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%e7%b3%bb%e7%b5%b1%ef%bc%88redis%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%ef%bc%89-HheMBgETRS\">\u4f7f\u7528Redis\u5be6\u73fe\u7684\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\uff08redis\u79d2\u6bba\u9396\u5eab\u5b58\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u548c\u4fc3\u9032\u92b7\u552e\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u96a8\u8457\u79d2\u6bba\u6d3b\u52d5\u7684\u6d41\u884c\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u5eab\u5b58\u4e26\u9632\u6b62\u8d85\u8ce3\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7406\u60f3\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u5be6\u73fe\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u69cb\u5efa\u4e00\u500b\u9ad8\u6548\u7684\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%e7%b3%bb%e7%b5%b1%ef%bc%9f-HheMBgETRS\">\u4ec0\u9ebc\u662f\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\uff1f<\/h2>\n<p>\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u9650\u91cf\u5546\u54c1\u92b7\u552e\u7684\u6280\u8853\u3002\u7576\u7528\u6236\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u6436\u8cfc\u5546\u54c1\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u78ba\u4fdd\u5eab\u5b58\u6578\u91cf\u7684\u6e96\u78ba\u6027\uff0c\u907f\u514d\u56e0\u70ba\u540c\u6642\u6709\u5927\u91cf\u7528\u6236\u4e0b\u55ae\u800c\u5c0e\u81f4\u7684\u8d85\u8ce3\u60c5\u6cc1\u3002\u9019\u7a2e\u7cfb\u7d71\u901a\u5e38\u9700\u8981\u5177\u5099\u9ad8\u4e26\u767c\u8655\u7406\u80fd\u529b\u548c\u5feb\u901f\u97ff\u61c9\u6642\u9593\uff0c\u4ee5\u6eff\u8db3\u7528\u6236\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-HheMBgETRS\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u5728\u5167\u5b58\u4e2d\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002<\/li>\n<li><strong>\u652f\u6301\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u6709\u6548\u5730\u907f\u514d\u6578\u64da\u7af6\u722d\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a7%92%e6%ae%ba%e9%8e%96%e5%ba%ab%e5%ad%98%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-HheMBgETRS\">\u5be6\u73fe\u79d2\u6bba\u9396\u5eab\u5b58\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u7684\u57fa\u672c\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5728Redis\u4e2d\u8a2d\u7f6e\u5546\u54c1\u7684\u5eab\u5b58\u6578\u91cf\u3002<\/li>\n<li>\u7576\u7528\u6236\u767c\u8d77\u79d2\u6bba\u8acb\u6c42\u6642\uff0c\u9996\u5148\u6aa2\u67e5\u5eab\u5b58\u662f\u5426\u8db3\u5920\u3002<\/li>\n<li>\u5982\u679c\u5eab\u5b58\u8db3\u5920\uff0c\u5247\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u6e1b\u5c11\u5eab\u5b58\u6578\u91cf\u3002<\/li>\n<li>\u5982\u679c\u5eab\u5b58\u4e0d\u8db3\uff0c\u5247\u8fd4\u56de\u932f\u8aa4\u4fe1\u606f\u3002<\/li>\n<\/ol>\n<h2 id=\"%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-HheMBgETRS\">\u4ee3\u78bc\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f7f\u7528Redis\u5be6\u73fe\u79d2\u6bba\u9396\u5eab\u5b58\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u5546\u54c1\u5eab\u5b58\nr.set('product:stock', 100)\n\ndef seckill(user_id):\n    # \u958b\u59cb\u79d2\u6bba\n    stock = r.get('product:stock')\n    \n    if int(stock) &gt; 0:\n        # \u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u6e1b\u5c11\u5eab\u5b58\n        r.decr('product:stock')\n        print(f\"\u7528\u6236 {user_id} \u6210\u529f\u6436\u8cfc\u5546\u54c1\uff01\")\n    else:\n        print(f\"\u7528\u6236 {user_id} \u62b1\u6b49\uff0c\u5546\u54c1\u5df2\u552e\u7f44\uff01\")\n\n# \u6a21\u64ec\u591a\u500b\u7528\u6236\u6436\u8cfc\nfor i in range(1, 110):\n    seckill(i)\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HheMBgETRS\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u6642\uff0c\u9084\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9632\u6b62\u8d85\u8ce3\uff1a<\/strong>\u78ba\u4fdd\u5728\u6e1b\u5c11\u5eab\u5b58\u6642\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u591a\u500b\u8acb\u6c42\u540c\u6642\u6e1b\u5c11\u5eab\u5b58\u5c0e\u81f4\u7684\u8d85\u8ce3\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5c0d\u65bc\u5eab\u5b58\u4e0d\u8db3\u7684\u60c5\u6cc1\uff0c\u61c9\u8a72\u6709\u6e05\u6670\u7684\u932f\u8aa4\u63d0\u793a\uff0c\u4e26\u8003\u616e\u91cd\u8a66\u6a5f\u5236\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9032\u4e00\u6b65\u512a\u5316Redis\u7684\u914d\u7f6e\u548c\u4f7f\u7528\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HheMBgETRS\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u7684\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u96fb\u5b50\u5546\u52d9\u4e2d\u7684\u9650\u91cf\u5546\u54c1\u92b7\u552e\uff0c\u907f\u514d\u8d85\u8ce3\u60c5\u6cc1\u7684\u767c\u751f\u3002\u901a\u904eRedis\u7684\u9ad8\u6027\u80fd\u548c\u539f\u5b50\u64cd\u4f5c\u7279\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u69cb\u5efa\u51fa\u4e00\u500b\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u79d2\u6bba\u7cfb\u7d71\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u4e26\u767c\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u6d41\u91cf\u4e0b\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4f7f\u7528Redis\u5be6\u73fe\u7684\u79d2\u6bba\u9396\u5eab\u5b58\u7cfb\u7d71\uff0c\u63d0\u5347\u5546\u54c1\u6436\u8cfc\u6548\u7387\uff0c\u78ba\u4fdd\u5eab\u5b58\u5b89\u5168\uff0c\u907f\u514d\u8d85\u8ce3\u554f\u984c\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-184882","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184882","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=184882"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184882\/revisions"}],"predecessor-version":[{"id":184883,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184882\/revisions\/184883"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}