{"id":169247,"date":"2024-11-06T18:34:21","date_gmt":"2024-11-06T10:34:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/169247\/"},"modified":"2024-11-06T18:34:21","modified_gmt":"2024-11-06T10:34:21","slug":"%e7%a7%92%e6%ae%ba%e7%af%80%e5%a5%8f%e5%8a%a0%e9%80%9f%ef%bc%8credis%e5%8a%a9%e5%8a%9b%e7%a7%92%e6%ae%ba%e9%a0%85%e7%9b%ae%ef%bc%88redis%e7%a7%92%e6%ae%ba%e9%a0%85%e7%9b%ae%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/169247\/","title":{"rendered":"\u79d2\u6bba\u7bc0\u594f\u52a0\u901f\uff0cRedis\u52a9\u529b\u79d2\u6bba\u9805\u76ee\uff08redis\u79d2\u6bba\u9805\u76ee\uff09"},"content":{"rendered":"<h1 id=\"%e7%a7%92%e6%ae%ba%e7%af%80%e5%a5%8f%e5%8a%a0%e9%80%9f%ef%bc%8credis%e5%8a%a9%e5%8a%9b%e7%a7%92%e6%ae%ba%e9%a0%85%e7%9b%ae-uENMslIqwl\">\u79d2\u6bba\u7bc0\u594f\u52a0\u901f\uff0cRedis\u52a9\u529b\u79d2\u6bba\u9805\u76ee<\/h1>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u7684\u4e16\u754c\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u548c\u4fc3\u9032\u92b7\u552e\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9019\u985e\u6d3b\u52d5\u901a\u5e38\u6d89\u53ca\u9650\u6642\u512a\u60e0\uff0c\u4e26\u4e14\u56e0\u5176\u9ad8\u9700\u6c42\u800c\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u904e\u8f09\u3002\u70ba\u4e86\u61c9\u5c0d\u9019\u7a2e\u6311\u6230\uff0c\u8a31\u591a\u4f01\u696d\u9078\u64c7\u4f7f\u7528Redis\u4f5c\u70ba\u5176\u5f8c\u7aef\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u5728\u79d2\u6bba\u9805\u76ee\u4e2d\u7684\u61c9\u7528\u53ca\u5176\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-uENMslIqwl\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u7528\u65bc\u7de9\u5b58\u548c\u6578\u64da\u5b58\u5132\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u4e26\u4e14\u5177\u6709\u6975\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\u3002\u9019\u4f7f\u5f97Redis\u6210\u70ba\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u7684\u7406\u60f3\u9078\u64c7\uff0c\u7279\u5225\u662f\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u3002<\/p>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e9%a0%85%e7%9b%ae%e7%9a%84%e6%8c%91%e6%88%b0-uENMslIqwl\">\u79d2\u6bba\u9805\u76ee\u7684\u6311\u6230<\/h2>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u901a\u5e38\u6703\u9762\u81e8\u4ee5\u4e0b\u5e7e\u500b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u79d2\u6bba\u958b\u59cb\u7684\u77ac\u9593\uff0c\u6578\u4ee5\u5343\u8a08\u7684\u7528\u6236\u540c\u6642\u767c\u8d77\u8acb\u6c42\uff0c\u9019\u5c0d\u7cfb\u7d71\u7684\u627f\u8f09\u80fd\u529b\u63d0\u51fa\u4e86\u6975\u9ad8\u7684\u8981\u6c42\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u662f\u53e6\u4e00\u500b\u6311\u6230\u3002<\/li>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u5982\u679c\u5f8c\u7aef\u6578\u64da\u5eab\u7121\u6cd5\u5feb\u901f\u97ff\u61c9\u8acb\u6c42\uff0c\u5c07\u5c0e\u81f4\u7528\u6236\u9ad4\u9a57\u4e0b\u964d\uff0c\u751a\u81f3\u53ef\u80fd\u9020\u6210\u7cfb\u7d71\u5d29\u6f70\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e5%84%aa%e5%8b%a2-uENMslIqwl\">Redis\u7684\u512a\u52e2<\/h2>\n<p>Redis\u5728\u79d2\u6bba\u9805\u76ee\u4e2d\u63d0\u4f9b\u4e86\u591a\u7a2e\u512a\u52e2\uff0c\u5e6b\u52a9\u4f01\u696d\u6709\u6548\u61c9\u5c0d\u4e0a\u8ff0\u6311\u6230\uff1a<\/p>\n<h3 id=\"1-%e9%ab%98%e6%80%a7%e8%83%bd-uENMslIqwl\">1. \u9ad8\u6027\u80fd<\/h3>\n<p>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u901f\u5ea6\u8655\u7406\u8acb\u6c42\u3002\u9019\u5c0d\u65bc\u79d2\u6bba\u6d3b\u52d5\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u7528\u6236\u5e0c\u671b\u80fd\u5920\u5feb\u901f\u7372\u5f97\u5546\u54c1\u3002<\/p>\n<h3 id=\"2-%e6%94%af%e6%8c%81%e9%ab%98%e4%b8%a6%e7%99%bc-uENMslIqwl\">2. \u652f\u6301\u9ad8\u4e26\u767c<\/h3>\n<p>Redis\u80fd\u5920\u540c\u6642\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u9ad8\u4e26\u767c\u5834\u666f\u7684\u7406\u60f3\u9078\u64c7\u3002\u901a\u904e\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e9%9d%88%e6%b4%bb%e6%80%a7-uENMslIqwl\">3. \u6578\u64da\u7d50\u69cb\u9748\u6d3b\u6027<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u4f86\u7ba1\u7406\u79d2\u6bba\u5546\u54c1\u7684\u5eab\u5b58\uff0c\u4f7f\u7528\u54c8\u5e0c\u4f86\u5b58\u5132\u7528\u6236\u7684\u8a02\u55ae\u4fe1\u606f\u3002<\/p>\n<h3 id=\"4-%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-uENMslIqwl\">4. \u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u975e\u5e38\u91cd\u8981\u3002\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u6e1b\u5c11\u7af6\u722d\u689d\u4ef6\uff0c\u78ba\u4fdd\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u90fd\u80fd\u6b63\u78ba\u8655\u7406\u3002<\/p>\n<h2 id=\"redis%e5%9c%a8%e7%a7%92%e6%ae%ba%e9%a0%85%e7%9b%ae%e4%b8%ad%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-uENMslIqwl\">Redis\u5728\u79d2\u6bba\u9805\u76ee\u4e2d\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u79d2\u6bba\u529f\u80fd\uff1a<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u79d2\u6bba\u5546\u54c1\u7684\u5eab\u5b58\nSET stock:product_id 100\n\n# \u7528\u6236\u8acb\u6c42\u79d2\u6bba\u5546\u54c1\nif (DECR stock:product_id) &gt;= 0:\n    # \u6210\u529f\u7372\u5f97\u5546\u54c1\n    # \u8655\u7406\u8a02\u55ae\nelse:\n    # \u5eab\u5b58\u4e0d\u8db3\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86Redis\u7684DECR\u547d\u4ee4\u4f86\u6e1b\u5c11\u5eab\u5b58\u6578\u91cf\u3002\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u78ba\u4fdd\u4e86\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-uENMslIqwl\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u61c9\u5c0d\u79d2\u6bba\u9805\u76ee\u4e2d\u7684\u5404\u7a2e\u6311\u6230\u3002\u5176\u9ad8\u4e26\u767c\u8655\u7406\u80fd\u529b\u3001\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u539f\u5b50\u64cd\u4f5c\u7279\u6027\uff0c\u4f7f\u5f97\u4f01\u696d\u80fd\u5920\u5728\u6fc0\u70c8\u7684\u5e02\u5834\u7af6\u722d\u4e2d\u812b\u7a4e\u800c\u51fa\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u79d2\u6bba\u6d3b\u52d5\u6027\u80fd\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u79d2\u6bba\u7bc0\u594f\u52a0\u901f\uff0cRedis\u52a9\u529b\u79d2\u6bba\u9805\u76ee\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u9ad8\u4e26\u767c\u4e0b\u7684\u7a69\u5b9a\u6027\u8207\u97ff\u61c9\u901f\u5ea6\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-169247","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169247","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=169247"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169247\/revisions"}],"predecessor-version":[{"id":169248,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/169247\/revisions\/169248"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=169247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=169247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=169247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}