{"id":163807,"date":"2024-11-05T02:35:20","date_gmt":"2024-11-04T18:35:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163807\/"},"modified":"2024-11-05T02:35:21","modified_gmt":"2024-11-04T18:35:21","slug":"%e8%a7%a3%e6%b1%ba%e7%a7%92%e6%ae%ba%e5%88%a9%e7%94%a8redis%e9%81%94%e5%88%b0%e7%9e%ac%e9%96%93%e5%ae%8c%e6%88%90%ef%bc%88%e6%80%8e%e6%a8%a3%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%a7%92%e6%ae%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163807\/","title":{"rendered":"\u89e3\u6c7a\u79d2\u6bba\u5229\u7528Redis\u9054\u5230\u77ac\u9593\u5b8c\u6210\uff08\u600e\u6a23\u7528redis\u89e3\u6c7a\u79d2\u6bba\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%ba%e7%a7%92%e6%ae%ba%e5%88%a9%e7%94%a8redis%e9%81%94%e5%88%b0%e7%9e%ac%e9%96%93%e5%ae%8c%e6%88%90%ef%bc%88%e6%80%8e%e6%a8%a3%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%a7%92%e6%ae%ba%ef%bc%89-xisCeWIPvc\">\u89e3\u6c7a\u79d2\u6bba\u5229\u7528Redis\u9054\u5230\u77ac\u9593\u5b8c\u6210\uff08\u600e\u6a23\u7528redis\u89e3\u6c7a\u79d2\u6bba\uff09<\/h1>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u7684\u4e16\u754c\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u7684\u91cd\u8981\u624b\u6bb5\u3002\u7136\u800c\uff0c\u96a8\u8457\u53c3\u8207\u8005\u7684\u6fc0\u589e\uff0c\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u512a\u79c0\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u61c9\u5c0d\u9019\u4e00\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u79d2\u6bba\u6d3b\u52d5\u7684\u77ac\u9593\u5b8c\u6210\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%a7%92%e6%ae%ba%ef%bc%9f-xisCeWIPvc\">\u4ec0\u9ebc\u662f\u79d2\u6bba\uff1f<\/h2>\n<p>\u79d2\u6bba\u662f\u4e00\u7a2e\u4fc3\u92b7\u6d3b\u52d5\uff0c\u901a\u5e38\u5728\u7279\u5b9a\u6642\u9593\u5167\u4ee5\u6975\u4f4e\u7684\u50f9\u683c\u51fa\u552e\u6709\u9650\u7684\u5546\u54c1\u3002\u7531\u65bc\u5546\u54c1\u6578\u91cf\u6709\u9650\uff0c\u53c3\u8207\u8005\u9700\u8981\u5728\u77ed\u6642\u9593\u5167\u6436\u8cfc\uff0c\u9019\u5c0e\u81f4\u4e86\u5927\u91cf\u7684\u8acb\u6c42\u6e67\u5165\u4f3a\u670d\u5668\u3002\u5982\u679c\u4f3a\u670d\u5668\u7121\u6cd5\u6709\u6548\u8655\u7406\u9019\u4e9b\u8acb\u6c42\uff0c\u5c07\u6703\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u6216\u7528\u6236\u9ad4\u9a57\u4e0d\u4f73\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e9%bb%9e-xisCeWIPvc\">Redis\u7684\u7279\u9ede<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff0c\u4f7f\u5176\u6210\u70ba\u79d2\u6bba\u6d3b\u52d5\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u61c9\u5c0d\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>\u96d6\u7136Redis\u4e3b\u8981\u662f\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u4e5f\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u4e26\u5be6\u73fe\u5404\u7a2e\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%a7%92%e6%ae%ba%e5%95%8f%e9%a1%8c-xisCeWIPvc\">\u5982\u4f55\u4f7f\u7528Redis\u89e3\u6c7a\u79d2\u6bba\u554f\u984c<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5229\u7528Redis\u89e3\u6c7a\u79d2\u6bba\u554f\u984c\u7684\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e5%95%86%e5%93%81%e5%ba%ab%e5%ad%98-xisCeWIPvc\">1. \u8a2d\u7f6e\u5546\u54c1\u5eab\u5b58<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728Redis\u4e2d\u8a2d\u7f6e\u5546\u54c1\u7684\u5eab\u5b58\u6578\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5b57\u7b26\u4e32\u985e\u578b\u4f86\u5b58\u5132\u5eab\u5b58\u6578\u91cf\uff1a<\/p>\n<pre><code>SET product:123:stock 100<\/code><\/pre>\n<p>\u9019\u88e1\uff0c`product:123:stock`\u662f\u5546\u54c1ID\u70ba123\u7684\u5eab\u5b58\u9375\uff0c\u521d\u59cb\u5eab\u5b58\u8a2d\u7f6e\u70ba100\u3002<\/p>\n<h3 id=\"2-%e8%99%95%e7%90%86%e7%a7%92%e6%ae%ba%e8%ab%8b%e6%b1%82-xisCeWIPvc\">2. \u8655\u7406\u79d2\u6bba\u8acb\u6c42<\/h3>\n<p>\u7576\u7528\u6236\u767c\u8d77\u79d2\u6bba\u8acb\u6c42\u6642\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u5eab\u5b58\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u78ba\u4fdd\u5eab\u5b58\u7684\u6b63\u78ba\u6027\uff1a<\/p>\n<pre><code>\nif (DECR product:123:stock) &gt;= 0:\n    # \u6210\u529f\u6436\u8cfc\n    # \u8655\u7406\u8a02\u55ae\nelse:\n    # \u5eab\u5b58\u4e0d\u8db3\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c`DECR`\u547d\u4ee4\u6703\u5c07\u5eab\u5b58\u6e1b1\uff0c\u4e26\u8fd4\u56de\u6e1b\u5c11\u5f8c\u7684\u5eab\u5b58\u6578\u91cf\u3002\u5982\u679c\u5eab\u5b58\u4ecd\u7136\u5927\u65bc\u6216\u7b49\u65bc0\uff0c\u5247\u8868\u793a\u6436\u8cfc\u6210\u529f\uff1b\u5426\u5247\uff0c\u5eab\u5b58\u4e0d\u8db3\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%9a%8a%e5%88%97%e8%99%95%e7%90%86%e8%ab%8b%e6%b1%82-xisCeWIPvc\">3. \u4f7f\u7528\u968a\u5217\u8655\u7406\u8acb\u6c42<\/h3>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis\u7684\u5217\u8868\u4f86\u5be6\u73fe\u8acb\u6c42\u7684\u6392\u968a\u8655\u7406\u3002\u7576\u7528\u6236\u767c\u8d77\u8acb\u6c42\u6642\uff0c\u53ef\u4ee5\u5c07\u8acb\u6c42\u653e\u5165\u4e00\u500b\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5de5\u4f5c\u9032\u7a0b\u9010\u4e00\u8655\u7406\uff1a<\/p>\n<pre><code>LPUSH queue:product:123 request_data<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u5de5\u4f5c\u9032\u7a0b\u53ef\u4ee5\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u8acb\u6c42\u4e26\u9032\u884c\u8655\u7406\uff1a<\/p>\n<pre><code>RPOP queue:product:123<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xisCeWIPvc\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u4f86\u89e3\u6c7a\u79d2\u6bba\u554f\u984c\uff0c\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u7528\u6236\u7684\u826f\u597d\u9ad4\u9a57\u3002\u901a\u904e\u8a2d\u7f6e\u5eab\u5b58\u3001\u8655\u7406\u8acb\u6c42\u548c\u4f7f\u7528\u968a\u5217\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9ad8\u4e26\u767c\u7684\u79d2\u6bba\u6d3b\u52d5\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u5be6\u73fe\u79d2\u6bba\u6d3b\u52d5\uff0c\u5feb\u901f\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\uff0c\u78ba\u4fdd\u77ac\u9593\u5b8c\u6210\u8a02\u55ae\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u8207\u7cfb\u7d71\u6548\u7387\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-163807","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163807","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=163807"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163807\/revisions"}],"predecessor-version":[{"id":163808,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163807\/revisions\/163808"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}