{"id":126405,"date":"2024-10-26T04:27:30","date_gmt":"2024-10-25T20:27:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126405\/"},"modified":"2024-10-26T04:27:31","modified_gmt":"2024-10-25T20:27:31","slug":"redis-%e7%a7%92%e6%ae%ba%e8%88%87%e9%99%90%e9%87%8f%e8%b3%bc%e8%b2%b7%e7%a9%8d%e6%a5%b5%e5%af%a6%e8%b8%90%e6%9b%b4%e5%a5%bd%e4%ba%ab%e5%8f%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126405\/","title":{"rendered":"Redis \u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u7a4d\u6975\u5be6\u8e10\u66f4\u597d\u4eab\u53d7"},"content":{"rendered":"<h1 id=\"redis-%e7%a7%92%e6%ae%ba%e8%88%87%e9%99%90%e9%87%8f%e8%b3%bc%e8%b2%b7%e7%a9%8d%e6%a5%b5%e5%af%a6%e8%b8%90%e6%9b%b4%e5%a5%bd%e4%ba%ab%e5%8f%97-nqOdwedkFr\">Redis \u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u7a4d\u6975\u5be6\u8e10\u66f4\u597d\u4eab\u53d7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u5df2\u6210\u70ba\u5438\u5f15\u6d88\u8cbb\u8005\u7684\u91cd\u8981\u7b56\u7565\u3002\u9019\u4e9b\u7b56\u7565\u4e0d\u50c5\u80fd\u5920\u63d0\u5347\u92b7\u552e\u91cf\uff0c\u9084\u80fd\u5920\u589e\u52a0\u54c1\u724c\u7684\u66dd\u5149\u7387\u3002\u7136\u800c\uff0c\u96a8\u8457\u9700\u6c42\u7684\u6fc0\u589e\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u6d3b\u52d5\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u7684\u5be6\u8e10\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-nqOdwedkFr\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u4e2d\u3002\u7279\u5225\u662f\u5728\u79d2\u6bba\u548c\u9650\u91cf\u8cfc\u8cb7\u7684\u60c5\u5883\u4e0b\uff0cRedis \u7684\u512a\u52e2\u5c24\u70ba\u660e\u986f\u3002<\/p>\n<h2 id=\"%e7%a7%92%e6%ae%ba%e8%88%87%e9%99%90%e9%87%8f%e8%b3%bc%e8%b2%b7%e7%9a%84%e6%8c%91%e6%88%b0-nqOdwedkFr\">\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\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\u6d3b\u52d5\u958b\u59cb\u7684\u77ac\u9593\uff0c\u6578\u4ee5\u5343\u8a08\u7684\u7528\u6236\u540c\u6642\u767c\u8d77\u8acb\u6c42\uff0c\u9019\u5c0d\u5f8c\u7aef\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\u5eab\u5b58\u6578\u64da\u7684\u6e96\u78ba\u6027\u662f\u53e6\u4e00\u500b\u6311\u6230\u3002<\/li>\n<li><strong>\u7528\u6236\u9ad4\u9a57\uff1a<\/strong>\u7528\u6236\u5728\u79d2\u6bba\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u5ef6\u9072\u6216\u932f\u8aa4\uff0c\u9019\u6703\u5f71\u97ff\u4ed6\u5011\u7684\u8cfc\u8cb7\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%9c%a8%e7%a7%92%e6%ae%ba%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-nqOdwedkFr\">Redis \u5728\u79d2\u6bba\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0c\u8a31\u591a\u4f01\u696d\u9078\u64c7\u4f7f\u7528 Redis \u4f86\u7ba1\u7406\u79d2\u6bba\u6d3b\u52d5\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u61c9\u7528\u65b9\u5f0f\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redis-%e9%8e%96%e4%be%86%e6%8e%a7%e5%88%b6%e4%b8%a6%e7%99%bc-nqOdwedkFr\">1. \u4f7f\u7528 Redis \u9396\u4f86\u63a7\u5236\u4e26\u767c<\/h3>\n<p>\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u5206\u5e03\u5f0f\u9396\u4f86\u63a7\u5236\u4e26\u767c\u8acb\u6c42\u3002\u7576\u7528\u6236\u767c\u8d77\u8cfc\u8cb7\u8acb\u6c42\u6642\uff0c\u9996\u5148\u7372\u53d6\u9396\uff0c\u6210\u529f\u7372\u53d6\u9396\u5f8c\u518d\u9032\u884c\u5eab\u5b58\u6aa2\u67e5\u548c\u6263\u6e1b\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u8d85\u8ce3\u7684\u60c5\u6cc1\u3002<\/p>\n<pre><code>\nSETNX lock_key user_id\nEXPIRE lock_key 5\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e5%88%97%e8%a1%a8%e4%be%86%e7%ae%a1%e7%90%86%e8%ab%8b%e6%b1%82%e9%9a%8a%e5%88%97-nqOdwedkFr\">2. \u4f7f\u7528 Redis \u5217\u8868\u4f86\u7ba1\u7406\u8acb\u6c42\u968a\u5217<\/h3>\n<p>\u7576\u79d2\u6bba\u6d3b\u52d5\u958b\u59cb\u6642\uff0c\u53ef\u4ee5\u5c07\u7528\u6236\u7684\u8acb\u6c42\u653e\u5165 Redis \u5217\u8868\u4e2d\uff0c\u7136\u5f8c\u9010\u4e00\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u63a7\u5236\u8acb\u6c42\u7684\u8655\u7406\u901f\u5ea6\uff0c\u907f\u514d\u7cfb\u7d71\u904e\u8f09\u3002<\/p>\n<pre><code>\nLPUSH request_queue user_id\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-redis-%e8%a8%88%e6%95%b8%e5%99%a8%e4%be%86%e7%ae%a1%e7%90%86%e5%ba%ab%e5%ad%98-nqOdwedkFr\">3. \u4f7f\u7528 Redis \u8a08\u6578\u5668\u4f86\u7ba1\u7406\u5eab\u5b58<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u8a08\u6578\u5668\u4f86\u7ba1\u7406\u5eab\u5b58\u6578\u91cf\u3002\u6bcf\u7576\u7528\u6236\u6210\u529f\u8cfc\u8cb7\u4e00\u500b\u5546\u54c1\u6642\uff0c\u5eab\u5b58\u6578\u91cf\u6e1b\u5c11\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u6642\u53cd\u6620\u5eab\u5b58\u72c0\u614b\u3002<\/p>\n<pre><code>\nDECR stock_key\n<\/code><\/pre>\n<h2 id=\"%e9%99%90%e9%87%8f%e8%b3%bc%e8%b2%b7%e7%9a%84%e5%af%a6%e8%b8%90-nqOdwedkFr\">\u9650\u91cf\u8cfc\u8cb7\u7684\u5be6\u8e10<\/h2>\n<p>\u9650\u91cf\u8cfc\u8cb7\u7684\u5be6\u8e10\u8207\u79d2\u6bba\u985e\u4f3c\uff0c\u4f46\u901a\u5e38\u6703\u6709\u66f4\u9577\u7684\u6642\u9593\u7a97\u53e3\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0cRedis \u4ecd\u7136\u53ef\u4ee5\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u901a\u904e\u8a2d\u7f6e\u9650\u8cfc\u6578\u91cf\u548c\u6642\u9593\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u8cb7\u884c\u70ba\u3002<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e7%94%a8%e6%88%b6%e9%99%90%e8%b3%bc%e6%95%b8%e9%87%8f-nqOdwedkFr\">1. \u8a2d\u7f6e\u7528\u6236\u9650\u8cfc\u6578\u91cf<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u54c8\u5e0c\u7d50\u69cb\u4f86\u8a18\u9304\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u8cb7\u6578\u91cf\uff0c\u4e26\u5728\u7528\u6236\u9054\u5230\u9650\u8cfc\u6578\u91cf\u6642\u62d2\u7d55\u5176\u5f8c\u7e8c\u8acb\u6c42\u3002<\/p>\n<pre><code>\nHINCRBY user_purchase_count user_id 1\n<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e8%b3%bc%e8%b2%b7%e6%99%82%e9%96%93%e7%aa%97%e5%8f%a3-nqOdwedkFr\">2. \u8a2d\u7f6e\u8cfc\u8cb7\u6642\u9593\u7a97\u53e3<\/h3>\n<p>\u901a\u904e Redis \u7684\u904e\u671f\u529f\u80fd\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u6bcf\u500b\u7528\u6236\u7684\u8cfc\u8cb7\u6642\u9593\u7a97\u53e3\uff0c\u78ba\u4fdd\u5728\u7279\u5b9a\u6642\u9593\u5167\u7528\u6236\u53ea\u80fd\u9032\u884c\u6709\u9650\u7684\u8cfc\u8cb7\u884c\u70ba\u3002<\/p>\n<pre><code>\nSETEX purchase_window user_id 3600\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nqOdwedkFr\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u4e2d\uff0c\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u6d3b\u52d5\u7684\u6210\u529f\u5be6\u65bd\u4f9d\u8cf4\u65bc\u9ad8\u6548\u7684\u6280\u8853\u652f\u6301\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u9ad8\u4e26\u767c\u8acb\u6c42\u3001\u6578\u64da\u4e00\u81f4\u6027\u548c\u7528\u6236\u9ad4\u9a57\u7b49\u6311\u6230\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528 Redis \u7684\u5404\u7a2e\u529f\u80fd\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u6d3b\u52d5\uff0c\u63d0\u5347\u7528\u6236\u7684\u8cfc\u7269\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5728\u79d2\u6bba\u8207\u9650\u91cf\u8cfc\u8cb7\u4e2d\u7684\u61c9\u7528\uff0c\u63d0\u5347\u8cfc\u7269\u9ad4\u9a57\uff0c\u8b93\u60a8\u66f4\u8f15\u9b06\u4eab\u53d7\u6436\u8cfc\u7684\u6a02\u8da3\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-126405","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126405","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=126405"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126405\/revisions"}],"predecessor-version":[{"id":126406,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126405\/revisions\/126406"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}