{"id":125143,"date":"2024-10-25T20:10:25","date_gmt":"2024-10-25T12:10:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125143\/"},"modified":"2024-10-25T20:10:26","modified_gmt":"2024-10-25T12:10:26","slug":"redis-%e8%a7%a3%e6%b1%ba-php-%e8%b6%85%e8%b3%a3%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125143\/","title":{"rendered":"Redis \u89e3\u6c7a PHP \u8d85\u8ce3\u554f\u984c"},"content":{"rendered":"

Redis \u89e3\u6c7a PHP \u8d85\u8ce3\u554f\u984c<\/h1>\n

\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u8d85\u8ce3\u554f\u984c\u662f\u4e00\u500b\u5e38\u898b\u7684\u6311\u6230\u3002\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u5617\u8a66\u8cfc\u8cb7\u540c\u4e00\u5546\u54c1\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u5eab\u5b58\uff0c\u5c0e\u81f4\u8d85\u8ce3\u60c5\u6cc1\u7684\u767c\u751f\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u53ef\u80fd\u5c0d\u5546\u5bb6\u7684\u4fe1\u8b7d\u9020\u6210\u640d\u5bb3\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u4f3a\u670d\u5668\uff0c\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u8d85\u8ce3\u554f\u984c\uff1f<\/h2>\n

\u8d85\u8ce3\u554f\u984c\u6307\u7684\u662f\u5728\u5eab\u5b58\u7ba1\u7406\u4e2d\uff0c\u7cfb\u7d71\u5141\u8a31\u8d85\u904e\u5be6\u969b\u53ef\u7528\u5eab\u5b58\u7684\u5546\u54c1\u88ab\u8a02\u8cfc\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f8b\u5982\u4fc3\u92b7\u6d3b\u52d5\u6216\u9650\u91cf\u5546\u54c1\u7684\u767c\u552e\u3002\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u4e0b\u55ae\u6642\uff0c\u7cfb\u7d71\u53ef\u80fd\u7121\u6cd5\u53ca\u6642\u66f4\u65b0\u5eab\u5b58\u72c0\u614b\uff0c\u5c0e\u81f4\u8d85\u8ce3\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\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\u80fd\u5920\u5728\u5167\u5b58\u4e2d\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u3002\u9019\u4f7f\u5f97 Redis \u6210\u70ba\u89e3\u6c7a\u8d85\u8ce3\u554f\u984c\u7684\u7406\u60f3\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u8acb\u6c42\u3002<\/p>\n

\u4f7f\u7528 Redis \u89e3\u6c7a\u8d85\u8ce3\u554f\u984c\u7684\u7b56\u7565<\/h2>\n

1. \u9396\u5b9a\u6a5f\u5236<\/h3>\n

\u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u9396\u5b9a\u6a5f\u5236\u4f86\u9632\u6b62\u540c\u6642\u8a2a\u554f\u5eab\u5b58\u6578\u64da\u3002\u7576\u7528\u6236\u5617\u8a66\u8cfc\u8cb7\u5546\u54c1\u6642\uff0c\u9996\u5148\u9700\u8981\u7372\u53d6\u4e00\u500b\u9396\uff0c\u9019\u6a23\u5176\u4ed6\u8acb\u6c42\u5c31\u7121\u6cd5\u540c\u6642\u8a2a\u554f\u5eab\u5b58\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

\n$redis = new Redis();\n$redis->connect('127.0.0.1', 6379);\n\n\/\/ \u5617\u8a66\u7372\u53d6\u9396\n$lock = $redis->set('lock:product_id', 'locked', ['nx', 'ex' => 5]);\n\nif ($lock) {\n    \/\/ \u7372\u53d6\u9396\u6210\u529f\uff0c\u57f7\u884c\u5eab\u5b58\u6aa2\u67e5\u548c\u66f4\u65b0\n    $stock = $redis->get('stock:product_id');\n    if ($stock > 0) {\n        \/\/ \u66f4\u65b0\u5eab\u5b58\n        $redis->decr('stock:product_id');\n        \/\/ \u8655\u7406\u8a02\u55ae\n    } else {\n        \/\/ \u5eab\u5b58\u4e0d\u8db3\n    }\n    \/\/ \u91cb\u653e\u9396\n    $redis->del('lock:product_id');\n} else {\n    \/\/ \u9396\u5df2\u88ab\u5176\u4ed6\u8acb\u6c42\u7372\u53d6\uff0c\u7a0d\u5f8c\u91cd\u8a66\n}\n<\/code><\/pre>\n
2. \u4f7f\u7528\u539f\u5b50\u64cd\u4f5c<\/h3>\n
Redis \u63d0\u4f9b\u4e86\u539f\u5b50\u64cd\u4f5c\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u78ba\u4fdd\u5728\u591a\u500b\u8acb\u6c42\u4e4b\u9593\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 DECR<\/code> \u547d\u4ee4\u4f86\u6e1b\u5c11\u5eab\u5b58\uff0c\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n
\n$stock = $redis->decr('stock:product_id');\nif ($stock incr('stock:product_id');\n    \/\/ \u8655\u7406\u5eab\u5b58\u4e0d\u8db3\u7684\u60c5\u6cc1\n}\n<\/code><\/pre>\n
3. \u4f7f\u7528\u968a\u5217\u8655\u7406\u8acb\u6c42<\/h3>\n
\u53e6\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\u662f\u4f7f\u7528 Redis \u7684\u5217\u8868\u7d50\u69cb\u4f5c\u70ba\u8acb\u6c42\u968a\u5217\u3002\u7576\u7528\u6236\u4e0b\u55ae\u6642\uff0c\u5c07\u8acb\u6c42\u653e\u5165\u968a\u5217\u4e2d\uff0c\u7136\u5f8c\u7531\u5de5\u4f5c\u9032\u7a0b\u9010\u4e00\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u540c\u6642\u8a2a\u554f\u5eab\u5b58\u7684\u8acb\u6c42\u6578\u91cf\u3002<\/p>\n
\n$redis->lpush('order_queue', json_encode($order));\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u8d85\u8ce3\u554f\u984c\u5c0d\u65bc\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4f86\u8aaa\u662f\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\uff0c\u800c Redis \u63d0\u4f9b\u7684\u9ad8\u6548\u6578\u64da\u8655\u7406\u80fd\u529b\u548c\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\u4f7f\u5176\u6210\u70ba\u89e3\u6c7a\u6b64\u554f\u984c\u7684\u7406\u60f3\u9078\u64c7\u3002\u901a\u904e\u4f7f\u7528\u9396\u5b9a\u6a5f\u5236\u3001\u539f\u5b50\u64cd\u4f5c\u548c\u8acb\u6c42\u968a\u5217\u7b49\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5eab\u5b58\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u9ad8\u6d41\u91cf\u7684\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u89e3\u6c7a PHP \u8d85\u8ce3\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u5eab\u5b58\u7ba1\u7406\u7684\u6e96\u78ba\u6027\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-125143","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125143","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=125143"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125143\/revisions"}],"predecessor-version":[{"id":125144,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125143\/revisions\/125144"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}