{"id":161503,"date":"2024-11-04T06:58:34","date_gmt":"2024-11-03T22:58:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161503\/"},"modified":"2024-11-04T06:58:35","modified_gmt":"2024-11-03T22:58:35","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e6%b6%88%e6%81%af%e5%88%86%e6%ad%a5%e6%8f%90%e4%ba%a4%e6%8a%80%e8%a1%93%e7%a0%94%e7%a9%b6%ef%bc%88redis-%e6%b6%88%e6%81%af%e5%88%86%e6%ad%a5%e6%8f%90%e4%ba%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161503\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u6280\u8853\u7814\u7a76\uff08redis \u6d88\u606f\u5206\u6b65\u63d0\u4ea4\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e6%b6%88%e6%81%af%e5%88%86%e6%ad%a5%e6%8f%90%e4%ba%a4%e6%8a%80%e8%a1%93%e7%a0%94%e7%a9%b6%ef%bc%88redis-%e6%b6%88%e6%81%af%e5%88%86%e6%ad%a5%e6%8f%90%e4%ba%a4-MlWqCzuboT\">\u57fa\u65bc Redis \u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u6280\u8853\u7814\u7a76\uff08redis \u6d88\u606f\u5206\u6b65\u63d0\u4ea4\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6d88\u606f\u968a\u5217\u6280\u8853\u5df2\u6210\u70ba\u5be6\u73fe\u7cfb\u7d71\u89e3\u8026\u548c\u63d0\u9ad8\u7cfb\u7d71\u53ef\u64f4\u5c55\u6027\u7684\u91cd\u8981\u5de5\u5177\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6d88\u606f\u968a\u5217\u529f\u80fd\uff0c\u7279\u5225\u662f\u5728\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u7684\u5834\u666f\u4e2d\uff0c\u80fd\u5920\u6709\u6548\u5730\u89e3\u6c7a\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5be6\u73fe\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b6%88%e6%81%af%e5%88%86%e6%ad%a5%e6%8f%90%e4%ba%a4%ef%bc%9f-MlWqCzuboT\">\u4ec0\u9ebc\u662f\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\uff1f<\/h2>\n<p>\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u662f\u4e00\u7a2e\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u8655\u7406\u4e8b\u52d9\u7684\u6280\u8853\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5728\u591a\u500b\u670d\u52d9\u4e4b\u9593\u5354\u8abf\u4e8b\u52d9\u7684\u63d0\u4ea4\uff0c\u78ba\u4fdd\u5728\u67d0\u4e9b\u64cd\u4f5c\u6210\u529f\u7684\u60c5\u6cc1\u4e0b\uff0c\u5176\u4ed6\u64cd\u4f5c\u4e5f\u80fd\u5920\u6210\u529f\u63d0\u4ea4\u3002\u9019\u7a2e\u6280\u8853\u7279\u5225\u9069\u7528\u65bc\u9700\u8981\u591a\u500b\u6b65\u9a5f\u7684\u696d\u52d9\u6d41\u7a0b\uff0c\u4f8b\u5982\u8a02\u55ae\u8655\u7406\u3001\u652f\u4ed8\u7cfb\u7d71\u7b49\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%b6%88%e6%81%af%e9%9a%8a%e5%88%97%e7%89%b9%e6%80%a7-MlWqCzuboT\">Redis \u7684\u6d88\u606f\u968a\u5217\u7279\u6027<\/h2>\n<p>Redis 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\u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc Redis \u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u7684\u7c21\u55ae\u5be6\u73fe\u793a\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u8a02\u55ae\u8655\u7406\u7cfb\u7d71\uff0c\u6d89\u53ca\u5230\u5275\u5efa\u8a02\u55ae\u3001\u6263\u6e1b\u5eab\u5b58\u548c\u8655\u7406\u652f\u4ed8\u4e09\u500b\u6b65\u9a5f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e5%89%b5%e5%bb%ba%e8%a8%82%e5%96%ae-MlWqCzuboT\">\u6b65\u9a5f 1\uff1a\u5275\u5efa\u8a02\u55ae<\/h3>\n<pre><code>function createOrder(orderDetails) {\n    \/\/ \u5c07\u8a02\u55ae\u4fe1\u606f\u5b58\u5165 Redis\n    redisClient.lpush('orders', JSON.stringify(orderDetails));\n    \/\/ \u767c\u9001\u6d88\u606f\u5230\u4e0b\u4e00\u6b65\n    redisClient.publish('order_created', JSON.stringify(orderDetails));\n}<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e6%89%a3%e6%b8%9b%e5%ba%ab%e5%ad%98-MlWqCzuboT\">\u6b65\u9a5f 2\uff1a\u6263\u6e1b\u5eab\u5b58<\/h3>\n<pre><code>function reduceStock(orderDetails) {\n    \/\/ \u5047\u8a2d\u5eab\u5b58\u6578\u64da\u5b58\u5132\u5728 Redis \u4e2d\n    const stock = redisClient.get(`stock:${orderDetails.productId}`);\n    if (stock &gt;= orderDetails.quantity) {\n        redisClient.decrby(`stock:${orderDetails.productId}`, orderDetails.quantity);\n        \/\/ \u767c\u9001\u6d88\u606f\u5230\u4e0b\u4e00\u6b65\n        redisClient.publish('stock_reduced', JSON.stringify(orderDetails));\n    } else {\n        throw new Error('\u5eab\u5b58\u4e0d\u8db3');\n    }\n}<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e8%99%95%e7%90%86%e6%94%af%e4%bb%98-MlWqCzuboT\">\u6b65\u9a5f 3\uff1a\u8655\u7406\u652f\u4ed8<\/h3>\n<pre><code>function processPayment(orderDetails) {\n    \/\/ \u8655\u7406\u652f\u4ed8\u908f\u8f2f\n    const paymentSuccess = true; \/\/ \u5047\u8a2d\u652f\u4ed8\u6210\u529f\n    if (paymentSuccess) {\n        \/\/ \u63d0\u4ea4\u4e8b\u52d9\n        console.log('\u8a02\u55ae\u8655\u7406\u6210\u529f');\n    } else {\n        throw new Error('\u652f\u4ed8\u5931\u6557');\n    }\n}<\/code><\/pre>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e8%88%87%e8%a3%9c%e5%84%9f%e6%a9%9f%e5%88%b6-MlWqCzuboT\">\u932f\u8aa4\u8655\u7406\u8207\u88dc\u511f\u6a5f\u5236<\/h2>\n<p>\u5728\u5206\u6b65\u63d0\u4ea4\u7684\u904e\u7a0b\u4e2d\uff0c\u4efb\u4f55\u4e00\u6b65\u7684\u5931\u6557\u90fd\u53ef\u80fd\u5c0e\u81f4\u6574\u500b\u4e8b\u52d9\u7684\u5931\u6557\u3002\u56e0\u6b64\uff0c\u5be6\u73fe\u932f\u8aa4\u8655\u7406\u548c\u88dc\u511f\u6a5f\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u901a\u904e Redis \u7684\u6d88\u606f\u968a\u5217\u4f86\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\uff0c\u6216\u8005\u5728\u767c\u751f\u932f\u8aa4\u6642\u89f8\u767c\u88dc\u511f\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MlWqCzuboT\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u6d88\u606f\u5206\u6b65\u63d0\u4ea4\u6280\u8853\u70ba\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u4e8b\u52d9\u8655\u7406\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e0b\u7684\u6578\u64da\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u8868\u73fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis 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