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Module 7 (Architecture Design of King glory mall)

2022-07-19 13:22:00 【InfoQ】

Business analysis

The commodity of King glory mall is virtual product , No concept of inventory , No logistics required ;

Some goods （ Like heroes and skin ） One account can only buy one , No repeat purchases , Some goods （ Such as flowers or name change cards ） You can buy multiple , Before placing an order, first judge the purchase permission ;

Payment can only be made by counting coupons , First use wechat wallet or qq Wallet Credit counting ;

Live in different places

Business classification

According to the importance to users , You need to offset the value of the business of remote architecture 、 Buy restricted products 、 Buy non restricted products .

data classification

Data synchronization

Card balance amount ： Increase the balance when recharging , Deduct the balance at the time of payment

Adopt database plus database synchronization + Message queuing

Quantity of purchased goods ： Update the quantity of purchased goods after successful payment , Strong consistency should be achieved for commodities with limited quantity , Adopt database synchronization ; For unrestricted quantity goods , The final agreement can be achieved ;