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qiurunze 2018-12-10 10:13:40 +08:00
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@ -26,9 +26,9 @@
--数据库加唯一索引防止用户重复购买 --数据库加唯一索引防止用户重复购买
--redis预减库存减少数据库访问　内存标记减少redis访问　请求先入队列缓冲，异步下单，增强用户体验 --redis预减库存减少数据库访问　内存标记减少redis访问　请求先入队列缓冲，异步下单，增强用户体验
#### [1.全局异常处理拦截]() #### [1.全局异常处理拦截]()
> 1.定义全局的异常拦截器 > 1.定义全局的异常拦截器<br>
> 2.定义了全局异常类型 > 2.定义了全局异常类型<br>
> 3.只返回和业务有关的 > 3.只返回和业务有关的<br>
#### [解决分布式session]() #### [解决分布式session]()
--生成一个随机的uuid一类的写回到cookie中 --生成一个随机的uuid一类的写回到cookie中