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[问与答] CURD 老头上线了一个稍微有点并发的项目连重复提交都没封住。

发表于

多年 CURD ,菜鸡全栈。

以前都写百十来人用的内部系统。

最近上了一个稍微有点并发的项目

发现用户注册即使后端验证了手机号是否已存在,还是一个手机注册了 N 条记录哈。

然后

前端加了防抖,后端弄了 DB 事务,似乎没再发生。

咱就是说

经验丰富的小哥们,一般是怎么避免这种情况发生的。

前端所有提交按钮都加防抖? 后端做事务? 还有什么锁之类的,完全没用过。

展开说说?

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