ng-build的问题

https://blog.csdn.net/idomyway/article/details/79283637
https://www.jianshu.com/p/09ba8d35662e

腾讯云问答：https://cloud.tencent.com/developer/ask/154633
最为准确的！！！

Angular6之ng build | ng build --aot | ng build --prod 差异：
https://www.cnblogs.com/timetimetime/p/9106056.html