angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:

angular项目中当需要将一个公共部分复用时如果对angular模块化不清晰可能会遇到这个问题
以此为例:
我想要在此页面引入reuse-customer公共部分,但是出现此类报错
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:
页面也会出现如下报错
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:

问题出现的原因是此模块被引入一个module中
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:
但是在你想要使用的页面module中却未引入它,所以框架编译时无法找到它
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:
将公共引入的module引入将要使用的页面module下
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:
便不会出现这样的问题了
angular Template parse errors: ‘app-xxx-xxx‘ is not a known element:
希望能帮到遇到相同问题的朋友