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BrowserModule has already been loaded. If ... angular坑
笔记 如果报错如下： BrowserModule has already been loaded. If you need access to common directives such as NgIf and NgFor from a lazy loaded module, import CommonModule instead.Error: BrowserModule has already been loaded. If you need access to common directiv添加material ui库
ng add @angular/material 自定义预构建主题 ? Choose a prebuilt theme name, or "custom" for a custom theme: Custom ? Set up global Angular Material typography styles? Yes ? Set up browser animations for Angular Material? Yes 创建mat.module ng g modAngular共享特性模块
创建共享模块能让你更好地组织和梳理代码。你可以把常用的指令、管道和组件放进一个模块中，然后在应用中其它需要这些的地方导入该模块。 想象某个应用有下列模块： import { CommonModule } from '@angular/common'; import { NgModule } from '@angular/core'; import { FormsModul