我正在努力安装正确版本的angular,我经常收到像This version of CLI is only compatible with Angular versions ^11.0.0-next || >=11.0.0 <12.0.0, but Angular version 9.1.1 was found instead.这样的错误
我使用npm -g install @angular/cli@11.0.6安装了angular (正如项目的p
我尝试使用Angular (v12)安装Angular-Material(v12.2.8),按照和中的说明进行安装。但我得到了以下错误:$ ng new angular-ecommerce-app$ ng add @angular/material然后我启动了ng serve,但得到了以下错误** Angular Live Development Server is liste