Angular Material报错Error: MatDatepicker: No provider found for DateAdapter. You must import one of th

1、新建项目，安装npm依赖后，

ng add @angular/material

配置npm和添加一起的命令：

npm i --s @angular/material @angular/cdk @angular/animations

问题1：
Error: MatDatepicker: No provider found for DateAdapter. You must import one of the following modules at your application root: MatNativeDateModule, MatMomentDateModule, or provide a custom implementation.
原因： MatDatepicker依赖于MatNativeDateModule，这两个模块需要一起引入
解决：

import {MatDatepickerModule} from '@angular/material/datepicker';
import { MatNativeDateModule } from '@angular/material/core';