Can't bind to 'ngModel' since it isn't a known property of 'input'.
原因:库未引用完整
解决:https://blog.csdn.net/u011321546/article/details/78376679
代码
<input [(ngModel)]="title" #myInput type="text">
input 组件双向绑定
[(ngModel)]
符号 [ ] 代表数据从模型流向视图(html)
符号 ( ) 代表数据从视图流向模型
参考:https://blog.csdn.net/maoguiyou/article/details/53745838
** "title" **即 数据模型