有一个拉取请求正在等待添加 https://github.com/angular/angular/pull/6679
另请参阅此相关问题 https://github.com/angular/angular/issues/4933

通常使用的解决方法是重新创建表单。

After submitting the form, the pristine state of the input is still "false". I don't know how to reset the pristine state to be true. In Angular 1, I would use the $setPristine function.

There is a pull request waiting to be added https://github.com/angular/angular/pull/6679 See also this related issue https://github.com/angular/angular/issues/4933

The usually used workaround is to recreate the form.