Property ngOnInit does not exist on type VisibleFocusDirective 原因是我把Base focus Directive的OnInit函数删除了： Property ngOnInit does not exist on type VisibleFocusDirective 添加上之后问题消失： Property ngOnInit does not exist on type VisibleFocusDirective
Property ngOnInit does not exist on type VisibleFocusDirective
Property ngOnInit does not exist on type VisibleFocusDirective Property ngOnInit does not exist on type VisibleFocusDirective
