摘要: ng_class 父传子 set 的形式进行修改 <input type="range" [(ngModel)]="num" min="1" max="4"> <div appChColor [one]="num"> hello world </div> @Directive({ selector: 阅读全文
posted @ 2020-12-12 00:11 猫神甜辣酱 阅读(182) 评论(0) 推荐(1) 编辑