实践
<input #phone placeholder="phone number">
<!-- phone指向输入框元素 -->
<button (click)="callPhone(phone.value)">Call</button>
参考
- https://segmentfault.com/a/1190000017504793 Angular 模板应用变量的魔法
<input #phone placeholder="phone number">
<!-- phone指向输入框元素 -->
<button (click)="callPhone(phone.value)">Call</button>
让时间为你证明