angular - 角度材质 cdkDragFreeDragPosition 错误

Question

当我添加[cdkDragFreeDragPosition]到 div 时，我收到以下错误：

我试图应用同样的例子：https ://stackblitz.com/angular/bxalqlqlaly?file=src%2Fapp%2Fcdk-drag-drop-free-drag-position-example.ts

例子：

<div class="example-box" cdkDragBoundary=".example-boundary" cdkDrag [cdkDragFreeDragPosition]="dragPosition">
  <h2>Test</h2>
</div>

标签： angulartypescriptangular-material

Answer 1

You need to import DragDropModule in NgModule. After that only drag drop will work. Please refer this link for more information. https://material.angular.io/cdk/drag-drop/overview