解决angular 使用原生拖拽页面卡顿及表单控件输入延迟问题

this.ngZone.runOutsideAngular(() => {
  this.dragEnter = this.rd.listen(spanDom, 'dragenter', this.dragenterHandler.bind(this));
  this.dragOver = this.rd.listen(spanDom, 'dragover', (e) => {
   e.preventDefault();
  });
 this.dragLeave = this.rd.listen(spanDom, 'dragleave', this.dragLeaveHandle.bind(this));
});
this.dragDrop = this.rd.listen(spanDom, 'drop', this.dropHandler.bind(this));

npm install ng2-drag-drop --save

 // drag.component.html
 <div>
  <a href="javascript:;" rel="external nofollow" *ngFor="let item of sysData" draggable [dragData]="item" [dragScope]="'system'">{{ item.name }}</a>
 </div>

// drag.component.ts
 <div droppable (onDrop)="onItemDrop($event)" [dropScope]="'system'"></div>

// drag.component.ts
export class DragComponent {

 const sysData = [
  {id: '1', name: '拖动元素1'},
  {id: '2', name: '拖动元素2'},
  {id: '3', name: '拖动元素3'},
  {id: '4', name: '拖动元素4'}
 ];

}

onItemDrop(e: any) {
 // data为拖拽时传递的数据 - item
 const data = e.dragData;
}