Question

我正在为我的项目使用ng2-dragula并且它对我来说效果很好。但是现在我想在丢弃元素的同时传递数据。

我在互联网上搜索并找到dragulaModel，但当我尝试使用它时，我的代码无效。我在模板中完成了以下操作：

<li *ngFor="#comp of record.components | search:searchComp:true" [dragula]='"row-bag"' [dragulaModel]='record.components'>
    <p class="text-center h6" style="font-size:8px;color:blue;font-weight:bold;"> {{comp.name }}</p>                                
</li>

在我的组件中：

 dragulaService.dropModel.subscribe((value:any[]) => {
        console.log(value);
        this.dragulaService.onDropModel(value.slice(1));
    });
    dragulaService.removeModel.subscribe((value:any[]) => {
        console.log(value);
        this.dragulaService.onRemoveModel(value.slice(1));
    });
    dragulaService.drag.subscribe((value: any[]) => {
        //console.log(`drag: ${value[0]}`);
        this.onDrag(value.slice(1));
    });
    dragulaService.drop.subscribe((value: any[]) => {
        //console.log(`drop: ${value[0]}`);
        this.onDrop(value.slice(1));           
    });
    dragulaService.over.subscribe((value: any[]) => {
        //console.log(`over: ${value[0]}`);
        this.onOver(value.slice(1));
    });
    dragulaService.out.subscribe((value: any[]) => {
        //console.log(`out: ${value[0]}`);
        this.onOut(value.slice(1));
    });
    dragulaService.setOptions('row-bag', {
        copy: true
    });

但是我收到了这个错误：

EXCEPTION: TypeError: Cannot read property '1' of undefined

Answer 1

此错误消息显示元素从包＆＃34; A＆＃34;将指定的型号装入袋子＆＃34; B＆＃34;没有模特。你需要指定＆＃34; dragulaModel＆＃34;包包＆＃34; B＆＃34;你试图放弃元素。

示例：

＆＃13;

<div [dragula]='"bag-a"' [dragulaModel]='records' >
...
</div>

<div [dragula]='"bag-b"' [dragulaModel]='records' >
..
</div>

＆＃13;

ngula-dragula的dragulaModel无效

1 个答案: