以编程方式在angular5 ng-select中设置所选值

Guy*_*y E 1 selectedvalue selecteditem angular-ngselect angular5

我正在使用angular5 ng-select组件:https : //github.com/ng-select/ng-select, 并尝试在首次加载容器组件时(以编程方式)设置选定值(在模型)。我没有找到任何相关属性或每个项目的isSelected属性。这是我的代码(已过滤):HTML:

<ng-select [items]="filter.values"  bindLabel="text" bindValue="id" class="input-md" [(ngModel)]="filter.selectedValue"></ng-select>
Run Code Online (Sandbox Code Playgroud)

模型:

export class FilterData
{
    Name : string;
    FormattedName : string;
    values : Filter[];
    selectedValue : Filter = null;
    constructor(filterData : FilterData)
    {
        this.Name = filterData.Name;
        this.values = filterData.values;
        this.selectedValue = typeof filterData.selectedValue == "undefined" ? null : filterData.selectedValue;
    }
}

export class Filter 
{
    public id: number;
    public text: string;
}
Run Code Online (Sandbox Code Playgroud)

小智 5

只要找到项目

let item = this.ngSelect.itemsList.findByLabel('label of the item');
Run Code Online (Sandbox Code Playgroud)

然后放回去

this.ngSelect.select(item);
Run Code Online (Sandbox Code Playgroud)

您需要在角度分量中引用ng-select

@ViewChild(NgSelectComponent)
ngSelect: NgSelectComponent;
Run Code Online (Sandbox Code Playgroud)