您可以按照以下步驟做:
ngOnInit() {
jQuery(this.elementRef.nativeElement).find("#slider").slider({
(...)
slide: (event, ui) => {
this.slideValue = ui.value;
}
}
}
公告使用箭頭功能,能夠在組件屬性slideValue
設定值。
編輯
你可以用滑塊爲一個遵循ngModel分量。下面是一個簡單的實現:
const SLIDER_VALUE_ACCESSOR = new Provider(
NG_VALUE_ACCESSOR, {useExisting: forwardRef(() => SliderComponent), multi: true});
@Component({
selector: 'slider',
template: `
<div class="slider"></div>
`,
providers: [ SLIDER_VALUE_ACCESSOR ]
})
export class SliderComponent implements ControlValueAccessor {
onChange = (_) => {};
onTouched =() => {};
constructor(private elementRef:ElementRef) {
}
ngAfterViewInit() {
this.sliderElt = $(this.elementRef.nativeElement).find('.slider');
this.sliderElt.slider({
range:true,
orientation: "horizontal",
min: 0,
max: 100,
step:1,
range: false,
value: this.value,
slide: (event, ui) => {
this.onChange(ui.value);
}
});
this.initialized = true;
}
writeValue(value:any):void {
if (value!=null) {
if (this.initialized) {
this.sliderElt.slider('value', value);
} else {
this.value = value;
}
}
}
registerOnChange(fn: (_: any) => void): void { this.onChange = fn; }
registerOnTouched(fn:() => void): void { this.onTouched = fn; }
}
而且使用這種方式:
@Component({
selector: 'app'
template: `
<div>
<slider [(ngModel)]="sliderValue"></slider>
sliderValue: {{sliderValue}}<br/>
<div (click)="updateValue()">update value</div>
</div>
`,
directives: [ SliderComponent ]
})
export class App {
sliderValue = 0;
updateValue() {
this.sliderValue = 40;
}
}
看到這個plunkr:https://plnkr.co/edit/GJZUakH6O2wclHxpwOP2?p=preview
你可以看看這篇文章的章節「NgModel更多詳情 - 兼容組件「:
我想將this.slideValue賦值給一個全局變量,只要變量的值改變了? – Arron
如何將this.slideValue綁定到[(ngModel)] ?? – Arron
您想將滑塊包裝到符合ngModel標準的組件中嗎? –