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我有一些麻煩來定義特定的類做的動感元素,看看這個JSON已經是ngClass條件角度:多類添加到動態物體時,它具有(4)
filterData = {
"highlights": {
"title": "Destaques",
"options": [{
"id": 1,
"title": "Outlet",
"alias": "outlet",
"counter": 3,
"classes": ["outlet", "feb", "jun"]
}, {
"id": 2,
"title": "Novidades",
"alias": "news",
"counter": 0,
"classes": ["news", "may"]
}, {
"id": 3,
"title": "Promoção",
"alias": "promo",
"counter": 1,
"classes": ["promo"]
}]
}
}
每個按鈕有其選擇類,如果它是由用戶選擇,或者不考慮:
<div
*ngIf="filterEnabled"
class="filters_btns"
>
<button
*ngFor="let item of filtersList.options"
type="button"
class="btn"
(click)="toggleFilterOption(item)"
[ngClass]="{ 'selected': filterData[item.id]" <-- also add all of the classes of this array (item.classes) if some exists
>{{ item.title }}</button>
</div>
有沒有辦法做到這一點?添加的類的陣列(如果它們存在的話),並且還根據篩選數據[item.id] (布爾值)
感謝梅厄,它完美的作品!只是一個小小的更正,**類**是項目的一個屬性,所以它將如下所示:** item.classes **或** item ['classes'] ** –
您是對的。我專注於語法,而不是具體細節 – Meir