Angular-如何将NGCLASS逻辑从模板移动到TS文件?
在Angular应用程序中,我正在使用下拉过滤器进行用户选择。我已经在ngclass
< div [ngclass] =“ i> 2&& armp; armp; armp; armp; armp; array-design'“>
中如何移动分类为控制器的逻辑?就像它们在模板中时一样,无法单位测试它们。
<ng-container *ngIf="searchFilters.length > 0; else loading">
<div class="filter-items" *ngFor="let filter of searchFilters; index as i">
<div [ngClass]="i > 2 && 'array-design'">
<app-multi-select [items]="filter.navigators" [title]="filter.name"></app-multi-select>
</div>
</div>
</ng-container>
.scss
.cross-reactivity, .array-design{
display: flex;
flex-direction: row;
align-items: center;
margin-right: 5px;
}
In Angular application I am using dropdown filters for user selection. I have add logic in ngClass
<div [ngClass]="i > 2 && 'array-design'">
How can I move the logic for classed to the controller? As when they are in the template it not possible to unit test them.
<ng-container *ngIf="searchFilters.length > 0; else loading">
<div class="filter-items" *ngFor="let filter of searchFilters; index as i">
<div [ngClass]="i > 2 && 'array-design'">
<app-multi-select [items]="filter.navigators" [title]="filter.name"></app-multi-select>
</div>
</div>
</ng-container>
.scss
.cross-reactivity, .array-design{
display: flex;
flex-direction: row;
align-items: center;
margin-right: 5px;
}
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您可以将条件语句移至函数中,并在HTML中使用其返回。
html
ts
You can move the conditional statement into a function and use its return in HTML.
html
ts