Angular 将ngFor中的项目分为两个列表
以下是我的复选框列表代码:-Angular 将ngFor中的项目分为两个列表,angular,ngfor,Angular,Ngfor,以下是我的复选框列表代码:- <div class="policy-group"> <p><strong>Interests</strong></p> <div class="form-check" *ngFor="let interest of (objAccountSetting != null && objAccountSetting.BasketSettings != null &a
<div class="policy-group">
<p><strong>Interests</strong></p>
<div class="form-check" *ngFor="let interest of (objAccountSetting != null && objAccountSetting.BasketSettings != null && objAccountSetting.BasketSettings.Interests != null && objAccountSetting.BasketSettings.Interests.length > 0) ? objAccountSetting.BasketSettings.Interests : [];let i = index;">
<div class="row">
<div class="col-md-6"></div>
</div>
<label class="custom-chck">{{interest?.Name}}
<input type="checkbox" [ngModelOptions]="{standalone: true}" [value]="interest?.Id" id="{{interest?.Id}}" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Checked" id="{{interest?.Id}}">
<span class="checkmark"></span>
</label>
<input type="hidden" name="hdnIntrestId" value="interest?.Id" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Id">
</div>
</div>
兴趣
{{兴趣?.Name}
在上面的代码中,我有一个ngFor,它正在呈现一个兴趣列表,我的问题是数据库中有数百个兴趣,所以ngFor正在打印100个项目。我想以某种方式在页面上将复选框列表拆分为几个并排的列表,这样用户就不必滚动到页面末尾简单的方法是使用flexbox处理css,它为其中的元素提供了水平布局,并提供了许多控制布局的选项,例如: html: 例如,如果您希望设置为每行一定数量的复选框,请添加此选项(将设置为每行5个): 基于代码的精简版本 有关详细信息和配置选项,请参阅 对于您的示例,在类的内部循环中添加一个额外的div:
<div class="policy-group">
<p><strong>Interests</strong></p>
<div class="flex-container">
<div class="form-check" *ngFor="let interest of (objAccountSetting != null && objAccountSetting.BasketSettings != null && objAccountSetting.BasketSettings.Interests != null && objAccountSetting.BasketSettings.Interests.length > 0) ? objAccountSetting.BasketSettings.Interests : [];let i = index;">
<div class="row">
<div class="col-md-6"></div>
</div>
<label class="custom-chck">{{interest?.Name}}
<input type="checkbox" [ngModelOptions]="{standalone: true}" [value]="interest?.Id" id="{{interest?.Id}}" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Checked" id="{{interest?.Id}}">
<span class="checkmark"></span>
</label>
<input type="hidden" name="hdnIntrestId" value="interest?.Id" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Id">
</div>
</div>
</div>
兴趣
{{兴趣?.Name}
Hi,我的答案提供了解决方案吗?@JMP我还没有机会测试它,如果有帮助,我会接受你的答案。好的,谢谢,有兴趣知道,因为flexbox在测试时提供了一个很好的解决方案。
.flex-container {
display: flex;
flex-wrap: wrap;
}
.flex-container > div {
flex: 1, 0;
width:20%;
text-align:center;
}
<div class="policy-group">
<p><strong>Interests</strong></p>
<div class="flex-container">
<div class="form-check" *ngFor="let interest of (objAccountSetting != null && objAccountSetting.BasketSettings != null && objAccountSetting.BasketSettings.Interests != null && objAccountSetting.BasketSettings.Interests.length > 0) ? objAccountSetting.BasketSettings.Interests : [];let i = index;">
<div class="row">
<div class="col-md-6"></div>
</div>
<label class="custom-chck">{{interest?.Name}}
<input type="checkbox" [ngModelOptions]="{standalone: true}" [value]="interest?.Id" id="{{interest?.Id}}" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Checked" id="{{interest?.Id}}">
<span class="checkmark"></span>
</label>
<input type="hidden" name="hdnIntrestId" value="interest?.Id" [(ngModel)]="objAccountSetting.BasketSettings.Interests[i].Id">
</div>
</div>
</div>