ngFor X 每行的项目数量

Created: November-22, 2018

示例显示每行 5 项：

<div *ngFor="let item of items; let i = index">
  <div *ngIf="i % 5 == 0" class="row">
    {{ item }}
    <div *ngIf="i + 1 < items.length">{{ items[i + 1] }}</div>
    <div *ngIf="i + 2 < items.length">{{ items[i + 2] }}</div>
    <div *ngIf="i + 3 < items.length">{{ items[i + 3] }}</div>
    <div *ngIf="i + 4 < items.length">{{ items[i + 4] }}</div>
  </div>
</div>