[article] adds simple-accordion-reactive #59
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trotyl
reviewed
Dec 21, 2016
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| 上面的代码会将 `.card` 按 panel 循环。这里只有 `.card` 一个元素。如果我们需要同时循环多于一个元素的时候，`*ngFor` 这样含有星号的写法就行不通了，只能使用展开写法，即 |
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一样可以用 *ngFor 的，加个 ng-container 就好了，类似于：
<ng-container *ngFor="let panel of panels">
<div class="card-header">...</div>
<div class="card-block">...</div>
</ng-container>可以参考我的 Demo：http://embed.plnkr.co/KQLgHjAgL7BAcevUEIw2/
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这个直观，改用ng-container。
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