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Node与Express开发(第2版)
book

Node与Express开发(第2版)

by Ethan Brown
June 2021
Intermediate to advanced
290 pages
9h 21m
Chinese
Posts & Telecom Press
Content preview from Node与Express开发(第2版)
136
|
第
13
章
重复增加种子数据:如果数据库中已经有了度假产品数据,那么说明已经做了初始化了。
第一次执行的时候,
find
会返回一个空列表,于是我们创建几个度假对象并调用模型上的
save
方法,就把新对象保存到数据库里了。
现在数据已经在数据库里了,可以把它们取出来。
13.3.8
 获取数据
我们在上面已经见到了
find
方法,接下来将用它来显示一个度假列表。不过这次要给
find
传入一个选项以筛选数据。具体来讲,我们希望仅显示当前可用的度假产品。
为产品列表页创建视图
views/vacations.handlebars
:
<h1>Vacations</h1>
{{#each vacations}}
<div class="vacation">
<h3>{{name}}</h3>
<p>{{description}}</p>
{{#if inSeason}}
<span class="price">{{price}}</span>
<a href="/cart/add?sku={{sku}}" class="btn btn-default">Buy Now!</a>
{{else}}
<span class="outOfSeason">We're sorry, this vacation is currently
not in season.
{{!“这个产品上市时通知我”页面将是我们的下一个任务 }}
<a href="/notify-me-when-in-season?sku={{sku}}">Notify ...
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Publisher Resources

ISBN: 9787115565099