通过 AngularJS 中的多个复选框过滤 [英] Filtering by multiple checkboxes in AngularJS

问题描述

我第一次在这里发布问题，如果我违反了任何 Stack Overflow 礼节，请提前道歉！:-)

first time I've posted a question on here, so apologies in advance if I breach any Stack Overflow etiquette! :-)

我第一次尝试使用 AngularJS，以便为我的老板创建一个概念验证.这是一个基本的租车列表应用程序，主列中有一个结果列表，侧面有一个过滤器面板.我设法从 JSON 对象中提取结果，并应用基本过滤器，如下所示；

I'm having a go at some AngularJS for the first time in order to create a proof-of-concept for my boss. It's a basic car hire listings app, with a list of results in the main column, and a filter panel down the side. I've managed to pull in the results from a JSON object, and apply a basic filter, as below;

<article data-ng-repeat="result in results | filter:search" class="result">
    <h3>{{result.carType.name}}, &pound;{{result.price.value}}</h3>
    <img class="car-type" alt="{{result.carType.name}}" src="{{result.carType.image}}" />
    <ul class="result-features">
            <li>{{result.carDetails.hireDuration}} day hire</li>
            <li data-ng-show="result.carDetails.airCon">Air conditioning</li>
            <li data-ng-show="result.carDetails.unlimitedMileage">Unlimited Mileage</li>
            <li data-ng-show="result.carDetails.theftProtection">Theft Protection</li>
    </ul>
</article>

过滤器

<fieldset>
Doors: 
<select data-ng-model="search.carDetails">
    <option value="">All</option>
  <option value="2">2</option>
  <option value="4">4</option>
</select>   

</fieldset>

...不过，我还无法解决的一件事是如何添加一组复选框以应用过滤器，例如汽车类型"，其中包含迷你"、紧凑"、家庭"等等——用户可以一次过滤一个或多个选项.我知道我需要使用 'ng-model'，也许还有 'ng-change'，我只是不知道如何将它应用于一组复选框......?

...one thing I haven't been able to work out yet though, is how to add a group of checkboxes to apply a filter, for say, 'car type' which would have options like 'mini', 'compact', 'family' and so on - and the user would be able to filter by one or more option at a time. I know I need to use 'ng-model', and perhaps 'ng-change', I just don't know how to apply it to a group of checkboxes...?

更新:我创建了一个 plunker 以便您可以看到我在做什么:http://plnkr.co/edit/lNJNYagMC2rszbSOF95k?p=preview

Update: I've created a plunker so you can see where I'm up to: http://plnkr.co/edit/lNJNYagMC2rszbSOF95k?p=preview

推荐答案

我会将所有复选框绑定到一个对象 说:

I would bind all the checkboxes to one object say:

app.js

$scope.cartypes = {mini: false, compact:false};

index.html

<input type="checkbox" data-ng-model="cartypes.mini"> Mini
<input type="checkbox" data-ng-model="cartypes.compact"> Compact

然后创建一个自定义过滤器函数，该函数返回对象是否包含所有(我假设这就是您想要的)选中的选项.

And then create a custom filter function which returns whether the object contains all (I assume thats what you want) of the checked options.

app.js

app.filter('myfilter', function() {
    return function(items, options ) {
      // loop over all the options and if true ensure the car has them
      // I cant do this for you beacause I don't know how you would store this info in the car object but it should not be difficult
      return carMatches;
    };
});

然后你可以像这样将它添加到你的模板中:

Then you can add it to your template like this:

index.html

<article data-ng-repeat="result in results | filter:search | myfilter:cartypes" class="result">

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