在元素角NG-重复条件包裹项目(NG-重复组项目) [英] Angular ng-repeat conditional wrap items in element (group items in ng-repeat)
问题描述
我使用的条件试图组的项目在NG重复。
I'm trying to group the items in a ng-repeat using a condition.
一个例子条件是组与同一时间的所有元素。
An example condition is to group all elements with the same hour.
数据:
[
{name: 'AAA', time: '12:05'},
{name: 'BBB', time: '12:10'},
{name: 'CCC', time: '13:20'},
{name: 'DDD', time: '13:30'},
{name: 'EEE', time: '13:40'},
...
]
时间字段实际上是一个时间戳(1399372207),但确切时间的例子输出更容易理解。
The 'time' field is actually a timestamp (1399372207) but with the exact time the example output is easier to understand.
我使用的NG-重复列出这些项目:
I am listing these items using ng-repeat:
<div ng-repeat="r in data| orderBy:sort:direction">
<p>{{r.name}}</p>
</div>
也试过用:
<div ng-repeat-start="r in data| orderBy:sort:direction"></div>
<p>{{r.name}}</p>
<div ng-repeat-end></div>
一个有效的输出是:
<div class="group-class">
<div><p>AAA</p></div>
<div><p>BBB</p></div>
</div>
<div class="group-class">
<div><p>CCC</p></div>
<div><p>DDD</p></div>
<div><p>EEE</p></div>
</div>
我的最后一个选项,如果没有我的问题是对数据进行分组,然后将其分配到NG-重复使用的范围变量的简单解决方案。
My last option if there isn't a simple solution for my problem would be to group the data and then assign it to the scope variable used in ng-repeat.
有什么想法?
推荐答案
您可以使用 angular.filter 的GROUPBY过滤器模块。
所以你可以做这样的事情:
You can use groupBy filter of angular.filter module.
so you can do something like this:
用法: 收藏| GROUPBY:属性
使用带有点符号嵌套属性: property.nested_property
JS:
$scope.players = [
{name: 'Gene', team: 'alpha'},
{name: 'George', team: 'beta'},
{name: 'Steve', team: 'gamma'},
{name: 'Paula', team: 'beta'},
{name: 'Scruath', team: 'gamma'}
];
HTML:
<ul ng-repeat="(key, value) in players | groupBy: 'team'">
Group name: {{ key }}
<li ng-repeat="player in value">
player: {{ player.name }}
</li>
</ul>
结果:
组名称:Alpha
*玩家:基因
组名称:Beta
*玩家:乔治
*玩家:保
组名:伽玛
*球员:史蒂夫
*玩家:Scruath
RESULT:
Group name: alpha
* player: Gene
Group name: beta
* player: George
* player: Paula
Group name: gamma
* player: Steve
* player: Scruath
更新: jsbin
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