我可以使用 Angular-Filter 按多个字段分组吗? [英] Can I group by multiple fields using Angular-Filter?

查看：27 发布时间：2021/11/9 3:57:24 angularjs group-by angular-filters

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问题描述

我正在使用 Angular-Filter 的 groupBy 过滤器.

来自 GitHub 的示例:

$scope.players = [{名称:'基因'，团队:'阿尔法'}，{名称:'乔治'，团队:'测试版'}，{名称:'史蒂夫'，团队:'伽玛'}，{名称:'宝拉'，团队:'测试版'}，{名称:'Scruath'，团队:'伽玛'}];<ul><li ng-repeat="(key, value) in player | groupBy: 'team'">组名:{{ key }}<ul><li ng-repeat="球员价值">玩家:{{玩家名称}}

因此，该示例按团队对玩家集合进行分组.想象一下，每个玩家对象都有一个 age 属性:

$scope.players = [{名称:'基因'，团队:'阿尔法'，年龄:19}，{名称:'乔治'，团队:'测试版'，年龄:19}，{名称:'史蒂夫'，团队:'伽玛'，年龄:23}，{名称:'宝拉'，团队:'beta'，年龄:23}，{名称:'Scruath'，团队:'伽玛'，年龄:23}];

我想按团队和年龄分组.我该怎么做?

解决方案

多字段示例

angular.module('app',['angular.filter']).controller('MainController', function($scope) {$scope.players = [{名称:'基因'，团队:'阿尔法'，年龄:19}，{名称:'乔治'，团队:'测试版'，年龄:19}，{名称:'史蒂夫'，团队:'伽玛'，年龄:23}，{名称:'宝拉'，团队:'beta'，年龄:23}，{名称:'Scruath'，团队:'伽玛'，年龄:23}];});

<html ng-app="app"><头><script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.22/angular.min.js"></script><script src="//cdnjs.cloudflare.com/ajax/libs/angular-filter/0.4.7/angular-filter.js"></script><meta name="description" content="[groupBy 示例]"/><meta charset="utf-8"><title>JS Bin</title><身体><div ng-controller="MainController"><ul ng-repeat="(key, value) in player | groupBy: '[team,age]'"><b>组名:{{key}}</b><br><li ng-repeat="球员价值"><b>玩家:</b>{{ 选手姓名 }}<br><b>团队:</b>{{player.team}}<br><span ng-if="player.age"><b>年龄:</b>{{ player.age }}</span>

</html>

I'm using Angular-Filter's groupBy filter.

Example from GitHub:

$scope.players = [
  {name: 'Gene', team: 'alpha'},
  {name: 'George', team: 'beta'},
  {name: 'Steve', team: 'gamma'},
  {name: 'Paula', team: 'beta'},
  {name: 'Scruath', team: 'gamma'}
];

<ul>
  <li ng-repeat="(key, value) in players | groupBy: 'team'">
    Group name: {{ key }}
    <ul>
      <li ng-repeat="player in value">
        player: {{ player.name }}
      </li>
    </ul>
  </li>
</ul>

So, the example groups the players collection by team. Imagine there's an age property for every player object:

$scope.players = [
  {name: 'Gene', team: 'alpha', age: 19},
  {name: 'George', team: 'beta', age: 19},
  {name: 'Steve', team: 'gamma', age: 23},
  {name: 'Paula', team: 'beta', age: 23},
  {name: 'Scruath', team: 'gamma', age: 23}
];

I want to group by team and age. How can I do that?

解决方案

Follow the example of multiple fields

angular.module('app',['angular.filter'])
  .controller('MainController', function($scope) { 
    $scope.players = [
      {name: 'Gene', team: 'alpha', age: 19},
      {name: 'George', team: 'beta', age: 19},
      {name: 'Steve', team: 'gamma', age: 23},
      {name: 'Paula', team: 'beta', age: 23},
      {name: 'Scruath', team: 'gamma', age: 23}
    ];
 });

<!DOCTYPE html>
<html ng-app="app">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.22/angular.min.js"></script>
  <script src="//cdnjs.cloudflare.com/ajax/libs/angular-filter/0.4.7/angular-filter.js"></script>
  
<meta name="description" content="[groupBy example]"/>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
  <div ng-controller="MainController"> 

<ul ng-repeat="(key, value) in players | groupBy: '[team,age]'">
  <b>Group name: {{key}}</b>
  <br>
  <li ng-repeat="player in value">
    <b>player:</b> {{ player.name }} 
    <br>
    <b>team:</b> {{player.team}} 
    <br>
    <span ng-if="player.age"><b>age:</b> {{ player.age }}</span>
  </li>
</ul>
  </div>
</body>
</html>

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我可以使用 Angular-Filter 按多个字段分组吗? [英] Can I group by multiple fields using Angular-Filter?

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