我刚刚拿了最简单的演示http://docs.angularjs.org/api/ng.filter:orderBy只需将年龄的值更改为不同的位数即可。它停止按预期工作。它的顺序类似于“字符串”而不是“整数”值。我应该如何更改它，以便它按年龄排序，如整数值？
Plunker 演示就在这里http://plnkr.co/edit/pzgiIYrki7jUZdVaTMt9?p=preview
代码是：
function Ctrl($scope) {
$scope.friends =
[{name:'John', phone:'555-1212', age:'2352345'},
{name:'Mary', phone:'555-9876', age:'4235243'},
{name:'Mike', phone:'555-4321', age:'241'},
{name:'Adam', phone:'555-5678', age:'34325'},
{name:'Julie', phone:'555-8765', age:'1234'}]
$scope.predicate = '-age';
}
<!doctype html>
<html ng-app="App">
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular.min.js"></script>
<script type="text/javascript" src="script.js"></script>
</head>
<body>
<div ng-controller="Ctrl">
<pre>Sorting predicate = {{predicate}}; reverse = {{reverse}}</pre>
<hr/>
[ <a href="" ng-click="predicate=''">unsorted</a> ]
<table class="friend">
<tr>
<th><a href="" ng-click="predicate = 'name'; reverse=false">Name</a>
(<a href="" ng-click="predicate = '-name'; reverse=false">^</a>)</th>
<th><a href="" ng-click="predicate = 'phone'; reverse=!reverse">Phone Number</a></th>
<th><a href="" ng-click="predicate = 'age'; reverse=!reverse">Age</a></th>
</tr>
<tr ng-repeat="friend in friends | orderBy:predicate:reverse">
<td>{{friend.name}}</td>
<td>{{friend.phone}}</td>
<td>{{friend.age}}</td>
</tr>
</table>
</div>
</body>
</html>
你必须将年龄转换为数字类型才能使orderBy正常工作。
添加到您的控制器以将字符串年龄排序为浮点数：
angular.forEach($scope.friends, function (friend) {
friend.age = parseFloat(friend.age);
});
它应该有效，
See PLunker
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