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AngularJS ng-options 指令


示例

使用数组中的项目填充下拉列表中的选项

<div ng-app="myApp" ng-controller="myCtrl">
<select ng-model="selectedName" ng-options="item for item in names"></select>
</div>

<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
    $scope.names = ["Emil", "Tobias", "Linus"];
});
</script>
自己尝试 »

定义和用法

The ng-options 指令使用 <options> 填充 <select> 元素。

The ng-options 指令使用数组来填充下拉列表。在许多情况下,使用 ng-repeat 指令会更容易,但在使用 ng-options 指令时,您可以获得更大的灵活性。


语法

<select ng-options="数组表达式"></select>

受 <select> 元素支持。


参数值

描述
数组表达式 一个表达式,用于选择数组的指定部分来填充选择元素。

合法表达式

标签 for in 数组

选择 as 标签 for in 数组

标签
group by 分组 for in 数组

标签
disable when 禁用 for in 数组

标签
group by 分组 for in 数组 track by 表达式

标签
disable when 禁用 for in 数组 track by 表达式

标签
for in 数组 | orderBy 表达式 track by 表达式


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