<script src="https://cdn.staticfile.net/angular.js/1.4.6/angular.min.js"></script>
<div ng-app="myApp" ng-controller="myCtrl">
<p>使用 ng-options 创建下拉列表,选中的值是一个对象:</p>
<select ng-model="selectedSite" ng-options="y.url as x for (x, y) in sites">
<h4>你选择的是: {{selectedSite}}</h4>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
site01 : {site : "Google", url : "https://www.google.com"},
site02 : {site : "Runoob", url : "https://www.runoob.com"},
site03 : {site : "Taobao", url : "https://www.taobao.com"}
$scope.selectedSite = $scope.sites.site02.url;