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                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.net/angular.js/1.4.6/angular.min.js"></script>
</head>

<body>
    <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">
    </select>
    <h4>你选择的是: {{selectedSite}}</h4>

</div>
	
<script>
    var app = angular.module('myApp', []);
    app.controller('myCtrl', function($scope) {
    	$scope.sites = {
    	    site01 : {site : "Google", url : "https://www.google.com"},
    	    site02 : {site : "Runoob", url : "https://www.248k.com"},
    	    site03 : {site : "Taobao", url : "https://www.taobao.com"}
    	};
    	$scope.selectedSite = $scope.sites.site02.url;  //设置第2个为初始值；
    });
</script>
</body>
</html>
              