angular 选择器 select
ng-init 设置默认选中值。<div ng-app="myApp" ng-controller="myCtrl"> <select ng-init="selectedName = names[0]" ng-model="selectedName" ng-options="x for x in names"> </select> </div> <script> var app = angular.module('myApp', []); app.controller('myCtrl', function($scope) { $scope.names = ["Google", "Runoob", "Taobao"]; }); </script>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<p>选择网站:</p>
<select ng-model="selectedSite" ng-options="x.site for x in sites">
</select>
<h1>你选择的是: {{selectedSite.site}}</h1>
<p>网址为: {{selectedSite.url}}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.sites = [
{site : "Google", url : "http://www.google.com"},
{site : "Runoob", url : "http://www.runoob.com"},
{site : "Taobao", url : "http://www.taobao.com"}
];
});
</script>
<p>该实例演示了使用 ng-options 指令来创建下拉列表,选中的值是一个对象。</p>
</body>
ng-repeat 指令是通过数组来循环 HTML 代码来创建下拉列表,但 ng-options 指令更适合创建下拉列表,它有以下优势:
使用 ng-options 的选项的一个对象, ng-repeat 是一个字符串。