AngularJS下拉框的高级应用

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HTML正文：

<body ng-app="myApp"><!-- 对象内部属性遍历：x--key  y---value --><div  ng-controller="myctr01">{{sites}}<br><select ng-model="site" ng-options="x for (x, y) in sites"></select>选择的网址：<span>{{site}}</span></div><div  ng-controller="myCtrl"><p>选择一辆车:</p><!-- 这里y标识成员元素对象，并且使用该对象的brand属性作为显示文本,select的值与y绑定 --><select ng-model="selectedCar" ng-options="y.brand for (x, y) in cars"></select><p>你选择的是: {{selectedCar.brand}}</p><p>型号为: {{selectedCar.model}}</p><p>颜色为: {{selectedCar.color}}</p><p>下拉列表中的选项也可以是对象的属性。</p></div>

Javascript操作代码：

var app = angular.module('myApp', []);app.controller('myCtrl', function($scope) {    //复杂对象$scope.cars = {car01 : {brand : "Ford", model : "Mustang", color : "red"},car02 : {brand : "Fiat", model : "500", color : "white"},car03 : {brand : "Volvo", model : "XC90", color : "black"} }   //简单对象   $scope.sites = {           site01 : "Google",           site02 : "Baidu",           site03 : "Taobao"       };});app.controller("myctr01",function($scope){    $scope.sites = {            site01 : "Google",            site02 : "Baidu",            site03 : "Taobao"        };});

效果：
这里写图片描述

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