angularJs 二级联动

不言原创: 2018-04-04 11:47:031373浏览

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script type="text/javascript" src="js/angular.min.js" ></script>
		<script type="text/javascript" src="js/lib/js/angular/angular.js" ></script>
		<script>
			var app=angular.module("app",[]);
app.controller("global",[&#39;$scope&#39;,function($scope){
    $scope.g=[
        {text:"亚洲",nat:[
            {text:"中国",cities:[{text:"北京"}]},
            {text:"巴林",cities:[]},
            {text:"韩国",cities:[{text:"首尔"}]},
            {text:"黎巴嫩",cities:[]},
            {text:"东帝汶",cities:[]},
            {text:"尼泊尔",cities:[]},
            {text:"泰国",cities:[{text:"曼谷"}]},
            {text:"巴基斯坦",cities:[{text:"伊斯兰堡"}]}
        ]},
        {text:"欧洲",nat:[
            {text:"德国",cities:[]},
            {text:"英国",cities:[]}
        ]},
        {text:"北美洲"},
        {text:"南美洲"},
        {text:"非洲"},
        {text:"大洋洲"},
        {text:"南极洲"}
    ]
}]);
		</script>
	</head>
	<body>
		
		<p ng-app="app" ng-controller="global">
    <select ng-model="ihg" ng-options="ihg.text for ihg in g">
        <option value="">-- 洲际 --</option>
    </select>
    <select ng-if="ihg.nat" ng-model="nat" ng-options="nat.text for nat in ihg.nat">
        <option value="">-- 国家 --</option>
    </select>
    <select ng-if="nat.cities" ng-model="city" ng-options="city.text for city in nat.cities">
        <option value="">-- 城市 --</option>
    </select>
</p>
	</body>
</html>

angularJs 二级联动

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