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<!DOCTYPE html>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>RunJS</title>
<style>
button{
border:1px solid #ccc;
cursor:pointer;
display:block;
margin:auto;
position:relative;
top:100px;
}
</style>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<h3>ng-options 基本下拉效果</h3>
<div ng-controller="ngselect">
<p>usage:label for value in array</p>
<p>选项，{{selected}}</p>
<select ng-model="selected" ng-options="o.id for o in optData">
<option value="">-- 请选择 --</option>
</select>
</div>
<h3>ng-options 自定义下拉显示名称</h3>
<div ng-controller="ngselect2">
<p>usage:label for value in array(label可以根据需求拼接出不同的字符串)</p>
<p>选项，{{selected}}</p>
<select ng-model="selected" ng-options="(o.ProductColor+‘-‘+o.ProductName) for o in optData">
<option value="">-- 请选择 --</option>
</select>
</div>
<h3>ng-options 选项分组</h3>
<div ng-controller="ngselect3">
<p>usage:label group by groupName for value in array</p>
<p>选项，{{selected}}</p>
<select ng-model="selected" ng-options="(o.ProductColor+‘-‘+o.ProductName) group by o.MainCategory for o in optData">
<option value="">-- 请选择 --</option>
</select>
</div>
<h3>ng-options 自定义ngModel的绑定</h3>
<div ng-controller="ngselect4">
<p>usage:select as label for value in array</p>
<p>选项，{{selected}}</p>
<select ng-model="selected" ng-options="o.id as o.ProductName for o in optData">
<option value="">-- 请选择 --</option>
</select>
</div>
<h3>ng-options多级下拉</h3>
<div ng-controller="ngselect5">
<select ng-model="selectedPerson" ng-options="obj.name for obj in people"></select>
<select ng-model="selectedGenre">
<option ng-repeat="label in people[selectedPerson.id].interest">{{label}}</option>
</select>
</div>
<script>
var m1 = angular.module(‘myApp‘,[]);
m1.controller("ngselect",[‘$scope‘,function($sc){
$sc.selected = ‘‘;
$sc.optData = [{
id: 10001,
MainCategory: ‘男‘,
ProductName: ‘水洗T恤‘,
ProductColor: ‘白‘
},{
id: 10002,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
},{
id: 10003,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
}];
}]);
m1.controller("ngselect2",[‘$scope‘,function($sc){
$sc.selected = ‘‘;
$sc.optData = [{
id: 10001,
MainCategory: ‘男‘,
ProductName: ‘水洗T恤‘,
ProductColor: ‘白‘
},{
id: 10002,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
},{
id: 10003,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
}];
}]);
m1.controller("ngselect3",[‘$scope‘,function($sc){
$sc.selected = ‘‘;
$sc.optData = [{
id: 10001,
MainCategory: ‘男‘,
ProductName: ‘水洗T恤‘,
ProductColor: ‘白‘
},{
id: 10002,
MainCategory: ‘女‘,
ProductName: ‘圓領长袖‘,
ProductColor: ‘黃‘
},{
id: 10003,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
}];
}]);
m1.controller("ngselect4",[‘$scope‘,function($sc){
$sc.selected = ‘‘;
$sc.optData = [{
id: 10001,
MainCategory: ‘男‘,
ProductName: ‘水洗T恤‘,
ProductColor: ‘白‘
},{
id: 10002,
MainCategory: ‘女‘,
ProductName: ‘圓領长袖‘,
ProductColor: ‘黃‘
},{
id: 10003,
MainCategory: ‘女‘,
ProductName: ‘圓領短袖‘,
ProductColor: ‘黃‘
}];
}]);
m1.controller("ngselect5",[‘$scope‘,function($sc){
$sc.people = [
{
id: 0,
name: ‘张三‘,
interest: [
‘爬山‘,
‘游泳‘,
‘旅游‘,
‘美食‘
]
},
{
id: 1,
name: ‘李四‘,
interest: [
‘音乐‘,
‘美食‘,
‘Coffee‘,
‘看书‘
]
},
{
id: 2,
name: ‘王五‘,
interest: [
‘音乐‘,
‘电影‘,
‘中国好声音‘,
‘爸爸去哪了‘,
‘非常静距离‘
]
},
{
id: 3,
name: ‘小白‘,
interest: [
‘游泳‘,
‘游戏‘,
‘宅家里‘
]
}
];
}]);
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/Jerry-spo/p/5690065.html
