<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="/js/angular.js1.4.6/angular.min.js"></script>
<style>
.sky {
color:white;
background-color:lightblue;
padding:20px;
font-family:"Courier New";
}
.tomato {
background-color:coral;
padding:40px;
font-family:Verdana;
</style>
</head>
<body ng-app="">
<p>选择一个类:</p>
<select ng-model="home">