<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="https://cdn.staticfile.org/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<input type="text" ng-model="name">
<h1>{{greeting}}</h1>
<button ng-click="sayHello()">点我</button>
</div>
<script>
var app=angular.module('myApp',[]);
app.controller('myCtrl',function($scope){
$scope.name='star';
$scope.sayHello=function(){
$scope.greeting='hello '+$scope.name+'!'
}
})
</script>
</body>
</html>