<!DOCTYPE HTML>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="angular.min.js"></script>
<script>
var m1 = angular.module(‘myApp‘,[]);
m1.controller(‘may‘,[‘$scope‘,‘$interpolate‘,function ($scope,$interpolate){
$scope.$watch(‘key‘,function(newVal){
if(newVal){
var temp = $interpolate(newVal);
$scope.showtime = temp({name:$scope.name})
}
});
$scope.$watch(‘name‘,function(newVal){
if(newVal){
var temp = $interpolate(newVal);
$scope.showtime = temp({name:$scope.name})
}
})
}])
</script>
</head>
<body ng-controller=‘may‘>
<input type="text" ng-model=‘name‘>
<textarea ng-model=‘key‘></textarea>
<p>{{showtime}}</p>
</body>
</html>
原文：http://www.cnblogs.com/mayufo/p/5027770.html