console
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<script type="text/javascript" src="http://code.angularjs.org/1.5.5/angular.min.js"></script>
</head>
<body ng-app="app">
<div class="col-sm-12" ng-controller="ParentController">
<input type="text" ng-model="parentObj.greeting" placeholder="请任意输入" class="form-control"/>
<div ng-controller="ChildController">
<input type="text" ng-model="parentObj.greeting" placeholder="请任意输入" class="form-control"/>
</div>
</div>
<script type="text/javascript">
var app = angular.module('app', []);
app.controller('ParentController', ['$scope',
function($scope){
$scope.parentObj = {};
$scope.parentObj.greeting = 'Avenstar Blog......';
}
]);
app.controller('ChildController', ['$scope',
function($scope){
$scope.parentObj.greeting = 'Welcome to Avenstar Blog......';
}
]);
</script>
</body>
</html>