如何转换angularJS版本1。X控制器变成角2。X使用EM6 ngupgrade

angular.module('app', []).controller('MessagesCtrl', function() {

$scope.self.list = [
{text: 'Hello, World!'},
{text: 'This is a message'},
{text: 'And this is another message'}
];

self.clear = function() {
$scope.self.list = [];
};
});
angular.module('app', []).controller('MessagesC