<html><script src="https://cdn.staticfile.net/angular.js/1.6.9/angular.min.js"></script><body ng-app="myApp"><div ng-controller="myCtrl"> <p>请在输入框中输入一些内容：</p> <input type="text" ng-change="myFunc()" ng-model="myValue" /> <p>输入框内容已更改 {{count}} 次。</p></div><script> angular.module('myApp', []) .controller('myCtrl', ['$scope', function($scope) { $scope.count = 0; $scope.myFunc = function() { $scope.count++; }; }]);</script></body></html>