<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>ng-app指令</title> <style> .red { color: red; } .green { color: green; } </style> </head> <!-- 需要angular的代码必须包裹在ng-app的代码中 --> <!-- ng-bind遇到html的时候会转义 为了安全 --> <body ng-app="myApp1" ng-controller="ListController"> <div>aaaa</div> <div class="tips" ng-if="loading"> Loading </div> <script src="./js/Angular.js"></script> <!-- 隔行换色 --> <script> var myApp1 = angular.module('myApp1', []); myApp1.controller('ListController', ['$scope', '$timeout', function($scope, $timeout) { $scope.loading = true; $timeout(function() { $scope.loading = false; $timeout(function() { $scope.loading = true; }, 3000) }, 3000) }]) </script> </body> </html>