引用错误:角度未在应用程序中定义.js第 1 行

index.js

angular.module("travel")
.controller('LoginCtrl', function($scope, AuthService, $ionicPopup, $state) {
  $scope.user = {
    name: '',
    password: ''
  };
  $scope.login = function() {
    AuthService.login($scope.user).then(function(msg) {
      $state.go('inside');
    }, function(errMsg) {
      var alertPopup = $ionicPopup.alert({
        title: 'Login failed!',
        template: errMsg
      });
    });
  };
})
.controller('RegisterCtrl', function($scope, AuthService, $ionicPopup, $state) {
  $scope.user = {
    name: '',
    password: ''
  };
  $scope.signup = function() {
    AuthService.register($scope.user).then(function(msg) {
      $state.go('outside.login');
      var alertPopup = $ionicPopup.alert({
        title: 'Register success!',
        template: msg
      });
    }, function(errMsg) {
      var alertPopup = $ionicPopup.alert({
        title: 'Register failed!',
        template: errMsg
      });
    });
  };
})
.controller('InsideCtrl', function($scope, AuthService, API_ENDPOINT, $http, $state) {
  $scope.destroySession = function() {
    AuthService.logout();
  };
  $scope.getInfo = function() {
    $http.get(API_ENDPOINT.url + '/memberinfo').then(function(result) {
      $scope.memberinfo = result.data.msg;
    });
  };
  $scope.logout = function() {
    AuthService.logout();
    $state.go('outside.login');
  };
})
.controller('AppCtrl', function($scope, $state, $ionicPopup, AuthService, AUTH_EVENTS) {
  $scope.$on(AUTH_EVENTS.notAuthenticated, function(event) {
    AuthService.logout();
    $state.go('outside.login');
    var alertPopup = $ionicPopup.alert({
      title: 'Session Lost!',
      template: 'Sorry, You have to login again.'
    });
  });
});

应用.js

angular.module("travel" ,['ionic'])
.config(function($stateProvider, $urlRouterProvider) {
  $stateProvider
  .state('outside', {
    url: '/outside',
    abstract: true,
    templateUrl: 'templates/outside.html'
  })

索引.html

  <!DOCTYPE html>
    <html>
        <head>
            <script type="text/javascript" src="angular.js"></script>
            <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.1/angular.js"></script>
            <script src="js/app.js"></script>
            <script src="js/controllers.js"></script>
            <script src="js/services.js"></script>
            <script src="js/constants.js"></script>       
            <link rel="stylesheet" type="text/css" href="css/index.css">
            <title>FinalYearProject</title>
        </head>
        <body ng-app="travel" ng-controller="AppCtrl">
            <ui-view></ui-view>
        </body>
    </html>

通过添加 Angular 的 CDN，我得到了 Angular js 未定义错误，现在我收到错误，例如找不到"旅行"模块Anugular js 代码也更新为索引 js请帮助我解决此错误

HTML：

    <!DOCTYPE html>
    <html>
    <head>
        <script src="../bower_components/angular/angular.min.js"></script>
        <script src="../bower_components/angular-ui-router/release/angular-ui-router.min.js"></script>
// Some ionic reference
        <script src="app.js"></script>
        <script src="index.js"></script>
        <title>FinalYearProject</title>
    </head>
    <body ng-app="travel" ng-controller="AppCtrl">
        <div ui-view>
            {{1+1}}
        </div>
    </body>
    </html>

应用.js

(function () {
    'use strict';
    var app = angular.module('travel', ['ui.router','ionic']);
    //Configuration for Angular UI routing.
    app.config([
        '$stateProvider', '$urlRouterProvider',
        function ($stateProvider, $urlRouterProvider, $locationProvider) {
            $stateProvider
                .state('outside', {
                    url: '/outside',
                    template: '<h1>My Contacts</h1>'
                });
            $urlRouterProvider.otherwise('/outside');
        }
    ]);
})();

角度 js 未定义错误可能是因为无法访问 CDN。因此，不会创建角度变量，并且在您的应用程序中.js到达angular.module("travel" ,['ionic'])行时，找不到角度。

另一方面，您的"旅行"模块已正确定义。

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