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javascript - 警告 : Tried to load angular more than once during page load

转载 作者：行者123 更新时间：2023-12-03 06:37:29 27 4
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我在我的一个项目中收到此警告。这在调用我的后端 api 时会导致问题，因为它调用了 api 两次。我已经尝试过之前在论坛上发布的关于相同查询的解决方案，但我无法解决这个问题。如果有人能帮助我解决这个问题，那就太好了。下面是 app.js 和 index.html 文件。 

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>Qwinix Aptitude Test</title>
  <meta name="description" content="">
  <meta name="viewport" content="width=device-width">
  <!-- Place favicon.ico and apple-touch-icon.png in the root directory -->
  <!-- build:css(.) styles/vendor.css -->
  <!-- bower:css -->
  <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.css" />
  <!-- endbower -->
  <!-- endbuild -->
  <!-- build:css(.tmp) styles/main.css -->
  <link rel="stylesheet" href="styles/styles.css">
  <link rel="stylesheet" type="text/css" href="styles/question/normalize.css" />
  <link rel="stylesheet" type="text/css" href="styles/question/demo.css" />
  <link rel="stylesheet" type="text/css" href="styles/question/component.css" />
  <!-- <link rel="stylesheet" type="text/css" href="bower_components/font-awesome/css/font-awesome.min.css" /> -->
  <!-- <link rel="stylesheet" type="text/css" href="bower_components/semantic/dist/semantic.css"> -->
  <link rel="stylesheet" type="text/css" href="styles/scss/style.scss">
  <!-- <link rel="stylesheet" type="text/css" href="components/angular-ui/build/angular-ui.css"> -->

  <!-- endbuild -->
</head>

<body data-ng-view="" ng-app="onlineTestAngularApp">
  <!-- build:js(.) scripts/vendor.js -->
  <!-- bower:js -->
  <script src="bower_components/jquery/dist/jquery.js"></script>
  <script src="bower_components/angular/angular.js"></script>
  <script src="bower_components/bootstrap/dist/js/bootstrap.js"></script>
  <script src="bower_components/angular-animate/angular-animate.js"></script>
  <script src="bower_components/angular-aria/angular-aria.js"></script>
  <script src="bower_components/angular-cookies/angular-cookies.js"></script>
  <script src="bower_components/angular-messages/angular-messages.js"></script>
  <script src="bower_components/angular-resource/angular-resource.js"></script>
  <script src="bower_components/angular-route/angular-route.js"></script>
  <script src="bower_components/angular-sanitize/angular-sanitize.js"></script>
  <script src="bower_components/angular-touch/angular-touch.js"></script>
  <script src="bower_components/angular-local-storage/dist/angular-local-storage.js"></script>
  <script src="bower_components/moment/moment.js"></script>
  <script src="bower_components/humanize-duration/humanize-duration.js"></script>
  <script src="bower_components/angular-timer/dist/angular-timer.js"></script>
  <script src="bower_components/semantic/dist/semantic.js"></script>
  <script src="bower_components/angular-fontawesome/dist/angular-fontawesome.js"></script>
  <script src="bower_components/angular-drag-and-drop-lists/angular-drag-and-drop-lists.js"></script>
  <!-- endbower -->
  <!-- endbuild -->

  <!-- build:js({.tmp,app}) scripts/scripts.js -->
  <script src="scripts/app.js"></script>
  <script src="scripts/config.js"></script>
  <script src="scripts/controllers/main.js"></script>
  <script src="scripts/controllers/about.js"></script>
  <script src="scripts/controllers/registration.js"></script>
  <script src="scripts/services/registration.js"></script>
  <script src="scripts/controllers/question.js"></script>
  <script src="scripts/controllers/feedback.js"></script>
  <script src="scripts/services/feedback.js"></script>
  <script src="scripts/services/question.js"></script>
  <script src="scripts/controllers/index.js"></script>
  <script src="scripts/controllers/instruction.js"></script>
  <script src="scripts/services/admin.js"></script>
  <script src="scripts/controllers/admin.js"></script>
  <script src="scripts/my_jquery.ui.js"></script>
  <script src="scripts/lib/angular-timer.js"></script>
  <!-- endbuild -->
</body>
</html>

'use strict';

/**
 * @ngdoc overview
 * @name onlineTestAngularApp
 * @description
 * # onlineTestAngularApp
 *
 * Main module of the application.
 */
angular
  .module('onlineTestAngularApp', [
    'ngAnimate',
    'ngAria',
    'ngCookies',
    'ngMessages',
    'ngResource',
    'ngRoute',
    'ngSanitize',
    'ngTouch',
    'LocalStorageModule',
    'config',
    'timer'
  ])
  .config(function ($routeProvider) {
    $routeProvider
      .when('/', {
        templateUrl: 'views/registration.html',
        controller: 'registrationCtrl',
        controllerAs: 'registration'
      })
      .when('/instruction', {
        templateUrl: 'views/instruction.html',
        controller: 'instructionCtrl',
        controllerAs: 'instruction'
      })
      .when('/question', {
        templateUrl: 'views/question.html',
        controller: 'questionCtrl',
        controllerAs: 'question'
      })
      .when('/feedback', {
        templateUrl: 'views/feedback.html',
        controller: 'feedbackCtrl',
        controllerAs: 'feedback'
      })
      .when('/admin', {
        templateUrl: 'views/admin.html',
        controller: 'adminCtrl',
        controllerAs: 'admin'
      })
      .otherwise({
        redirectTo: '/'
      });
  });

最佳答案

当我的 templateUrl 设置为空白字符串并且在嵌套 state 上没有定义其他模板时，出现此错误，如下所示。

app.config(['$stateProvider', '$urlRouterProvider', function ($stateProvider, $urlRouterProvider) {
  $urlRouterProvider.otherwise('/');
  $stateProvider
    .state('main', {
      abstract: true,
      url: '',
      templateUrl: '/app/main/wrapper.html'
    })
    .state('main.welcome', {
      controller: '',
      templateUrl: '', // Causes WARNING: Tried to load angular more than once.
      url: '/'
    });
}]);

将 'main.welcome' templateUrl 更改为模板路径后，我不再收到警告。

.state('main.welcome', {
  controller: '',
  templateUrl: '/app/main/welcome.html',
  url: '/'
});

关于javascript - 警告 : Tried to load angular more than once during page load，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/38126623/

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