添加指令时未定义控制器

添加指令时未定义控制器

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问题描述

向我的网站添加指令时出现以下错误:

I get the following error when adding a directive to my site:

Error: [ng:areq] Argument 'MainController' is not a function, got undefined

仅当我在网站中包含welcome-directive(welcome.js)时,才会发生错误.如果导入被删除,则控制器可以正常工作.

The error only occurs when I include the welcome-directive (welcome.js) in my site. If the import is removed the controller works.

我的index.html正文

Body of my index.html

<body ng-app="my-app">
  <div ng-controller="MainController">
    <welcome></welcome>
  </div>

  <!-- Angular -->
  <script src="bower_components/angular/angular.js"></script>
  <script src="js/app.js"></script>
  <script src="js/controllers/mainController.js"></script>
  <!-- Without this line the controller works -->
  <script src="js/directives/welcome.js"></script>
</body>

app.js

(function() {
  var app = angular.module('my-app', []);
})();

mainController.js

mainController.js

angular.module('my-app', [])
  .controller('MainController', ['$scope', function($scope) {
    console.log('Controller working');
  }]);

welcome.js

welcome.js

angular.module('my-app', [])
  .directive("welcome", function() {
    return {
      restrict: "E",
      template: "<div>Test test.</div>"
    };
  });

推荐答案

您正在重新定义模块.只需定义一次模块.

You are redefining the module. Define module only once.

当用作angular.module('my-app', [])时,它定义了该模块,该模块只能使用一次.当您想要检索它时.然后使用angular.module('my-app')

when used as angular.module('my-app', []) it defined the module this should be used only once. When you want retrieve it. then use angular.module('my-app')

使用

angular.module('my-app')  //Notice remove []
  .directive("welcome", function() {
  });

这篇关于Angular:添加指令时未定义控制器的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

08-22 20:28