如何将模块正确加载到angularJS中

How to load modules in to angularJS correctnly

本文关键字：加载 angularJS 模块      更新时间：2023-09-26

我的angularjs应用程序有以下布局，但我不知道如何在代码中添加新模块/第三方模块。我正在使用路由在中加载内容

我想加载ng imgcrop来裁剪一些图像。这些例子看起来很简单，但我一定有点傻。

以下是我的布局工作原理。最重要的html是：（我已经删除了所有无用的东西）

<!DOCTYPE html>
<html lang="en" ng-app="phonecatApp" ng-controller="ApplicationController">
    <head>
        <script src="scripts/jquery.min.js"      type="text/javascript"></script>
        <script src="bower_components/angular/angular.js"></script>
        <script src="bower_components/angular-route/angular-route.js"></script>
        <script type='text/javascript' src="js/ng-img-crop.js"></script>
        <!-- AngularJS -->
        <script src="js/app.js"></script>
        <script src="js/controllers.js"></script>
        <!-- Controllers -->
        <script type="text/javascript" src="controllers/application.js"></script>
        <script type="text/javascript" src="controllers/index.js"></script>
        <script type="text/javascript" src="controllers/picture.js"></script>
    </head>
    <body>
            <div ng-view></div>
    </body>
</html>

页面由controllers.js 加载

angular.module('phonecatApp', ['ngRoute']).config(['$routeProvider',
    function($routeProvider) {
        $routeProvider.
             when('/picture/', {
                templateUrl: 'views/picture.html',
                controller: 'PictureController'
            }).
            otherwise({
                templateUrl: 'views/login.html',
                controller: 'LoginController'
            });
    }]);

我试着为我的picture.js图片控制器复制这个例子：

 angular.module('phonecatApp', ['ngImgCrop']).controller('PictureController', function($scope, $http, $location) {
    $scope.thisController = 'PictureController';
    $scope.myImage='';
    $scope.myCroppedImage='';
    var handleFileSelect=function(evt) {
      var file=evt.currentTarget.files[0];
      var reader = new FileReader();
      reader.onload = function (evt) {
        $scope.$apply(function($scope){
          $scope.myImage=evt.target.result;
        });
      };
      reader.readAsDataURL(file);
    };
    angular.element(document.querySelector('#fileInput')).on('change',handleFileSelect);
});

然而，我得到以下错误：

 Error: [ng:areq] Argument 'ApplicationController' is not a function, got undefined
http://errors.angularjs.org/1.3.0/ng/areq?p0=ApplicationController&p1=not%20a%20function%2C%20got%20undefined
    at http://sssss/bower_components/angular/angular.js:80:12
    at assertArg (http://sssss/bower_components/angular/angular.js:1610:11)
    at assertArgFn (http://sssss/bower_components/angular/angular.js:1620:3)
    at http://sssss/bower_components/angular/angular.js:8319:9
    at http://sssss/bower_components/angular/angular.js:7496:34
    at forEach (http://sssss_components/angular/angular.js:343:20)
    at nodeLinkFn (http://sssss/bower_components/angular/angular.js:7483:11)
    at compositeLinkFn (http://sssss/bower_components/angular/angular.js:6991:13)
    at publicLinkFn (http://sssss/bower_components/angular/angular.js:6870:30)
    at http://sssss/bower_components/angular/angular.js:1489:27

如果我在ApplicationController中添加以下行而不是图片，我不会得到任何错误，但没有加载任何路由。

angular.module('phonecatApp', ['ngImgCrop']).controller('ApplicationController', function($scope, $location) {
});

因为你可以在app.js中编写多个控制器。根据这个演示修改你的代码

var myApp = angular.module('phonecatApp', ['ngRoute', 'ngImgCrop']).config(['$routeProvider',
  function($routeProvider) {
    $routeProvider.
    when('/picture/', {
      templateUrl: 'views/picture.html',
      controller: 'PictureController'
    }).
    otherwise({
      templateUrl: 'views/login.html',
      controller: 'LoginController'
    });
  }
]);

var pictureController = function($scope) {
  $scope.myImage = '';
  $scope.myCroppedImage = '';
  var handleFileSelect = function(evt) {
    var file = evt.currentTarget.files[0];
    var reader = new FileReader();
    reader.onload = function(evt) {
      $scope.$apply(function($scope) {
        $scope.myImage = evt.target.result;
      });
    };
    reader.readAsDataURL(file);
  };
  angular.element(document.querySelector('#fileInput')).on('change', handleFileSelect);
}
myApp.controller('pictureController ', pictureController );
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