[英]How to load modules in to angularJS correctnly
我的angularjs应用程序具有以下布局,但无法解决如何向代码中添加新模块/第三方模块的问题。 我正在使用路由来加载内容。
我想加载ng-imgcrop来裁剪一些图像。 例子看起来很简单,但我一定有点傻。
这是我的布局的工作方式。 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) {
$routeProvider.
when('/picture/', {
templateUrl: 'views/picture.html',
controller: 'PictureController'
}).
otherwise({
templateUrl: 'views/login.html',
controller: 'LoginController'
});
}]);
我尝试为我的picture.js图片控制器复制示例:
angular.module('phonecatApp', ['ngImgCrop']).controller('PictureController', function($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){
$scope.myImage=evt.target.result;
});
};
reader.readAsDataURL(file);
};
angular.element(document.querySelector('#fileInput')).on('change',handleFileSelect);
});
但是我得到以下错误:
Error: [ng:areq] Argument 'ApplicationController' is not a function, got undefined
http://errors.angularjs.org/1.3.0/ng/areq?p0=ApplicationController&p1=not%20a%20function%2C%20got%20undefined
at http://sssss/bower_components/angular/angular.js:80:12
at assertArg (http://sssss/bower_components/angular/angular.js:1610:11)
at assertArgFn (http://sssss/bower_components/angular/angular.js:1620:3)
at http://sssss/bower_components/angular/angular.js:8319:9
at http://sssss/bower_components/angular/angular.js:7496:34
at forEach (http://sssss_components/angular/angular.js:343:20)
at nodeLinkFn (http://sssss/bower_components/angular/angular.js:7483:11)
at compositeLinkFn (http://sssss/bower_components/angular/angular.js:6991:13)
at publicLinkFn (http://sssss/bower_components/angular/angular.js:6870:30)
at http://sssss/bower_components/angular/angular.js:1489:27
如果我将以下行添加到ApplicationController而不是图片,则不会出现任何错误,但不会加载任何路由。
angular.module('phonecatApp', ['ngImgCrop']).controller('ApplicationController', function($scope, $location) {
});
由于您可以在app.js中编写多个控制器。 根据此演示修改您的代码
var myApp = angular.module('phonecatApp', ['ngRoute', 'ngImgCrop']).config(['$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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