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javascript - AngularJS 在 Controller 中注入(inject)一个模块

转载 作者:行者123 更新时间:2023-11-29 20:00:21 25 4
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我正在尝试编写一个可重用的组件,该组件将以一致的方式在我的所有页面中处理错误。问题是尽管组件可以工作,但我无法将它注入(inject)到我的 Controller 中。下面是一些代码:

应用程序.js

'use strict';


// Declare app level module which depends on filters, and services
angular.module('Popdown', ['Popdown.directives']);

angular.module('Page', ['Popdown']);

指令.js

'use strict';

/* Directives */


angular.module('Popdown.directives', []).
directive('popdown', function() {
return {
scope: {},
templateUrl: 'partials/popdown.html',
replace: true,
compile: function(cElement, attrs) {
cElement.css('position','absolute');
var h = cElement.height();
cElement.css('background-color','black');
cElement.css('height', '50px');
cElement.css('margin', '0 auto');
cElement.css('top', parseInt(-h) + 'px');
},
link: function(scope, lElement, attrs) {
scope.$watch('message', function() {
lElement.animate({
'top': '0px'
}, {
duration: 400,
easing: 'swing'
})
});
}
}
});

Controller .js

'use strict';

/* Controllers */


var PopdownCtl = function($scope) {
$scope.notify = function(message) {
$scope.icon = 'icon-notify';
$scope.message = message;
}
}


var IndexCtl = function($scope, Popdown) {
$scope.error = 'No error yet';

var msg = Math.random();
Popdown.notify(msg);

$scope.throwError = function() {

}
}

IndexCtl.$inject = ['Popdown'];

index.html

<!doctype html>
<html lang="en" ng-app>
<head>
<meta charset="utf-8">
<title>My AngularJS App</title>
<link rel="stylesheet" href="css/app.css"/>
</head>
<body>
<ul class="menu">
<li><a href="#/view1">view1</a></li>
<li><a href="#/view2">view2</a></li>
</ul>

<div ng-view></div>


<div ng-controller="IndexCtl"></div>

<div popdown></div>

<!-- In production use:
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.4/angular.min.js"></script>
-->
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="lib/angular/angular.js"></script>
<script src="js/app.js"></script>
<script src="js/services.js"></script>
<script src="js/controllers.js"></script>
<script src="js/filters.js"></script>
<script src="js/directives.js"></script>
</body>
</html>

我不断收到以下错误:

Error: Unknown provider: PopdownProvider <- Popdown
at Error (<anonymous>)
at http://localhost:8000/app/lib/angular/angular.js:2652:15
at Object.getService [as get] (http://localhost:8000/app/lib/angular/angular.js:2780:39)
at http://localhost:8000/app/lib/angular/angular.js:2657:45
at getService (http://localhost:8000/app/lib/angular/angular.js:2780:39)
at invoke (http://localhost:8000/app/lib/angular/angular.js:2798:13)
at Object.instantiate (http://localhost:8000/app/lib/angular/angular.js:2830:23)
at http://localhost:8000/app/lib/angular/angular.js:4657:24
at http://localhost:8000/app/lib/angular/angular.js:4236:17
at forEach (http://localhost:8000/app/lib/angular/angular.js:117:20)

我是 AngularJS 的新手,我觉得它很酷,但我似乎还是个菜鸟……有人能帮我理解这里发生了什么吗?

最佳答案

您在 ng-app 指令中缺少模块规范。它应该指定一个模块名称作为它的属性值。

由于您计划拥有几个可重用的模块,因此您可能希望声明一个顶层的、依赖于其他模块的应用程序模块,例如:

angular.module('app', ['Popdown', 'Page']);

然后在您的 HTML 中:

<html lang="en" ng-app="app">

我建议您阅读此文档:http://docs.angularjs.org/guide/module还有这个问题:https://stackoverflow.com/a/12339707/1418796

关于javascript - AngularJS 在 Controller 中注入(inject)一个模块,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14834226/

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