Javascript 如何将$cookies注入AngularJS服务?
我阅读了Javascript 如何将$cookies注入AngularJS服务?,javascript,angularjs,twitter-bootstrap,cookies,dependency-injection,Javascript,Angularjs,Twitter Bootstrap,Cookies,Dependency Injection,我阅读了$cookies的文档,它建议使用以下语法注入$cookies: angular.module('cookiesExample', ['ngCookies']) .controller('ExampleController', ['$cookies', function($cookies) { angular.module('auth', ['ngCookies']) .factory( 'auth', function($rootScope, $http, $locati
$cookies
的文档,它建议使用以下语法注入$cookies
:
angular.module('cookiesExample', ['ngCookies'])
.controller('ExampleController', ['$cookies', function($cookies) {
angular.module('auth', ['ngCookies'])
.factory( 'auth', function($rootScope, $http, $location, $cookies) {
因此,我尝试使用以下语法将$cookies
注入服务(注意工厂
而不是下面的控制器
:
angular.module('auth', ['ngCookies'])
.factory( 'auth', '$cookies', function($rootScope, $http, $location, $cookies) {
但结果是FireFox中出现了一个模糊的编译错误,使应用程序无法编译。该错误在angular-bootstrap.js
中有数万个字符,并且无法访问,因为angular-bootstrap.js
被压缩为大约20行,每行10000多个字符。因为angular-bootstrap.js代码>尚未修改,我假设错误出现在我的应用程序代码中,上面显示了唯一一行更改的代码
然后,我通过尝试以下语法注入$cookies
,解决了编译错误:
angular.module('cookiesExample', ['ngCookies'])
.controller('ExampleController', ['$cookies', function($cookies) {
angular.module('auth', ['ngCookies'])
.factory( 'auth', function($rootScope, $http, $location, $cookies) {
结果是FireFox给出了一个不同的编译错误,指出$cookies.get
不是一个函数,在以下代码行触发:
authenticated1 : $cookies.get('AUTH1'),
对我来说,这表明$cookies没有正确插入
最后,我在angular bootstrap.js
中进行了关键字搜索,并确认存在许多单词cookies
的实例,这意味着cookies
api位于类路径的该文件中,因此问题似乎出在用于将其插入服务的语法中
那么,为了将$cookies
api正确地注入auth
服务,我对上述代码做了哪些具体更改?
持续努力:
根据@charlietfl和@KenDev的建议,我尝试对服务第一行的语法进行两次更改。这两个版本都会导致编译错误,指出$cookies.get不是函数
。为了消除混淆,我将按如下方式粘贴实际服务模块中的所有代码:
//angular.module('auth', ['ngCookies']).factory( 'auth', [ '$cookies', function($rootScope, $http, $location, $cookies) {
angular.module('auth', ['ngCookies']).factory('auth', ['$rootScope', '$http', '$location', '$cookies', function($rootScope, $http, $location, $cookies){
var auth = {
authenticated1 : $cookies.get('AUTH1'),
authenticated2 : $cookies.get('AUTH2'),
usrname : '',
loginPath : '/login',
logoutPath : '/logout',
homePath : '/checkpin',
path : $location.path(),
authenticate1 : function(credentials, callback) {
var headers = credentials && credentials.username ? {
authorization : "Basic " + btoa(credentials.username + ":" + credentials.password)
} : {};
$http.get('user', {
headers : headers
}).success(function(data) {
if (data.name) {
auth.authenticated1 = $cookies.get('AUTH1');
}
else {
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
}
callback && callback(auth.authenticated1);
}).error(function() {
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
callback && callback(false);
});
},
authenticate2 : function(funcJSON, callback) {
$http.post('/check-pin', funcJSON).then(function(response, $cookies) {
if(response.data.content=='pinsuccess'){
auth.authenticated2 = $cookies.get('AUTH2');
callback && callback(auth.authenticated2);
}else {
// $cookies.put('AUTH2', 'no');
auth.authenticated2 = 'no';//$cookies.get('AUTH2');
callback && callback(false);
}
});
},
clear : function() {
$location.path(auth.loginPath);
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
// $cookies.put('AUTH2', 'no');
auth.authenticated2 = 'no';//$cookies.get('AUTH2');
$http.post(auth.logoutPath, {}).success(function() { console.log("Logout succeeded");
}).error(function(data) { console.log("Logout failed"); });
},
init : function(homePath, loginPath, logoutPath) {
auth.homePath = homePath;
auth.loginPath = loginPath;
auth.logoutPath = logoutPath;
}
};
return auth;
}]);
<!doctype html>
<html>
<head>
<base href="/" />
<link href="css/angular-bootstrap.css" rel="stylesheet">
<style type="text/css">
[ng\:cloak], [ng-cloak], .ng-cloak {
display: none !important;
}
</style>
</head>
<body ng-app="hello" ng-cloak class="ng-cloak">
<div ng-controller="navigation" class="container">
<ul class="nav nav-pills" role="tablist">
<li ng-class="{active:tab('home')}"><a href="/">home</a></li>
<li ng-class="{active:tab('message')}"><a href="/message">message</a></li>
<li ng-class="{active:tab('public1')}"><a href="/public1">public1</a></li>
<li ng-class="{active:tab('public2')}"><a href="/public2">public2</a></li>
<li ng-class="{active:tab('public3')}"><a href="/public3">public3</a></li>
<li ng-class="{active:tab('public4')}"><a href="/public4">public4</a></li>
<li ng-class="{active:tab('register')}"><a href="/register">register</a></li>
<li><a href="/login">login</a></li>
<li ng-show="authenticated2()"><a href="" ng-click="logout()">logout</a></li>
</ul>
</div>
<div ng-view class="container"></div>
<script src="js/angular-bootstrap.js" type="text/javascript"></script>
<script src="js/auth/auth.js" type="text/javascript"></script>
<script src="js/home/home.js" type="text/javascript"></script>
<script src="js/message/message.js" type="text/javascript"></script>
<script src="js/public1/public1.js" type="text/javascript"></script>
<script src="js/navigation/navigation.js" type="text/javascript"></script>
<script src="js/hello.js" type="text/javascript"></script>
</body>
</html>
请注意,我分别用以下第一行中的每一行尝试了上述方法两次:
angular.module('auth', ['ngCookies']).factory( 'auth', [ '$cookies', function($rootScope, $http, $location, $cookies) {
and then separately:
angular.module('auth', ['ngCookies']).factory('auth', ['$rootScope', '$http', '$location', '$cookies', function($rootScope, $http, $location, $cookies){
然后我尝试了@gnerkis的建议来更新AngularJS的版本。我注意到我的pom.xml
有org.webjars:AngularJS
的1.3.8
,所以我在maven central上查找了最新版本,并在我的pom.xml
中将版本更改为1.4.8
,然后键入mvn clean install-Ude>和mvn clean package-U
后接java-jar pathto/nameofjar.jar
,但出现了另一个编译错误,表示未定义angular
,并指向应用程序中每个控制器的第一个字。然后,当我将应用程序恢复到1.3.8
时,我能够重新创建@charliet本节开始时描述的fl和@KenDev错误
我还可以尝试什么?
根据@gnerkus的建议,我将我的index.html
发布如下:
//angular.module('auth', ['ngCookies']).factory( 'auth', [ '$cookies', function($rootScope, $http, $location, $cookies) {
angular.module('auth', ['ngCookies']).factory('auth', ['$rootScope', '$http', '$location', '$cookies', function($rootScope, $http, $location, $cookies){
var auth = {
authenticated1 : $cookies.get('AUTH1'),
authenticated2 : $cookies.get('AUTH2'),
usrname : '',
loginPath : '/login',
logoutPath : '/logout',
homePath : '/checkpin',
path : $location.path(),
authenticate1 : function(credentials, callback) {
var headers = credentials && credentials.username ? {
authorization : "Basic " + btoa(credentials.username + ":" + credentials.password)
} : {};
$http.get('user', {
headers : headers
}).success(function(data) {
if (data.name) {
auth.authenticated1 = $cookies.get('AUTH1');
}
else {
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
}
callback && callback(auth.authenticated1);
}).error(function() {
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
callback && callback(false);
});
},
authenticate2 : function(funcJSON, callback) {
$http.post('/check-pin', funcJSON).then(function(response, $cookies) {
if(response.data.content=='pinsuccess'){
auth.authenticated2 = $cookies.get('AUTH2');
callback && callback(auth.authenticated2);
}else {
// $cookies.put('AUTH2', 'no');
auth.authenticated2 = 'no';//$cookies.get('AUTH2');
callback && callback(false);
}
});
},
clear : function() {
$location.path(auth.loginPath);
// $cookies.put('AUTH1', 'no');
auth.authenticated1 = 'no';//$cookies.get('AUTH1');
// $cookies.put('AUTH2', 'no');
auth.authenticated2 = 'no';//$cookies.get('AUTH2');
$http.post(auth.logoutPath, {}).success(function() { console.log("Logout succeeded");
}).error(function(data) { console.log("Logout failed"); });
},
init : function(homePath, loginPath, logoutPath) {
auth.homePath = homePath;
auth.loginPath = loginPath;
auth.logoutPath = logoutPath;
}
};
return auth;
}]);
<!doctype html>
<html>
<head>
<base href="/" />
<link href="css/angular-bootstrap.css" rel="stylesheet">
<style type="text/css">
[ng\:cloak], [ng-cloak], .ng-cloak {
display: none !important;
}
</style>
</head>
<body ng-app="hello" ng-cloak class="ng-cloak">
<div ng-controller="navigation" class="container">
<ul class="nav nav-pills" role="tablist">
<li ng-class="{active:tab('home')}"><a href="/">home</a></li>
<li ng-class="{active:tab('message')}"><a href="/message">message</a></li>
<li ng-class="{active:tab('public1')}"><a href="/public1">public1</a></li>
<li ng-class="{active:tab('public2')}"><a href="/public2">public2</a></li>
<li ng-class="{active:tab('public3')}"><a href="/public3">public3</a></li>
<li ng-class="{active:tab('public4')}"><a href="/public4">public4</a></li>
<li ng-class="{active:tab('register')}"><a href="/register">register</a></li>
<li><a href="/login">login</a></li>
<li ng-show="authenticated2()"><a href="" ng-click="logout()">logout</a></li>
</ul>
</div>
<div ng-view class="container"></div>
<script src="js/angular-bootstrap.js" type="text/javascript"></script>
<script src="js/auth/auth.js" type="text/javascript"></script>
<script src="js/home/home.js" type="text/javascript"></script>
<script src="js/message/message.js" type="text/javascript"></script>
<script src="js/public1/public1.js" type="text/javascript"></script>
<script src="js/navigation/navigation.js" type="text/javascript"></script>
<script src="js/hello.js" type="text/javascript"></script>
</body>
</html>
[ng\:斗篷,[ng斗篷],.ng斗篷{
显示:无!重要;
}
这可能是由于较旧版本的angular
造成的。在的文档中,我们有以下行:
在Angular 1.3之前,$cookies公开了表示当前浏览器cookie值的属性。在版本1.4中,此行为已发生变化,$cookies现在提供了getter、setter等的标准api
您没有将依赖项正确地注入到服务中
angular.module('auth', ['ngCookies']).factory( 'auth', '$cookies', function($rootScope, $http, $location, $cookies) {}
应该是
angular.module('auth', ['ngCookies']).factory('auth', ['$rootScope', '$http', '$location', '$cookies', function($rootScope, $http, $location, $cookies){}])
请注意依赖项参数的顺序如何匹配作为字符串提供的函数注释。还要注意括号
请参阅本页的“角度文档”,特别注意
编辑,
在angular 1.3.x中,使用此语法获取和设置cookie
var storedCookie = $cookies['key']; // get
$cookies['key'] = 'something'; // set
对于controller和factory的语法差异非常明显。提示…对于controller()
和factory()中的每一个,只有两个参数
@charlietfl工厂
代码一直有效,直到我尝试注入cookies
。我仍在学习AngularJS,并对修复未损坏的东西犹豫不决。但尝试注入$cookies
会破坏它。因为缺少大括号…看看区别…控制器语法正确…使工厂语法匹配。哟对于factory(),有3个参数不是two@charlietfl请参阅我添加到OP末尾的代码,其中显示了尝试您的建议的结果。还有其他观察结果吗?@CodeMed,在angular 1.3.x中,请尝试使用var-favoriteCookie=$cookies['AUTH1']
我将pom.xml
中的org.webjars:angularjs
的版本改为1.4.8
,而不是以前的1.3.8
,然后键入mvn clean install-U
和mvn clean package-U
,然后用新创建的jar
重新启动应用程序,但结果不同eFox编译错误ReferenceError:angular未在应用程序中每个控制器的以下代码行定义:angular.module('auth',…
。有什么建议吗?我想不出来。我对maven
没有很好的理解。脚本是如何加载到页面上的?你能给我看一个代码示例吗?我知道如何使用firefox调试器。有什么方法可以提取吗