$ http.post不确定是不是一个函数 [英] $http.post undefined is not a function

问题描述

我想实现一个简单的$ HTTP POST具有角这个控制器中。

I am trying to implement a simple $http post with angular within this controller.

app.controller('LoginCtrl',['$scope','admin','$http',function($scope,$http,admin){
    $scope.isAdmin = admin.isAdmin;
    $scope.logout = admin.logout;

    $scope.login = function(){
        if(!$scope.username || !$scope.password ){ return; }
        $http.post('/login',{ username: $scope.username, password: $scope.password });
        $scope.username = '';
        $scope.password = '';
    };
}]);

这部分

$http.post('/login',{ username: $scope.username, password: $scope.password });

抛出这个错误

TypeError: undefined is not a function
    at l.$scope.login (http://localhost:3000/javascripts/angularApp.js:165:9)
    at hb.functionCall (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:198:426)
    at Cc.(anonymous function).compile.d.on.f (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:214:485)
    at l.$get.l.$eval (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:126:193)
    at l.$get.l.$apply (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:126:419)
    at HTMLFormElement.<anonymous> (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:215:36)
    at HTMLFormElement.c (http://ajax.googleapis.com/ajax/libs/angularjs/1.3.10/angular.min.js:32:363)

下面是用户界面视图的HTML。

here is the HTML for the ui-view.

<script type="text/ng-template" id="/login.html">
    <button id="logout" class="btn btn-default" ng-click="logout()" ng-show="isAdmin()">Log Out</button>
    <div ng-controller="LoginCtrl">
      <form id="login" ng-submit="login()">
        <h2>The Login Page.</h2>
        <label>Username:</label>
        <input type="text" ng-model="username" placeholder="username"/>
        <label>Password:</label>
        <input type="password" ng-model="password" placeholder="password"/>
        <button type="submit" class="btn btn-primary">Submit</button>
      </form>
    </div>
  </script>

我已经检查了语法，一切看起来正确的，当我控制器scope.Yet出于某种原因，因为被抛出一个错误，我不能让这个帖子请求中CONSOLE.LOG它$ HTTP是被认可为一个对象。我使用前pressjs服务的内容，我的'/登录当前路线只是一个简单的response.send（'发送响应！'）。正如你在我采用了棱角分明的UI路由器的HTML，其中我也有这方面的.STATE集，看是否需要提供请让我知道。

I have checked the syntax, everything looks correct, $http is being recognized as an object when I console.log it within the controllers scope.Yet for some reason I cannot make this post request because an error is being thrown. I am using expressjs to serve the content, and my current route for '/login' is just a simple response.send('response sent!'). As you can see in the HTML I am using angular ui-router, in which I also have a .state set for it, if this needs to be provided please let me know.

我一直受挫这一点，因为这是清楚知道的功能，我不能在网上找到帮助我确切的问题的任何资源。我已经试过了头，和其他在线解决方案设置内容类型，但什么也没有帮助。看起来这可能是一些愚蠢的，但我不能找到它。

I have been frustrated about this because this is clearly known function, and I cannot find any resources online to help me with the exact problem. I have tried setting the content type in the headers, and other online solutions but nothing has been helping. It seems like it may be something stupid, but I can't find it.

我想AP preciate任何输入或帮助，谢谢。

I would appreciate any input or help, thank you.

推荐答案

依赖注入顺序是错误的。

Dependency injection order is wrong

app.controller('LoginCtrl',['$scope','admin','$http',function($scope,$http,admin){ ...

应

app.controller('LoginCtrl',['$scope','$http', 'admin', function($scope,$http,admin){ ...

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