Javascript AngularJS:'$scope 未定义'

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时间:2020-08-23 03:16:59  来源:igfitidea点击:

AngularJS: '$scope is not defined'

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提问by tonejac

I keep getting '$scope is not defined' console errors for this controller code in AngularJS:

对于 AngularJS 中的此控制器代码,我不断收到“$scope 未定义”控制台错误:

angular.module('articles').controller('ArticlesController', ['$scope', '$routeParams', '$location', 'Authentication', 'Articles',
        function($scope, $routeParams, $location, Authentication, Articles){
            $scope.authentication = Authentication;
        }
    ]);


$scope.create = function() { // THROWS ERROR ON THIS INSTANCE OF $SCOPE
    var article = new Articles({
        title: this.title,
        content: this.content
    });

    article.$save(function(response) {
        $location.path('articles/' + response._id);
    }, function(errorResponse) {
        $scope.error = errorResponse.data.message;
    });
};

Where in my AngularJS MVC files should I be looking at to find problems with the $scope not being defined properly?

我应该在我的 AngularJS MVC 文件中的哪个位置查找 $scope 未正确定义的问题?

回答by Rhono

For others who land here from Google, you'll get this error if you forget the quotes around $scopewhen you're annotating the function for minification.

对于从 Google 登陆这里的其他人,如果$scope您在注释函数以进行缩小时忘记了引号,您将收到此错误。

Error

错误

app.controller('myCtrl', [$scope, function($scope) {
  ...
}]);

Happy Angular

快乐角

app.controller('myCtrl', ['$scope', function($scope) {
  ...
}]);

回答by squiroid

Place that code inside controller:-

将该代码放在控制器中:-

angular.module('articles').controller('ArticlesController', ['$scope', '$routeParams', '$location', 'Authentication', 'Articles',
        function($scope, $routeParams, $location, Authentication, Articles){
            $scope.authentication = Authentication;

$scope.create = function() { // THROWS ERROR ON THIS INSTANCE OF $SCOPE
    var article = new Articles({
        title: this.title,
        content: this.content
    });

    article.$save(function(response) {
        $location.path('articles/' + response._id);
    }, function(errorResponse) {
        $scope.error = errorResponse.data.message;
    });
};
        }
    ]);

回答by Hornth

Just put you $scope.create function inside your controller. Not outside !

只需将 $scope.create 函数放在控制器中即可。不在外面!

$scope is only defined in controllers, each controller have its own. So write $scope outside your controller can't work.

$scope 仅在控制器中定义,每个控制器都有自己的。所以在你的控制器之外写 $scope 是行不通的。

回答by yasin

Check scope variable declared after controller defined. Eg:

检查定义控制器后声明的范围变量。例如:

    var app = angular.module('myApp','');
     app.controller('customersCtrl', function($scope, $http) {
     //define scope variable here.

});

Check defined range of controller in view page.

检查视图页面中定义的控制器范围。

Eg:

例如:

<div ng-controller="mycontroller">
//scope variable used inside these blocks

<div>