Angularjs 读取$scope变量时未定义
我试图以角度(1.6.8)函数的形式读取变量Angularjs 读取$scope变量时未定义,angularjs,scope,ng-controller,Angularjs,Scope,Ng Controller,我试图以角度(1.6.8)函数的形式读取变量accessCode,但我只得到undefined HTML文件 <form ng-submit="redeem()" ng-controller="SubscriptionCtrl as subscription"> <input class="text-uppercase" type="number" ng-maxlength="6" placeholder="Indtast kode" ng-model="accessCo
accessCode
,但我只得到undefined
HTML文件
<form ng-submit="redeem()" ng-controller="SubscriptionCtrl as subscription">
<input class="text-uppercase" type="number" ng-maxlength="6" placeholder="Indtast kode" ng-model="accessCode" />
<input type="submit" class="btn btn-dark-green" value="Indløs" />
</form>
知道为什么我不能阅读$scope.accessCode吗
我想您忘了将控制器添加为ng model
的部分,
因为您使用了:
因此,在ng模型中,您必须使用:
同时将ng submit=“receive()”
更改为
ng submit=“subscription.reduce()”
因此,HTML部分如下所示:
试试这个
html中可能缺少模块
名称
app.js中的:
var app = angular.module('myApp', []);
app.controller('SubscriptionCtrl', function($scope) {
console.log($scope.accessCode);
.....
});
而不是将用作
直接将$scope注入控制器。
在HTML中:
<body ng-app="myApp">
<form ng-submit="redeem(collection.Id)" ng-controller="SubscriptionCtrl">
<input class="text-uppercase" type="number" ng-maxlength="6" placeholder="Indtast kode" ng-model="accessCode" />
<input type="submit" class="btn btn-dark-green" value="Indløs" />
</form>
</body>
跟随
希望对你有帮助 您不必将代码还原为使用$scope
,因为使用控制器作为语法更好()。您不仅需要将ng模型
绑定到控制器实例订阅
,还需要将ng提交
var-app=angular.module('myApp',[])
应用程序控制器('SubscriptionCtrl',
函数(){
var订阅=此;
subscription.reduce=函数(){
console.log(subscription.accessCode)
}
})
您做了如下操作:angular.module('myApp.controllers',[])。控制器('SubscriptionCtrl',['$scope',function($scope){/…});???你能做一个JSFIDLE或codepen吗?ng model=“subscription.accessCode”;我如何在我的函数中访问它?$scope.accessCode?访问代码没问题。$scope.redeme=function(collectionId){console.log($scope.accessCode);…};必须定义像angular.module('myApp.controllers',[]).controller('SubscriptionCtrl',['$scope',function($scope){/…})这样的控制器;?我已经定义了控制器,但为了简单起见没有定义它。抱歉:-)
ng-model="subscription.accessCode"
<form ng-submit="subscription.redeem()" ng-controller="SubscriptionCtrl as subscription">
<input class="text-uppercase" type="number" ng-maxlength="6" placeholder="Indtast kode" ng-model="subscription.accessCode" />
<input type="submit" class="btn btn-dark-green" value="Indløs" />
</form>
//creating a module
var app = angular.module("app",[]);
//registering the above controller to the module
app.controller("SubscriptionCtrl",['$scope',function ($scope){
$scope.accessCode = "";
$scope.redeem = function () {
console.log($scope.accessCode);
};
}]);
var app = angular.module('myApp', []);
app.controller('SubscriptionCtrl', function($scope) {
console.log($scope.accessCode);
.....
});
<body ng-app="myApp">
<form ng-submit="redeem(collection.Id)" ng-controller="SubscriptionCtrl">
<input class="text-uppercase" type="number" ng-maxlength="6" placeholder="Indtast kode" ng-model="accessCode" />
<input type="submit" class="btn btn-dark-green" value="Indløs" />
</form>
</body>