Question

我遇到了指令

范围内的问题

尝试以下链接（尝试第二个和第三个输入框，他们应该共享相同的ng模型）

https://output.jsbin.com/rudimihuha

基本上我有一个指令和一个ng-rpeat，在某种程度上范围在ng-repeat中丢失了，为什么它这样做？

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<head>
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<body ng-app="MyApp">
<test></test>
<script>
var myApp = angular.module('MyApp', []);
console.log('hit');

myApp.directive('test', function () {
    return {
        restrict: 'E',
        template: "<div>inertanl - {{formResult}} <input type=\"text\" ng-model=\"formResult\"> <div> <div ng-repeat=\"(key, value) in ['test', 'test2']\"> <input type=\"text\" ng-model=\"formResult\"> </div></div>",
        replace: true,
        scope: {
            ngModel : '='
        }
    };
});
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Answer 1

根据Angular文档，ng-repeat创建一个新范围。

您可以在此处详细了解：https://docs.angularjs.org/api/ng/directive/ngRepeat

Answer 2

正如约翰尼所说，范围不一样。如果你想从孩子那里访问父范围你可以做$ parent（下面的代码将保持你所有的输入同步）

var myApp = angular.module('MyApp', []);
console.log('hit');

myApp.directive('test', function () {
    return {
        restrict: 'E',
        template: "<div>inertanl - {{formResult}} <input type=\"text\" ng-model=\"formResult\"> <div> <div ng-repeat=\"(key, value) in ['test', 'test2']\"> <input type=\"text\" ng-model=\"$parent.formResult\"> </div></div>",
        replace: true,
        scope: {
            ngModel : '='
        }
    };
});

指令中的Ng-repeat丢失范围

2 个答案: