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我想从指令的链接或控制器函数中访问ng-repeat中的数据。我的指令代码如下所示。指令AngularJs中的链接函数的访问范围?
app.directive('ssLeftNavDirective', function($rootScope) {
// Runs during compile
return {
templateUrl: 'leftnavmenu.html',
scope: {
displayMode: '='
},
controller: function($scope) {
$scope.tests = ['health check', 'Performance Monitor', 'Compare Test', 'API Helpdesk'];
$scope.troubleshooting = ['Trouble Shooting 1', 'Trouble Shooting 2', 'Trouble Shooting 3'];
$scope.help = ['Help 1', 'Help 2', 'Help 3'];
$scope.settings = ['Settings 1', 'Settings 2', 'Settings 3'];
},
link: function($scope, iElm, iAttrs, controller) {
$scope.menuDisplayed = true;
$scope.tests = ['health check', 'Performance Monitor', 'Compare Test', 'API Helpdesk'];
$scope.troubleshooting = ['Trouble Shooting 1', 'Trouble Shooting 2', 'Trouble Shooting 3'];
$scope.help = ['Help 1', 'Help 2', 'Help 3'];
$scope.settings = ['Settings 1', 'Settings 2', 'Settings 3'];
}
};
});
我将它添加到控制器和链接中,以测试它。
这是该指令的模板:
<div id="menudiv">
<nav id="leftnavmenu" ng-class="menuDisplayed ? 'navon' : 'navoff'">
<a href="#" ng-repeat="nav in displayMode">{{nav}}</a>
</nav>
<i class="fa hamburgermenu" aria-hidden="true"
ng-class="menuDisplayed ? 'menuon fa-times' : 'menuoff fa-bars'"
ng-click="menuDisplayed = !menuDisplayed">
</i>
在主HTML我加入这样的指令和范围值。
<ss-left-nav-directive display-mode="tests"></ss-left-nav-directive>
为什么不从显示模式范围传递测试?我在这里做错了什么?
如果'tests'阵列属于你的指令,那么你不需要使用隔离范围来获得它。你可以简单地使用'$ scope.tests'来检索它。如果属于父控制器,然后再看@ 32teeth的回答下面 – Ladmerc
该指令控制器和向链路功能访问的指令的**隔离** *孩子*范围。指令双向'='绑定属性访问*父*范围变量。有关更多信息,请参阅[AngularJS开发人员指南 - 隔离指令的范围](https://docs.angularjs.org/guide/directive#isolating-the-scope-of-a-directive) – georgeawg