javascript - Angularjs 自定义指令范围 :true change it's parent scope

Question

我试图写一个自定义指令，我把 scope:true。据我所知，这应该采用父范围，当我们改变模型时，它应该只改变它的内部范围。但在下面的示例中，我发现每当我更改指令时，父级也会更改。谁能告诉我背后的原因。

html

<div class="container" ng-app="myModule" ng-controller="mainControll"> <div>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Exercitationem harum numquam odio, tenetur earum deleniti culpa recusandae? Temporibus expedita, porro numquam at voluptas aspernatur nemo veniam nam, vel assumenda placeat!</div>{{text}}<br/> <input type="text" class="form-control" id="exampleInputEmail1" placeholder="Email" ng-model="text"> <firstdir></firstdir> </div>

javascript

var app = angular.module("myModule",[]);
app.controller("mainControll",function($scope){
  $scope.text = "Content from controller";
});

app.directive("firstdir",function(){
  return{
    restrict:"EACM",
    replace:"true",
    scope:"true",
    template:'<p>{{text}}<br/><input type="text" class="form-control"   id="exampleInputEmail1" placeholder="Email" ng-model = "text"></p>'
  }
})

您可以找到的样本 here

提前致谢

Answer 1

在您提供的代码中，范围被分配了字符串“true”，它实际上应该是一个 bool 值 true

app.directive("firstdir",function(){ return{
restrict:"EACM",
replace:"true",
scope: true,
template:'<p>{{text}}<br/><input type="text" class="form-control" id="exampleInputEmail1" placeholder="Email" ng-model = "text"></p>'}})