Angularjs 自定义指令 scope:true 更改它的父范围

Angularjs custom directive scope:true change it's parent scope

本文关键字:范围 true 自定义 指令 scope Angularjs      更新时间:2023-09-26

我试图编写一个自定义指令,我把scope:true。据我所知,这应该采用父范围,当我们更改模型时,它应该仅更改其内部范围。但是在下面的例子中,我发现当我更改指令时,父指令也会更改。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>'
  }
})

您可以在此处找到的示例

提前谢谢你

在您提供的代码中,范围分配了字符串"true",它实际上应该是一个布尔值 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>'}})