// 参数的解释
// constructor 可以是 function 也可以是 string 
//      如果传入一个 function, 就会当成 controller 的构造函数
//      如果传入一个 string，就会根据字符串去$controllerProvider 找 注册的 controller
//locals 是一个对象，注入来自局部的 controller ,在这里我们认为 child controller
$controller(constructor, locals, [bindings])

myApp.controller("ParentCtrl", function($scope){
  $scope.name = "darren";
})

myApp.controller("ChildCtrl", function($scope){

})

<div ng-controller="ParentCtrl">
  <label>父控制器中的name变量值</label> <input ng-model="name" />
  <div ng-controller="ChildCtrl">
     <label>子控制器中的name变量值</label> <input ng-model="name" />
     
     <ul>
      <li>child controller name: {{name}}</li>
      <li>parent controller name: {{$parent.name}}</li>
     </ul>
  </div>
</div>

myApp.controller("ParentCtrl", function($scope){
  $scope.vm = {
    name: "John"
  };
})

myApp.controller("ChildCtrl", function($scope){

})

<div ng-controller="ParentCtrl">
  <label>父控制器中的vm.name变量值</label> <input ng-model="vm.name" />
  <div ng-controller="ChildCtrl">
     <label>子控制器中的vm.name变量值</label> <input ng-model="vm.name" />
     
     <ul>
      <li>child controller name: {{vm.name}}</li>
      <li>parent controller name: {{$parent.vm.name}}</li>
     </ul>
  </div>
</div>

myApp.controller("ArrayCtrl", function($scope){
  $scope.myArray = ["John", "Andrew"];
  
  $scope.add = function(name){
    $scope.myArray.push(name);
  }
})

myApp.controller("CollectionCtrl", function($scope){

})

<div ng-controller="ArrayCtrl">
  <label>My Array:</label><span>{{myArray}}</span>
  
  <label>parent controller:</label>
  <input ng-model="parentName" />
  <button ng-click="add(parentName)">Add New Item</button>
  
  <div ng-controller="CollectionCtrl">
    <label>child controller:</label>
    <input ng-model="childName" />
    <input type="number" ng-model="index" />
    <button ng-click="add(childName)">Add New Item</button>
  </div>
</div>

myApp.controller("CollectionCtrl", function($scope){
  //插入到某个位置
  $scope.add = function(name, index){
    $scope.myArray.splice(index,0, name);
  }
})

<div ng-controller="ArrayCtrl">
  <label>My Array:</label><span>{{myArray}}</span>
  
  <label>parent controller:</label>
  <input ng-model="parentName" />
  <button ng-click="add(parentName)">Add New Item</button>
  
  <div ng-controller="CollectionCtrl">
    <label>child controller:</label>
    <input ng-model="childName" />
    <input type="number" ng-model="index" />
    <button ng-click="add(childName, index)">Add New Item</button>
  </div>
</div>

(function() {
  'use strict';

  angular
    .module('DemoApp')
    .controller('BaseCtrl', BaseCtrl);

  //手动注入一些服务
  BaseCtrl.$inject = ['$scope','CRUDServices'];

  /* @ngInject */
  function BaseCtrl($scope,CRUDServices) {
    var _this = this;
    //当前 controller 提供一些方法
    _this.bFormValid = formValid;

    activate();

    ////////////////

    //初始化时候调用
    function activate() {

      getList();
    }

    // 获取数据列表
    function getList() {
      //把当前的结果赋值给 bList 属性上
      _this.bList = CRUDServices.getList();
    }

    // 表单验证
    function formValid(){

      //do some thing
      return false;
    }
  }
})();

(function() {
  'use strict';

  angular
    .module('DemoApp')
    .service('ExtendServices', ExtendServices);

  ExtendServices.$inject = [];

  /* @ngInject */
  function ExtendServices() {

    return {
      getList: getList  //获取 list 列表
    }

    ////////////////

    function getList() {
      return [{ id: 1, name: '张三' }, { id: 2, name: '李四' }]
    }
  }
})();

(function() {
  'use strict';

  angular
    .module('DemoApp')
    .controller('ChildCtrl', ChildCtrl);

  //手动注入一些服务
  //ExtendServices 用来提供数据的 Servie
  ChildCtrl.$inject = ['$scope', '$controller','ExtendServices'];

  /* @ngInject */
  function ChildCtrl($scope, $controller,ExtendServices) {

    var vm = this;

    //调用我们父 controller 
    var parentCtrl = $controller('BaseCtrl', { $scope, $scope,CRUDServices:ExtendServices })

    //通过 angular.extend 把父控制器上的 方法和属性 绑定到 子的对象上
    angular.extend(vm, parentCtrl);


    activate();

    ////////////////

    function activate() {
      
      //调用表单验证方法
      vm.bFormValid();      
      
    }
  }
})();

<div>
  <!-- 直接绑定 vm.bList 就会看到输出结果-->
  <div ng-repeat="item in vm.bList">{{item}}</div>
</div>