多个控制器的数据共享的两种方法



<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <script src="https://cdn.staticfile.org/angular.js/1.4.6/angular.min.js"></script>
    </head>
    <body>
        <div ng-app="myApp">
            <div ng-controller="firstController">
                <!--ng-model="data.name"表示此表单的输入值与data.name双向绑定-->
                <input type="text" ng-model="data.name">
                <p>
                    first:{{data.name}}
                </p>
            </div>
            <div ng-controller="secondController">
                <p>
                    second:{{thisData.name}}
                </p>
            </div>
            <hr/>

            <div ng-controller="onecontroller">
                <input type="text" ng-model="data.name">
                <p>one:{{data.name}}</p>
            </div>

            <div ng-controller="twocontroller">
                <p>two:{{data.name}}</data></p>
            </div>
        </div>
        <script>

            /*
            *解决方法1
            */
            var app=angular.module("myApp",[]);
            app.controller("firstController",function($scope){
                console.log($scope);
                //创建data对象
                $scope.data={
                    name:"张三"
                };
            });
            app.controller("secondController",function($scope){
                console.log($scope);
                //此命名空间的data等于上一个兄弟的data对象,即指针指向了firstcontroller控制器的data,
                //所以当firstcontroller的data对象的属性发生变化时,因为angular是双向绑定的,所以此控制器的data对象也会发生改变
                //如果是基本变量,
                //虽然firstController的data赋值给了此控制器data,但当data值改变时,不会触发此控制器脏指令
                $scope.thisData=$scope.$$prevSibling.data;
            });
            /*
            *解决方法2
            */
            app.factory("Data",function(){
                return{
                    name:"李四"
                };
            });
            app.controller('onecontroller',function($scope,Data){
                $scope.data=Data;

            });
            app.controller('twocontroller',function($scope,Data){
                $scope.data=Data;
            });
        </script>
    </body>
</html>

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转载自blog.csdn.net/qq_44858021/article/details/91905762