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Angular_(作用域层次结构)

2024-09-27 14:48:39   214人阅读

html部分
.........................................................................................
<!doctype html>
<html ng-app="myApp">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<div ng-controller="LevelA">
    <h3>{{title}}</h3>
    ValueA = {{valueA}} <input type="button" ng-click="inc()" value="http://www.mamicode.com/+" />
    <div ng-controller="LevelB"><hr>
        <h3>{{title}}</h3>
        ValueA = {{valueA}}<br>
        ValueB = {{valueB}}
        <input type="button" ng-click="inc()" value="http://www.mamicode.com/+" />
        <div ng-controller="LevelC"><hr>
            <h3>{{title}}</h3>
            ValueA = {{valueA}}<br>
            ValueB = {{valueB}}<br>
            ValueC = {{valueC}}
            <input type="button" ng-click="inc()" value="http://www.mamicode.com/+" />
        </div>
    </div>
</div>
<script src="http://www.mamicode.com/js/angular-1.3.0.js"></script>
<script src="http://www.mamicode.com/js/作业3_作用域继承.js"></script>
</body>
</html>
...........................................................................
js部分
myApp=angular.module("myApp",[]);
myApp.controller("LevelA",function ($scope,$rootScope) {
    $scope.valueA=0;  //初始化
    $scope.valueB=0;  //初始化
    $scope.valueC=0;  //初始化
$scope.title="LevelA";

$scope.inc=function () {
    $scope.valueA++;
    $rootScope.valueB++;
    $rootScope.valueC++;
}
})
myApp.controller("LevelB",function ($scope,$rootScope) {
    $scope.title="LevelB";
    $scope.inc=function () {
        $scope.valueB++;
        $rootScope.valueC++;
    }
})
myApp.controller("LevelC",function ($scope) {
    $scope.title="LevelC";
    $scope.inc=function () {
        $scope.valueC++;
    }

})




Angular_(作用域层次结构)


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