angular js 事件

（1）angular js支持的事件

• ng-click
• ng-dbl-click
• ng-mousedown
• ng-mouseenter
• ng-mouseleave
• ng-mousemove
• ng-keydown
• ng-keyup
• ng-keypress
• ng-change

         点击按钮，实现“测试”的显示与隐藏

测试
隐藏/显示

（3）自定义事件传播

               1.前提

click me

             所有的事件都是从SelfCtrl发出

            2.$broadcast

                事件发送的方法：

$scope.$broadcast

$scope.$on

angular.module('TestApp', ['ng'])
.controller('ParentCtrl', function($scope) {$scope.$on('to-child', function(e, d) {console.log('关我毛事');});
})
.controller('SelfCtrl', function($scope) {$scope.click = function () {$scope.$broadcast('to-child', 'haha');}
})
.controller('ChildCtrl', function($scope){$scope.$on('to-child', function(e, d) {console.log('I\' the child, I got it', d);});
})
.controller('BroCtrl', function($scope){$scope.$on('to-child', function(e, d) {console.log('关我毛事');});
})
;

            3.$emit

                事件发送的方法：

$scope.$broadcast

angular.module('TestApp', ['ng'])
.controller('ParentCtrl', function($scope) {$scope.$on('to-parent', function(e, d) {console.log('we are the parent, I got it', d);});
})
.controller('SelfCtrl', function($scope) {$scope.click = function () {$scope.$emit('to-parent', 'hehe');}
})
.controller('ChildCtrl', function($scope){$scope.$on('to-parent', function(e, d) {console.log('关我毛事');});
})
.controller('BroCtrl', function($scope){$scope.$on('to-parent', function(e, d) {console.log('关我毛事');});
})
;

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