                        课程
                    
                        /前端开发
                        
                            /Angular
                        
                        /使用AngularJS开发下一代Web应用

点击按钮没反应啊

点击没有增加啊，

$emit 和 $broadcast 咋用啊？没找到相关文档，
老师那个 scope2.js 里面的代码能分享一下吗

吕小草

2017-03-17

源自：使用AngularJS开发下一代Web应用 2-1

关注问题我要回答

1155

操作

收起

2 回答

bilibili_
2017-03-21

/**
* Created by Administrator on 2017/3/21.
*/
var booksStoreModule = angular.module('my.new.module',[]);
booksStoreModule.service('Book',['$rootScope',function ($rootScope) {
var service = {
books:[
{title:'测试',author:'周斌'},
{title:'angular',author:'周斌'}
],
addBook:function (book) {//传入对象，对象包括书名和作者
service.books.push(book);
$rootScope.$broadcast('books.update');
}
}
return service;
}]);

booksStoreModule.controller('book.list',['$scope','Book',function (scope,Book) {
scope.$on('books.update',function (event) {
scope.books = Book.books;
scope.$apply();
});
scope.books = Book.books;
}]);

booksStoreModule.directive('addBookButton',['Book',function (Book) {
return{
restrict:'A',
link:function (scope,element,attrs) {
element.bind('click',function () {
Book.addBook({title:'643534',author:'怎么这么难'});
});
}
}
}]);