app.factory('Book', ['$http', function($http) { function Book(bookData) { if (bookData) { this.setData(bookData): } // Some other initializations related to book }; Book.prototype = { setData: function(bookData) { angular.extend(this, bookData); }, delete: function() { $http.delete('ourserver/books/' + bookId); }, update: function() { $http.put('ourserver/books/' + bookId, this); }, getImageUrl: function(width, height) { return 'our/image/service/' + this.book.id + '/width/height'; }, isAvailable: function() { if (!this.book.stores || this.book.stores.length === 0) { return false; } return this.book.stores.some(function(store) { return store.quantity > 0; }); } }; return Book; }]);
现在，多个controller可以使用同一个booksManager服务。
app.controller('EditableBookController',['$scope', 'booksManager', function($scope, booksManager){ booksManager.getBook(1).then(function(book){ $scope.book = book; }) }]) .controller('BooksListController',['$scope', 'booksManager', function($scope, booksManager){ booksManager.loadAllBooks().then(function(books){ $scope.books = books; }) }])
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