Javascript 如何在Bookshelf.js中进行嵌套插入
如何将这样的对象插入到Book和Page两个表中Javascript 如何在Bookshelf.js中进行嵌套插入,javascript,bookshelf.js,Javascript,Bookshelf.js,如何将这样的对象插入到Book和Page两个表中 var book = { name: 'Hello', author: 'World', pages: [{ pagetitle: 'intro', book: 8 }, { pagetitle: 'chaptessr1', book: 8 }] }; 我认为你可能在寻找某种捷径,但不要认为有捷径: var Promise = require
var book = {
name: 'Hello',
author: 'World',
pages: [{
pagetitle: 'intro',
book: 8
}, {
pagetitle: 'chaptessr1',
book: 8
}]
};
我认为你可能在寻找某种捷径,但不要认为有捷径:
var Promise = require('bluebird');
var Book = bookshelf.Model.extend({
tableName: 'books'
});
var Page = bookshelf.Model.extend({
tableName: 'pages'
});
var Pages = bookshelf.Collection.extend({
model: Page
});
Book.forge({name: 'Hello', author: 'World'}).save()
.then(function(book) {
var pages = Pages.forge([
{pagetitle: 'intro', book: book.id},
{pagetitle: 'chatessr1', book: book.id}
]);
return pages.invokeThen('save', null);
}).then(function(){
// now all the pages and the book should be saved
});
以下是指向书架文档中最干净方式的链接: 它将是这样的:
return Promise.map(pages, (page) => book.related('pages').create(page));
我在找一条捷径。就像它可以使用withRelated参数从多个表中检索嵌套数据一样,我也可以进行插入吗?我认为没有快捷方式。这不应该包装在事务中吗?