[英]Sonata Admin edit form many to many not working - symfony2.1.6
I am having a problem with implementing the many to many relationship in the sonata admin edit form, with the following structure. 我在奏鸣曲管理编辑表单中实现多对多关系时遇到问题,具有以下结构。
purchase (id, total_price, discount, created_at)
purchase_product (purchase_id, product_id, quantity)
product (id, title, desc, price, thumbnail, created_at)
I have seen many threads and have tried the solutions listed in them. 我见过很多线程,并尝试过其中列出的解决方案。 I have tried 我试过了
->add('products', 'sonata_type_model', array('by_reference' => false))
I get the following error 我收到以下错误
No entity manager defined for class Doctrine\ORM\PersistentCollection
Then when i couldn't find a way to solve this, I switched to 然后,当我找不到解决这个问题的方法时,我切换到了
->add('products', 'sonata_type_collection', array(), array('edit' => 'inline', 'inline' => 'table')
I got the following error 我收到以下错误
INVALID MODE type : sonata_type_collection - mapping : 8
I am also unable to figure out how to get and display the quantity from the purchase_product table. 我也无法弄清楚如何从purchase_product表中获取和显示数量。
Any pointers and help is highly appreciated. 任何指针和帮助都非常感谢。
您可以尝试添加'expanded'=> true和'multiple'=> true
->add('products', 'sonata_type_model', array('expanded' => true, 'by_reference' => false, 'multiple' => true))
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