-3
我有3个表格。Symfony2学说关系
Product
+-----+-----------+
| id | name |
+-----+-----------+
| 1 | Product 1 |
+-----+-----------+
| 2 | Product 2 |
+-----+-----------+
Categories
+-----+-----------+
| id | name |
+-----+-----------+
| 1 | cat 1 |
+-----+-----------+
| 2 | cat 2 |
+-----+-----------+
ProductCategories
+-----+------+------+
| id | p_id | c_id |
+-----+------+------+
| 1 | 1 | 1 |
+-----+------+------+
| 2 | 1 | 2 |
+-----+------+------+
| 3 | 2 | 1 |
+-----+------+------+
问:
- 我需要建立一个3实体?产品,类别和产品分类
- 如何按类别进行产品编号,它们应包含有关其分配的类别的信息?
- 创建新产品并从列表中记录的List,category_id和product_id中指定一个类别:product_categories?
也许你需要先阅读这个http://symfony.com/doc/current/doctrine.html – yceruto