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在Doctrine2中可以使用第三個關鍵字來管理多對多關係,以便能夠添加多個關係?如何多對多重複關係(表格中的第三個關鍵字)
我有一個「用戶」表和一個其他「計劃」表,我做了正常的多對多關係,產生user_plan表與兩個主鍵(user_id和plan_id),但我需要在我的應用程序能夠多次向用戶添加相同的計劃。例如:user_plan(generated_id,USER_ID,plan_id的數據類型)
我的當前用戶陽明定義:
Entity\FosUser:
type: entity
table: fos_user
fields:
id:
id: true
type: integer
unsigned: false
nullable: false
generator:
strategy: IDENTITY
manyToMany:
plans:
targetEntity: Plan
inversedBy: users
joinTable:
name: user_plan
joinColumns:
plan_id:
referencedColumnName: id
inverseJoinColumns:
user_id:
referencedColumnName: id
lifecycleCallbacks:
prePersist: [ setUserValue ]
preUpdate: []
我目前的計劃陽明定義:
Entity\Plan:
type: entity
table: plan
fields:
id:
id: true
type: integer
unsigned: false
nullable: false
generator:
strategy: IDENTITY
planName:
type: string
length: 50
fixed: false
nullable: false
column: plan_name
manyToMany:
users:
targetEntity: FosUser
mappedBy: plans
LifecycleCallbacks:
prePersist: [ setCreatedAtValue ]
preUpdate: [ setUpdatedAtValue ]
有人知道是否有可能做到這一點與Symfony2的?
我在其他帖子中找到了答案:http://stackoverflow.com/questions/3542243/doctrine2-best-way-to-handle-many-to-many-with-extra-columns-in-reference-table – Genar