我正在使用Grails中一些已经创建的(不是我自己的)域类制作脚本。

class Person extends OAP {
  static hasMany = [addresses: Address]
(...)
}

class Address {
  static belongsTo = [oap: OAP]
(...)
}

p.save()
a.oap = p
println a.oap
a.save()

最佳答案

尝试p.addToAddresses(a)，然后尝试p.save()。它应该同时保存p和a。
参见http://grails.org/doc/latest/guide/5.%20Object%20Relational%20Mapping%20%28GORM%29.html#5.2.4%20Sets,%20Lists%20and%20Maps

https://stackoverflow.com/questions/7469594/