我有课ClassSubjectSegment{/***@CustomAssert\MyCitizenshipNumber()*/private$citizenshipNumber;/***@CustomAssert\MyDate()*/private$citizenshipNumberIssuedDate;}如果citizenshipNumber存在，我真正想做的是有效的citizenshipNumberIssuedDate...实现这一目标的最佳方法是什么 最佳答案 嗨，你应该看看http://symfony.com/doc/cu