cakephp 3 afterSave 中的原始数据 [英] cakephp 3 original data in afterSave

问题描述

有没有办法在afterSave中访问原始数据?我想记录重要数据的更改.

Is there any way to access original data in afterSave? I would like to log the changes on important data.

使用 $entity->isNew() 我可以检查它是插入还是更新，但我怎样才能获得更改的内容?

With $entity->isNew() I could check if it was an insert or an update, but how can I get what changed?

推荐答案

您可以通过 Entity::getOriginal() 或 Entity::extractOriginal() 访问原始值>.如果要获取所有更改的字段，请将后一个与 Entity::visibleProperties() 结合起来，例如:

You can access the original values via Entity::getOriginal() or Entity::extractOriginal(). If you want to get all changed fields, combine the latter one with Entity::visibleProperties(), something like:

debug($entity->extractOriginal($entity->visibleProperties()));

这应该返回所有更改字段的原始值.

This should return the original values of all changed fields.

另见

• http://api.cakephp.org/3.0/class-Cake.Datasource.EntityTrait.html#_extractOriginal
• http://api.cakephp.org/3.0/class-Cake.Datasource.EntityTrait.html#_getOriginal
• http://api.cakephp.org/3.0/class-Cake.Datasource.EntityInterface.html#_visibleProperties

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