ActiveRecordException
com.jfinal.plugin.activerecord.ActiveRecordException: You can't update model without Primary Key, id can not be null.
jfinal更新信息的时候，返回错误： com.jfinal.plugin.activerecord.ActiveRecordException: You can't update model without Primary Key, id can not be null. 解决： 查看自已设置的I ......