我有一个简单的PersonController类，它提供save()方法来保存来自httppost请求的对象。packageorg.rw.controller;importjava.sql.Timestamp;importjava.util.List;importorg.rw.entity.Person;importorg.rw.service.PersonService;importorg.rw.spring.propertyeditor.TimestampPropertyEditor;importorg.slf4j.Logger;importorg.slf4j.LoggerFact