hibernate中如何将对象的属性set成null?
对象FamilyRefer中有一个Date型的属性,
如何将它set成null,再用editObject()更新啊?
以下是方法:
public ModelAndView receiveTabCancel(HttpServletRequest request,
HttpServletResponse response) throws Exception {
int referId = ParamUtils.getInt(request, "referId", 0);
FamilyRefer familyRefer = (FamilyRefer)familyReferManager.getObject(FamilyRefer.class, new Long(referId));
if(familyRefer==null){
throw new Exception("咨询登记信息不存在。");
}
familyRefer.setReceiveTabDate(“这里set null”));
familyReferManager.editOjbect(familyRefer);
return new ModelAndView("redirect:referList.do");
}