1.明日9点
addDays(concat(substring-before(now(), "T"), "T", "09:00:00"), 1)
http://blogs.msdn.com/b/infopath/archive/2007/02/19/calculating-new-default-date-and-time-values.aspx
2.判断用户是否属于Group
使用了UserGroup.asmx UserProfileService.asmx
http://blog.symprogress.com/2011/05/infopath-list-form-hidedisable-fields-based-on-sharepoint-group-membership/