//判断当前用户是否重复。
private User IsExistUser(string appId, string personId)
{
User _user = null;
try
{
PrivilegeService _proxy = Common.Util.CreateProxy();
using (_proxy as IDisposable)
{
_user = _proxy.GetUserByPersonId(appId, personId);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, "提示");
return(null);
}
return(_user);
}