在sharepoint中使用web服务获取访问群体成员

使用sharepoint api(包含您添加的程序集,但需要您在服务器上运行的程序集)很容易获得访问群体成员:

using (SPSite site = new SPSite("http://localhost"))
{
  ServerContext svrContext = ServerContext.GetContext(site);
  AudienceManager audManager = new AudienceManager(svrContext);
  foreach (Audience audience in audManager.Audiences)
  {
    ArrayList people = audience.GetMembership();
    if (people != null)
    {
      foreach (UserInfo user in people)
      {
        Console.WriteLine("send email to " + user.Email);
      }
    }       
}

但是我找不到 web service 做同样的事?