问使用SiteData while服务进行爬网时的Sharepoint文档唯一标识符

EN

// this is the identifier for UniqueId
Guid g = new Guid("4b7403de8d9443e89f0f137a3e298126");
// we will need these for reflection in a bit
BindingFlags bf = BindingFlags.NonPublic | BindingFlags.Instance;
using (SPSite s = new SPSite("http://SharePoint/")) {
  // grab the list that contains what you want indexed
  // and the UniqueId field from that list
  SPList l = s.RootWeb.Lists["Your Custom List/Library"];
  SPField f = l.Fields[g];
  // We need to call the private method SetFieldBoolValue
  // to allow us to change the Hidden property to false
  MethodInfo mi = f.GetType().GetMethod("SetFieldBoolValue", bf);
  mi.Invoke(f, new object[] { "CanToggleHidden", true });
  f.Hidden = false;
  f.Update();
}