// 根据邀请码注册，需要加为好友
public static void ProcessFriend(User newRegUser, MvcContext ctx)
{
IInviteService inviteService = new InviteService();
IFriendService friendService = new FriendService();
int friendId = ctx.PostInt("friendId");
if (friendId <= 0)
{
return;
}
String friendCode = ctx.Post("friendCode");
Result result = inviteService.Validate(friendId, friendCode);
if (result.HasErrors)
{
return;
}
friendService.AddInviteFriend(newRegUser, friendId);
}