/// <summary>
/// 新增角色。
/// </summary>
/// <param name="dto">待新增角色的信息。</param>
/// <returns>新角色的Id。</returns>
public static string InsertRole(RoleDTO dto)
{
Role r = new Role();
r.Id = IdGen.GetNextId(typeof(Role));
r.Name = dto.Name;
r.Remark = dto.Remark;
r.OrderId = dto.OrderId;
RoleType rt = Db.Session.Load(typeof(RoleType), dto.RoleTypeId) as RoleType;
rt.AddRole(r);
Db.TransInsert(r);
return(r.Id);
}