/// <summary>
 /// 更新一条角色的权限
 /// </summary>
 public bool UpdatePurview(SchSystem.Model.SchUserRole model)
 {
     return(dal.UpdatePurview(model));
 }
 /// <summary>
 /// 增加一条数据
 /// </summary>
 public int  Add(SchSystem.Model.SchUserRole model)
 {
     return(dal.Add(model));
 }