MVC EF 修改 封装类 通用泛型方法(二)

  /// <summary>
        ///  修改 多数 数据, 个别数据除外,  proNames 不写 则是 修改全部
        /// </summary>
        /// <param name="model">要修改的实体对象(对面 过滤null 值)</param>
        /// <param name="proNames">不需要要修改的 属性 名称</param>
        /// <returns></returns>
        public int ModifyWithOutproNames<T>(T model, params string[] proNames) where T : class
        {

            DbEntityEntry entry = db.Entry<T>(model);
            entry.State = EntityState.Unchanged;
            var properties = model.GetType().GetProperties();
            for (int i = 0; i < properties.Length; i++)
            {
                if (properties[i].PropertyType.Name.Contains("ICollection")// 排除 外键  
                    || proNames.Contains(properties[i].Name)|| properties[i].GetValue(model, null)==null) continue;
                entry.Property(properties[i].Name).IsModified = true;
            }
            db.Configuration.ValidateOnSaveEnabled = false;
            return db.SaveChanges();
        }