/// <summary>

         /// 实体差异比较器

         /// </summary>

         /// <param name="source">源版本实体</param>

         /// <param name="current">当前版本实体</param>

         /// <returns>true 存在变更 false 未变更</returns>

         protected static bool DifferenceComparison<T1, T2>(T1 source, T2 current,List<string> exclude) where T1 : MBase where T2 : MBase

         {

             Type t1 = source.GetType();

             Type t2 = current.GetType();

             PropertyInfo[] property1 = t1.GetProperties();

             //排除主键和基础字段

             //List<string> exclude = new List<string>() { "Id", "InsertTime", "UpdateTime", "DeleteTime", "Mark", "Version", "Code" };

             foreach (PropertyInfo p in property1)

             {

                 string name = p.Name;

                 if (exclude.Contains(name)) { continue; }

                 string value1 = p.GetValue(source, null)?.ToString();

                 string value2 = t2.GetProperty(name)?.GetValue(current, null)?.ToString();

                 if (value1 != value2)

                 {

                     return true;

                 }

             }

             return false;

         }

         /// <summary>

         /// 集合差异比较器,比较两个实体集合值是否一样

         /// </summary>

         /// <param name="source">源版本实体集合</param>

         /// <param name="current">当前版本实体集合</param>

         /// <returns>true 存在变更 false 未变更</returns>

         protected static bool DifferenceComparison<T1, T2>(List<T1> source, List<T2> current) where T1 : MBase where T2 : MBase

         {

             if (source.Count != current.Count) { return true; }

             for (int i = ; i < source.Count; i++)

             {

                 bool flag = DifferenceComparison(source[i], current[i]);

                 if (flag) { return flag; }

             }

             return false;

         }

         /// <summary>

         /// 将实体2的值动态赋值给实体1(名称一样的属性进行赋值)

         /// </summary>

         /// <param name="model1">实体1</param>

         /// <param name="model2">实体2</param>

         /// <returns>赋值后的model1</returns>

         protected static T1 BindModelValue<T1, T2>(T1 model1, T2 model2) where T1 : class where T2 : class

         {

             Type t1 = model1.GetType();

             Type t2 = model2.GetType();

             PropertyInfo[] property2 = t2.GetProperties();

             //排除主键

             List<string> exclude = new List<string>() { "Id" };

             foreach (PropertyInfo p in property2)

             {

                 if (exclude.Contains(p.Name)) { continue; }

                 t1.GetProperty(p.Name)?.SetValue(model1, p.GetValue(model2, null));

             }

             return model1;

         }