/// <summary>
/// 对象属性值拷贝：值拷贝，对象属性名称类型必须一致
/// </summary>
/// <param name="obj">拷贝对象</param>
/// <param name="Entity">实例化输出对象</param>
/// <returns>object</returns>
public static object ObjAttributeValueCopy(object obj, object Entity)
{
try
{
System.Reflection.PropertyInfo[] Entityproperties = Entity.GetType().GetProperties();
List <ObjAttribute> lstObjAttribute = getLstObjAttribute(obj);
if (lstObjAttribute != null || lstObjAttribute.Count > 0)
{
foreach (System.Reflection.PropertyInfo property in Entityproperties)//遍历对象属性
{
if (property.Name == "ID")
{
continue;
}
ObjAttribute objAttribute = lstObjAttribute.Where(a => a.AttributeNam == property.Name).FirstOrDefault(); //根据相同字段取值
if (objAttribute != null)
{
if (objAttribute.Value != null)//值不能为空
{
try
{
property.SetValue(Entity, Convert.ChangeType(objAttribute.Value, objAttribute.AttributeType), null); //拷贝值
}
catch (Exception)
{
try
{
property.SetValue(Entity, Convert.ChangeType(objAttribute.Value, Nullable.GetUnderlyingType(objAttribute.AttributeType)), null);//Nullable`1类型处理
}
catch (Exception)
{
}
}
}
}
}
}
return(Entity);
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// 获取对象值
/// </summary>
/// <param name="obj">对象</param>
/// <returns></returns>
static List <ObjAttribute> getLstObjAttribute(object obj)
{
try
{
System.Reflection.PropertyInfo[] objproperties = obj.GetType().GetProperties();
List <ObjAttribute> lstObjAttribute = new List <ObjAttribute>();
foreach (System.Reflection.PropertyInfo property in objproperties)
{
//属性赋值
ObjAttribute objAttribute = new ObjAttribute();
objAttribute.AttributeNam = property.Name;
objAttribute.Value = property.GetValue(obj);
objAttribute.AttributeType = property.PropertyType;
lstObjAttribute.Add(objAttribute);
}
return(lstObjAttribute);
}
catch (Exception)
{
return(null);
}
}