Question

我有更新一些客户信息的方法

public UpdateCustomerInformationResponse UpdateCustomerInformation(UpdateCustomerInformationRequest request)
{
var customer = new Customer
{
    FirstName = request.Customer
    LastName = request.LastName,
    MiddleInitial = request.MiddleInitial,
    CustomerEmail = request.CustomerEmail,
    UnitNumber = request.UnitNumber,
}

另一个对象

var fieldRequired = new FieldRequired{
FieldName = "CustomerEmail ",
IsRequired = 1
}

我想比较2个对象，以便我可以找出FieldName“CustomerEmail” 存在于Customer对象中。

Answer 1

你的问题有点模糊。这是你在找什么？

if (fieldRequired.FieldName == "CustomerEmail" && fieldRequired.IsRequired == 1)
{
   CustomerEmail = request.CustomerEmail;
}

Answer 2

您可以实现IEqualtable接口，然后将方法设计为与要比较的数据成员相等。您可以在下面看到此实现的示例：

class Customer: IEquatable<Customer>
{
  public string FirstName { get; set; }
  public string LastName { get; set; }
  ...
public bool Equals(Person other)
{
  return ((FirstName == other.FirstName) &&
  (LastName == other.LastName));
}
}

Answer 3

这么简单的伙伴。我找到了一个使用反射和扩散方法的简单解决方案，如下所示

创建一个名为“CompareTwoObjects”的静态类，并将代码添加到其中。

 public static object CompareEquals(this T objectFromCompare, T objectToCompare)//Generic method

{

 if (objectFromCompare == null && objectToCompare == null)
 return true;
 else if (objectFromCompare == null && objectToCompare != null)
 return false;
 else if (objectFromCompare != null && objectToCompare == null)
 return false;

 //Gets all the properties of the class
 PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
 foreach (PropertyInfo prop in props)
 {
 object dataFromCompare = objectFromCompare.GetType().GetProperty(prop.Name).GetValue(objectFromCompare, null);
 object dataToCompare = objectToCompare.GetType().GetProperty(prop.Name).GetValue(objectToCompare, null);
 Type type = objectFromCompare.GetType().GetProperty(prop.Name).GetValue(objectToCompare, null).GetType();
 if (prop.PropertyType.IsClass && !prop.PropertyType.FullName.Contains("System.String"))
 {
 dynamic convertedFromValue = Convert.ChangeType(dataFromCompare, type);
 dynamic convertedToValue = Convert.ChangeType(dataToCompare, type);

 object result = CompareTwoObjects.CompareEquals(convertedFromValue, convertedToValue);

 bool compareResult = (bool)result;
 if (!compareResult)
 return false;
 }


 else if (!dataFromCompare.Equals(dataToCompare))
 return false;
 }

 return true;


}

这将使两个对象的结果具有相同的值。

用法： - Object1.CompareEquals（Object2的）;

如果类对象很复杂，这也行。如果您发现任何问题，请回复

如何在c＃中比较两个对象

3 个答案: