.NET XMLSERIALIZE，忽略類屬性

Question

假設我們有兩個類蘋果，菠蘿

public class Apple:Fruit{} 
public class Pineapple:Fruit{} 

而且我們有一個抽象類名爲水果

[XmlInclude(typeof(Apple))] 
[XmlInclude(typeof(Pineapple))] 
public abstract class Fruit{} 

而且我們有一個類名爲Menu

public class Menu 
{ 
    [XmlElement("apple",typeof(Apple))] 
    [XmlElement("",typeof(Pineapple))] 
    public Fruit fruit {get;set;} 
} 

我想在類型爲Pineapple時忽略水果屬性。

Answer 1

不知道你爲什麼會想這樣做，但你可以使用ShouldSerialize<PropertyName>模式來實現它：

public class Menu 
{ 
    [XmlElement("apple",typeof(Apple))] 
    public Fruit fruit {get;set;} 

    public bool ShouldSerializefruit() 
    { 
     return !(fruit is Pineapple); 
    } 

}