[英]VB.NET deserialization / Which pattern should i use?
我想以對象形式映射給定的XML。 XML包含例如文件路徑之類的值。 典型的路徑由用於文件夾路徑的xml屬性和文件名組成。 該模式應該使我有機會隨時加載和保存對象。 我不想總是手動將文件路徑放在一起或將它們分開。 (我不想更改原始的序列化對象(例如“ katalog”,“ kovkatalog”),因為它是自動生成的。)
我認為繼承可以解決我的問題並提高代碼的可概述性(或者應該使用其他包裝器?)。 有什么不對的方法嗎? 有沒有更好的方法?
反序列化時,始終返回以下錯誤:
“不希望InvalidOperationException:http://example.net/V3.0/Schema'>。”
有誰對我如何使用其他方法擴展繼承有解決方案?
VB.NET-CODE:
Namespace abc
Public Class Main
Public Sub New()
Dim des As New unifa_katalog
des = Deserialisieren(Of unifa_katalog)("<PATH_TO_FILE>\katalog.xml")
End Sub
Private Function Deserialisieren(Of T)(strSpeicherOrt As String) As T
Dim serializer As New XmlSerializer(GetType(T))
Dim deserialized As T = Nothing
Using file = System.IO.File.OpenRead(strSpeicherOrt)
deserialized = DirectCast(serializer.Deserialize(file), T)
End Using
Return deserialized
End Function
End Class
<XmlRoot("katalog", [Namespace]:="urn:kosxmlns")>
Partial Public Class unifa_katalog
Inherits katalog
Public Sub furtherMethod()
End Sub
End Class
<System.CodeDom.Compiler.GeneratedCodeAttribute("xsd", "2.0.50727.1432"),
System.SerializableAttribute(),
System.Diagnostics.DebuggerStepThroughAttribute(),
System.ComponentModel.DesignerCategoryAttribute("code"),
System.Xml.Serialization.XmlTypeAttribute(AnonymousType:=True, [Namespace]:="http://example.net/V3.0/Schema"),
System.Xml.Serialization.XmlRootAttribute([Namespace]:="http://example.net/V3.0/Schema", IsNullable:=False)>
Partial Public Class katalog
Inherits kovkatalog
End Class
Partial Public Class kovkatalog
Private verfahrenField As String
Private verfahrensversionField As String
Private katalogversionField As Integer
Private myversionField As String
Public Sub New()
MyBase.New
Me.katalogversionField = 1
End Sub
'''<remarks/>
<System.Xml.Serialization.XmlAttributeAttribute()>
Public Property verfahren() As String
Get
Return Me.verfahrenField
End Get
Set
Me.verfahrenField = Value
End Set
End Property
'''<remarks/>
<System.Xml.Serialization.XmlAttributeAttribute("verfahrens-version")>
Public Property verfahrensversion() As String
Get
Return Me.verfahrensversionField
End Get
Set
Me.verfahrensversionField = Value
End Set
End Property
'''<remarks/>
<System.Xml.Serialization.XmlAttributeAttribute("katalog-version"),
System.ComponentModel.DefaultValueAttribute(1)>
Public Property katalogversion() As Integer
Get
Return Me.katalogversionField
End Get
Set
Me.katalogversionField = Value
End Set
End Property
'''<remarks/>
<System.Xml.Serialization.XmlAttributeAttribute("my-version")>
Public Property myversion() As String
Get
Return Me.myversionField
End Get
Set
Me.myversionField = Value
End Set
End Property
End Class
End Namespace
XMLFILE:
<?xml version="1.0" encoding="UTF-8"?>
<kov:katalog verfahren="kov" my-version="03000200" katalog-version="1" verfahrens-version="06090000" xmlns:kov="http://example.net/V3.0/Schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
</kov:katalog>
這實際上不是繼承問題,而是名稱空間問題。 如果使用相同的名稱空間,它將反序列化
<XmlRoot("katalog", [Namespace]:="http://example.net/V3.0/Schema")>
Partial Public Class unifa_katalog
Inherits katalog
Public Sub furtherMethod()
End Sub
End Class
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