VB.net中XML文件的序列化 [英] serialization of xml file in VB.net
本文介绍了VB.net中XML文件的序列化的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有以下数据结构
Public Class MeasData
Public Number As Integer
Public Amp As Single
Public Fall As Single
Public Width As Single
Public setPRF As Integer
Public Volt As Single
Public setWidth As Single
串行化程序类代码
Public Class TestDataSerializer
Public PulsTestData As New List(Of PulserMeasData)
Private PulsTestDataSorted As New SortedList(Of Integer, PulserMeasData)
Public Sub AddPulsTestData(ByVal ChaNum As Integer,
ByVal PAmp As Single,
ByVal PFallTime As Single,
ByVal PWidth As Single,
ByVal setPrf As Integer,
ByVal setVoltage As Single,
ByVal setPulswidth As Single)
Dim Data As New PulserMeasData(ChaNum, PAmp, PFallTime, PWidth, setPrf, setVoltage, setPulswidth)
If PulsTestDataSorted.ContainsKey(ChaNum) Then
PulsTestDataSorted(ChaNum) = Data
Else
PulsTestDataSorted.Add(ChaNum, Data)
End If
PulsTestData = PulsTestDataSorted.Values.ToList ' XML Serializer can not handle SortedLists
Dim serializer As New XMLSerializer(GetType(List(Of PulserMeasData)))
Using file As System.IO.FileStream = System.IO.File.Open("obj.xml", IO.FileMode.OpenOrCreate, IO.FileAccess.Write)
serializer.Serialize(file, PulsTestData)
End Using
End Sub
结束课程
我希望从上面的数据结构生成具有不同设置宽度PRF和电压值的XML
推荐答案
尝试以下内容:
Imports System.Xml
Imports System.Xml.Serialization
Module Module1
Const INPUT_FILENAME As String = "c: emp est.xml"
Const OUTPUT_FILENAME As String = "c: emp est1.xml"
Sub Main()
'read data
Dim reader As XmlReader = XmlReader.Create(INPUT_FILENAME)
Dim serializer As XmlSerializer = New XmlSerializer(GetType(PulserMeasDataPA))
Dim PulserMeasDataPA As PulserMeasDataPA = serializer.Deserialize(reader)
Dim writer As XmlWriter = XmlWriter.Create(OUTPUT_FILENAME)
serializer.Serialize(writer, PulserMeasDataPA)
Dim PulsTestData As New List(Of PulserMeasData)
Dim PulsTestDataSorted As New SortedList(Of Integer, PulserMeasData)
Dim newPulseData As New PulserMeasDataPA()
Dim newListData As New List(Of TestData)
newPulseData.TestData = newListData
For Each PD In PulsTestDataSorted.GroupBy(Function(x) x.Key)
Dim newTestData As New TestData()
newListData.Add(newTestData)
newTestData.PortNumber = PD.Key
newTestData.MeasureValues = New List(Of MeasureValues)
For Each testData In PD
Dim newValues As New MeasureValues
newTestData.MeasureValues.Add(newValues)
newValues.Amplitude = testData.Value.Amplitude
Next
Next
End Sub
End Module
Public Class PulserMeasData
Public ChannelNumber As Integer
Public Amplitude As Single
Public Fall As Single
Public Width As Single
Public setPRF As Integer
Public setVoltage As Single
Public setWidth As Single
End Class
Public Class PulserMeasDataPA
<XmlElement()>
Public TestData As List(Of TestData)
End Class
Public Class TestData
Public PortNumber As Integer
<XmlArray("Measurement")>
<XmlArrayItem("MeasureValues")>
Public MeasureValues As List(Of MeasureValues)
End Class
Public Class MeasureValues
Public Amplitude As String
Public Fall As String
Public Width As String
Public setWidth As Decimal
Public PRF As Decimal
Public Volt As Decimal
End Class
这是我使用的XML文件
<?xml version="1.0" encoding="utf-8" ?>
<PulserMeasDataPA>
<TestData>
<PortNumber>1</PortNumber>
<Measurement>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
40</setWidth>
<PRF>
1000</PRF>
<Volt>
100</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
100</setWidth>
<PRF>
1000</PRF>
<Volt>
100</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
40</setWidth>
<PRF>
5000</PRF>
<Volt>
50</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
100</setWidth>
<PRF>
5000</PRF>
<Volt>
50</Volt>
</MeasureValues>
</Measurement>
</TestData>
<TestData>
<PortNumber>2</PortNumber>
<Measurement>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
40</setWidth>
<PRF>
1000</PRF>
<Volt>
100</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
100</setWidth>
<PRF>
1000</PRF>
<Volt>
100</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
40</setWidth>
<PRF>
5000</PRF>
<Volt>
50</Volt>
</MeasureValues>
<MeasureValues>
<Amplitude></Amplitude>
<Fall></Fall>
<Width></Width>
<setWidth>
100</setWidth>
<PRF>
5000</PRF>
<Volt>
50</Volt>
</MeasureValues>
</Measurement>
</TestData>
</PulserMeasDataPA>
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