日期:2010-07-31  浏览次数:20465 次

  HOW TO:配置或数据文件的保存 这个原是基于NET2003,其中又用了2005的泛型(OF TConfigInformation),显得不伦不类。现在改为2005的,并取消了接口的引入。

序列化类:

Public Class SerializeHelperClass SerializeHelper(Of T)

    Private Sub New()Sub New()
    End Sub

    <System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Advanced)> _
    Public Shared Function ItemToXml()Function ItemToXml(ByVal obj As T) As String
        Dim mResult As String = ""
        Dim mSerializer As New System.Xml.Serialization.XmlSerializer(GetType(T))
        Dim mStringWriter As New System.IO.StringWriter
        Using mStringWriter
            mSerializer.Serialize(mStringWriter, obj)
            mResult = mStringWriter.ToString
            mStringWriter.Close()
        End Using
        Return mResult
    End Function

    <System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Advanced)> _
    Public Shared Function XmlToItem()Function XmlToItem(ByVal xml As String) As T
        Dim mSerializer As New System.Xml.Serialization.XmlSerializer(GetType(T))
        Dim mStringReader As New System.IO.StringReader(xml)
        Return CType(mSerializer.Deserialize(mStringReader), T)
    End Function

    <System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Advanced)> _
    Public Shared Sub ItemToXmlFile()Sub ItemToXmlFile(ByVal filename As String, ByVal obj As T)
        Dim XmlWriter As New System.IO.StreamWriter(filename, False)
        Using XmlWriter
            XmlWriter.Write(ItemToXml(obj))
            XmlWriter.Close()
        End Using
    End Sub

    <System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Advanced)> _
    Public Shared Function XmlFileToItem()Function XmlFileToItem(ByVal filename As String) As T
        Dim XmlReader As New System.IO.StreamReader(filename, System.Text.Encoding.Default)
        Dim mObj As T
        Using XmlReader
            mObj = XmlToItem(XmlReader.ReadToEnd)
            XmlReader.Close()
        End Using
        Return mObj
    End Function

    <System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Advanced)> _
    Public Shared Sub ItemToFormatterFile()Sub ItemToFormatterFile(ByVal filename As String, ByVal formatter As System.Runtime.Serialization.IFormatter, ByVal obj As T)
        Dim mFileStream As System.IO.Stream = System.IO.File.Open(filename, System.