VB.NET怎么写Log方法

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最近在项目中有用到VB.NET写Log方法的功能.具体代码如下:

Code

1. Public Sub WriteLog()Sub
   WriteLog(ByVal Msg As String)

2. Dim varAppPath As String

3. varAppPath = System.AppDomain.
   CurrentDomain.SetupInformation.
   ApplicationBase + "log"

4. System.IO.Directory.CreateDirectory
   (varAppPath)

5. Dim head As String

6. head = System.DateTime.Now.Hour.
   ToString() + ":" + System.DateTime.
   Now.Minute.ToString()

7. headhead = head + ":" + System.DateTime.
   Now.Second.ToString() + ":" +
   System.DateTime.Now.Millisecond.ToString()

8. Msg = head + System.Environment.
   NewLine + Msg + System.Environment.NewLine

9. Dim strDate As String

10. strDate = System.DateTime.Now.
    ToString("yyyyMMdd")

11. Dim strFile As String

12. strFile = varAppPath + "\" +
    strDate + ".log"

13. Dim SW As System.IO.StreamWriter

14. SW = New System.IO.StreamWriter
    (strFile, True)

15. SW.WriteLine(Msg)

16. SW.Flush()

17. SW.Close()

18. End Sub

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