VB实现按行读取文本文件的方法

    本文实例讲述了VB实现按行读取文本文件的方法。分享给大家供大家参考。具体如下:

    
    '(general declaration)
    Dim nFileNum As Integer, sText As String, sNextLine As String, lLineCount As Long
    '==================================
    Private Sub Command1_Click()
    ' Get a free file number
    nFileNum = FreeFile
    ' Open a text file for input. inputbox returns the path to read the file
    Open "C:\Documents and Settings\Sudeep\My Documents\3.txt" For Input As nFileNum
    lLineCount = 1
    ' Read the contents of the file
    Do While Not EOF(nFileNum)
      Line Input #nFileNum, sNextLine
      'do something with it
      'add line numbers to it, in this case!
      sNextLine = sNextLine & vbCrLf
      sText = sText & sNextLine
    Loop
    Text1.Text = sText
    ' Close the file
    Close nFileNum
    End Sub
    
    

    希望本文所述对大家的VB程序设计有所帮助。