vb.net 打字练习

Public Class Form1

Dim t As Date

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim inputdata As String

OpenFileDialog1.FileName = "*txt"

OpenFileDialog1.InitialDirectory = "C:/Documents and Settings/Administrator/桌面/指法练习/指法练习/bin/Debug"

OpenFileDialog1.Filter = "text files(*.txt)|*.txt|all iles(*.*)|*.*"

OpenFileDialog1.FilterIndex = 2

OpenFileDialog1.ShowDialog()

FileOpen(1, OpenFileDialog1.FileName, OpenMode.Input)

RichTextBox1.Text = ""

Do While Not EOF(1)

inputdata = LineInput(1)

RichTextBox1.Text = RichTextBox1.Text + inputdata + vbCrLf

Loop

FileClose(1)

End Sub

Private Sub RichTextBox2_GotFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles RichTextBox2.GotFocus

t = TimeOfDay

End Sub

Private Sub RichTextBox2_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles RichTextBox2.KeyDown

Dim l As Integer

l = RichTextBox2.TextLength

Dim t2, n, y, i As Integer

If e.KeyCode = Keys.Enter Then

t2 = DateDiff("s", t, TimeOfDay)

TextBox1.Text = t2 & "秒"

RichTextBox2.ReadOnly = True

y = 0 : n = 0

For i = 1 To l

If Mid(RichTextBox1.Text, i, 1) = Mid(RichTextBox2.Text, i, 1) Then

y = y + 1

Else

n = n + 1

End If

Next i

y = y / l * 100

TextBox2.Text = Format(y, "0.00") & "%"

End If

End Sub

Private Sub RichTextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles RichTextBox2.KeyPress

Dim t2, n, y, i As Integer

If RichTextBox2.TextLength + 1 = RichTextBox1.TextLength Then

t2 = DateDiff("s", t, TimeOfDay)

TextBox1.Text = t2 & "秒"

RichTextBox2.ReadOnly = True

y = 0 : n = 0

For i = 1 To 4

If Mid(RichTextBox1.Text, i, 1) = Mid(RichTextBox2.Text, i, 1) Then

y = y + 1

Else

n = n + 1

End If

Next i

y = y / 4 * 100

TextBox2.Text = Format(y, "0.00") & "%"

End If

End Sub

End Class