form1.vb

来自「Visual.Basic.NET实用编程百例-47.6M.zip」· VB 代码 · 共 212 行

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写 dispose 以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意: 以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(8, 24)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(112, 24)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(90, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "转换"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(8, 8)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(32, 16)
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "数字"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(8, 72)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 4
        Me.Label3.Text = "英文"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 96)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(200, 72)
        Me.Label1.TabIndex = 5
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(216, 181)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox1)
        Me.Name = "Form1"
        Me.Text = "把数字转换成英文"
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Label1.Text = English(CInt(TextBox1.Text))
    End Sub

    Private Function EnglishDigitGroup(ByVal N As Integer) As String
        Const Hundred = " hundred"
        Const One = "one"
        Const Two = "two"
        Const Three = "three"
        Const Four = "four"
        Const Five = "five"
        Const Six = "six"
        Const Seven = "seven"
        Const Eight = "eight"
        Const Nine = "nine"
        Dim Buf As String : Buf = ""
        Dim Flag As Integer : Flag = False
        'Do hundreds
        Select Case (N \ 100)
            Case 0 : Buf = "" : Flag = False
            Case 1 : Buf = One & Hundred : Flag = True
            Case 2 : Buf = Two & Hundred : Flag = True
            Case 3 : Buf = Three & Hundred : Flag = True
            Case 4 : Buf = Four & Hundred : Flag = True
            Case 5 : Buf = Five & Hundred : Flag = True
            Case 6 : Buf = Six & Hundred : Flag = True
            Case 7 : Buf = Seven & Hundred : Flag = True
            Case 8 : Buf = Eight & Hundred : Flag = True
            Case 9 : Buf = Nine & Hundred : Flag = True
        End Select
        If (Flag) Then N = N Mod 100
        If (N) Then
            If (Flag) Then Buf = Buf & " "
        Else
            EnglishDigitGroup = Buf
            Exit Function
        End If
        'Do tens (except teens)
        Select Case (N \ 10)
            Case 0, 1 : Flag = False
            Case 2 : Buf = Buf & "twenty" : Flag = True
            Case 3 : Buf = Buf & "thirty" : Flag = True
            Case 4 : Buf = Buf & "forty" : Flag = True
            Case 5 : Buf = Buf & "fifty" : Flag = True
            Case 6 : Buf = Buf & "sixty" : Flag = True
            Case 7 : Buf = Buf & "seventy" : Flag = True
            Case 8 : Buf = Buf & "eighty" : Flag = True
            Case 9 : Buf = Buf & "ninety" : Flag = True
        End Select
        If (Flag) Then N = N Mod 10
        If (N) Then
            If (Flag) Then Buf = Buf & "-"
        Else
            EnglishDigitGroup = Buf
            Exit Function
        End If
        'Do ones and teens
        Select Case (N)
            Case 0 ' do nothing
            Case 1 : Buf = Buf & One
            Case 2 : Buf = Buf & Two
            Case 3 : Buf = Buf & Three
            Case 4 : Buf = Buf & Four
            Case 5 : Buf = Buf & Five
            Case 6 : Buf = Buf & Six
            Case 7 : Buf = Buf & Seven
            Case 8 : Buf = Buf & Eight
            Case 9 : Buf = Buf & Nine
            Case 10 : Buf = Buf & "ten"
            Case 11 : Buf = Buf & "eleven"
            Case 12 : Buf = Buf & "twelve"
            Case 13 : Buf = Buf & "thirteen"
            Case 14 : Buf = Buf & "fourteen"
            Case 15 : Buf = Buf & "fifteen"
            Case 16 : Buf = Buf & "sixteen"
            Case 17 : Buf = Buf & "seventeen"
            Case 18 : Buf = Buf & "eighteen"
            Case 19 : Buf = Buf & "nineteen"
        End Select
        EnglishDigitGroup = Buf
    End Function

    Function English(ByVal N As Long) As String
        Const Thousand = 1000&
        Const Million = Thousand * Thousand
        Const Billion = Thousand * Million
        Dim Buf As String : Buf = ""
        If (N = 0) Then English = "zero" : Exit Function
        If (N < 0) Then Buf = "negative " : N = -N
        If (N >= Billion) Then
            Buf = Buf & EnglishDigitGroup(N \ Billion) & " billion"
            N = N Mod Billion
            If (N) Then Buf = Buf & " "
        End If
        If (N >= Million) Then
            Buf = Buf & EnglishDigitGroup(N \ Million) & " million"
            N = N Mod Million
            If (N) Then Buf = Buf & " "
        End If
        If (N >= Thousand) Then
            Buf = Buf & EnglishDigitGroup(N \ Thousand) & " thousand"
            N = N Mod Thousand
            If (N) Then Buf = Buf & " "
        End If
        If (N > 0) Then
            Buf = Buf & EnglishDigitGroup(N)
        End If
        English = Buf
    End Function

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class