form1.frm

vb 的例子

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "完数"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox txtoutput 
      Height          =   495
      Left            =   2160
      TabIndex        =   2
      Text            =   "Text1"
      Top             =   240
      Width           =   1575
   End
   Begin VB.ListBox lstoutput 
      Height          =   2040
      Left            =   120
      TabIndex        =   1
      Top             =   240
      Width           =   1815
   End
   Begin VB.CommandButton cmdcalc 
      Caption         =   "Command1"
      Height          =   375
      Left            =   3600
      TabIndex        =   0
      Top             =   2640
      Width           =   855
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdCalc_Click()
    Dim int1 As Integer, int2 As Integer
    Dim intNumber As Integer, intAmount As Integer
    intNumber = 0
    For int1 = 2 To 999
        intAmount = 0
        For int2 = 1 To int1 / 2
            If int1 Mod int2 = 0 Then                       ' 如果是因子
                intAmount = intAmount + int2                ' 求因子之和
            End If
        Next
        If int1 = intAmount Then                            ' 如果为完数
              intNumber = intNumber + 1                 ' 个数加1
               lstoutput.AddItem int1                       ' 添加到列表框中
        End If
    Next
    txtoutput.Text = intNumber                              ' 显示完数个数
End Sub

Private Sub cmdoutput_Click()

End Sub