排序.frm

Visual Basic课程举例1 有很好的例题

VERSION 5.00
Begin VB.Form 排序算法 
   AutoRedraw      =   -1  'True
   Caption         =   "排序算法"
   ClientHeight    =   4845
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   9900
   BeginProperty Font 
      Name            =   "Arial Black"
      Size            =   21.75
      Charset         =   0
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   ScaleHeight     =   4845
   ScaleWidth      =   9900
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdMP 
      Caption         =   "冒泡法"
      Height          =   735
      Left            =   7080
      TabIndex        =   6
      Top             =   3900
      Width           =   1515
   End
   Begin VB.CommandButton cmdXZ 
      Caption         =   "选择法"
      Height          =   795
      Left            =   3900
      TabIndex        =   5
      Top             =   3840
      Width           =   1695
   End
   Begin VB.CommandButton cmdHH 
      Caption         =   "互换法"
      Height          =   795
      Left            =   1080
      TabIndex        =   2
      Top             =   3840
      Width           =   1635
   End
   Begin VB.Label lblSorted 
      BackColor       =   &H8000000E&
      Height          =   855
      Left            =   60
      TabIndex        =   4
      Top             =   2640
      Width           =   9735
   End
   Begin VB.Label lblOrgNum 
      BackColor       =   &H8000000E&
      Height          =   795
      Left            =   120
      TabIndex        =   3
      Top             =   960
      Width           =   9675
   End
   Begin VB.Label Label2 
      Caption         =   "排序后: "
      Height          =   675
      Left            =   120
      TabIndex        =   1
      Top             =   1860
      Width           =   1695
   End
   Begin VB.Label Label1 
      Caption         =   "排序前: "
      Height          =   675
      Left            =   120
      TabIndex        =   0
      Top             =   180
      Width           =   1695
   End
End
Attribute VB_Name = "排序算法"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Const N  As Integer = 10

Dim S(1 To N) As Integer
Dim St$

Private Sub cmdHH_Click()
    '互换排序核心算法
     For I = 1 To N - 1
        For J = I + 1 To N
           If S(J) > S(I) Then
              t = S(I)
              S(I) = S(J)
              S(J) = t
           End If
        Next J
      Next I
    
    '输出这N个排序后的数
    St = ""
    For I = 1 To N - 1
        St = St + Str(S(I)) + ","
    Next I
    St = St & S(N)
    lblSorted = St

End Sub

Private Sub cmdMP_Click()
    
    '冒泡法排序核心算法
    For I = 1 To N - 1
        iMax = I
        For J = 1 To N - I
            If S(J) > S(J + 1) Then
                t = S(J)
                S(J) = S(J + 1)
                S(J + 1) = t
            End If
        Next J
    Next I

    '输出这N个排序后的数
    St = ""
    For I = 1 To N - 1
        St = St + Str(S(I)) + ","
    Next I
    St = St & S(N)
    lblSorted = St

End Sub

Private Sub cmdXZ_Click()
    
    '选择法排序核心算法
    For I = 1 To N - 1
        iMax = I
        For J = I + 1 To N
                If S(J) > S(iMax) Then iMax = J
        Next J
        t = S(I)
        S(I) = S(iMax)
        S(iMax) = t
    Next I

    '输出这N个排序后的数
    St = ""
    For I = 1 To N - 1
        St = St + Str(S(I)) + ","
    Next I
    St = St & S(N)
    lblSorted = St
End Sub

Private Sub Form_Load()
    '产生N个随机数
    For I = 1 To N
        S(I) = Int(Rnd() * 100)
    Next I
    
    '输出这N个随机数
    St = ""
    For I = 1 To N - 1
        St = St + Str(S(I)) + ","
    Next I
    St = St & S(N)
    lblOrgNum = St
    
End Sub