VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text3 
      Height          =   495
      Left            =   2760
      TabIndex        =   3
      Text            =   "86"
      Top             =   1500
      Width           =   795
   End
   Begin VB.TextBox Text2 
      Height          =   495
      Left            =   1530
      TabIndex        =   2
      Text            =   "56"
      Top             =   1500
      Width           =   795
   End
   Begin VB.CommandButton Command1 
      Caption         =   "排序"
      Height          =   495
      Left            =   3030
      TabIndex        =   1
      Top             =   2580
      Width           =   1245
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   360
      TabIndex        =   0
      Text            =   "90"
      Top             =   1500
      Width           =   795
   End
   Begin VB.Label Label1 
      Caption         =   "Z"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Index           =   2
      Left            =   2490
      TabIndex        =   6
      Top             =   1560
      Width           =   375
   End
   Begin VB.Label Label1 
      Caption         =   "X"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Index           =   1
      Left            =   1290
      TabIndex        =   5
      Top             =   1560
      Width           =   375
   End
   Begin VB.Label Label1 
      Caption         =   "X"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Index           =   0
      Left            =   150
      TabIndex        =   4
      Top             =   1560
      Width           =   375
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    x = Val(Text1)
    y = Val(Text2)
    z = Val(Text3)
    If x < y Then
        t = x: x = y: y = t   ' x与y交换
    End If                  ' 使得x>y
    If y < z Then
        t = y: y = z: z = t ' y与z交换使得y>z
        If x < y Then       ' 此时的x，y已不是原x，y的值
            t = x: x = y: y = t
        End If
    End If
    Print "X="; x, "Y="; y, "Z="; z
End Sub

