form1.frm

好用啊

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          =   375
      Left            =   1320
      TabIndex        =   3
      Top             =   1320
      Width           =   1695
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1320
      TabIndex        =   2
      Top             =   840
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1320
      TabIndex        =   1
      Top             =   240
      Width           =   1695
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   375
      Left            =   2880
      TabIndex        =   0
      Top             =   2520
      Width           =   1335
   End
   Begin VB.Label Label3 
      Caption         =   "平均值"
      Height          =   255
      Left            =   480
      TabIndex        =   6
      Top             =   1440
      Width           =   615
   End
   Begin VB.Label Label2 
      Caption         =   "最小值"
      Height          =   255
      Left            =   480
      TabIndex        =   5
      Top             =   960
      Width           =   615
   End
   Begin VB.Label Label1 
      Caption         =   "最大值"
      Height          =   255
      Left            =   480
      TabIndex        =   4
      Top             =   360
      Width           =   615
   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()
    Const N As Integer = 200                                    ' 声明常量
    Dim sngArray(0 To N) As Single                              ' 声明数组
    Dim int1 As Integer
    Dim sngAmount As Single                             ' 此变量保存总和
    Dim sngMax As Single                                ' 此变量保存最大值
    Dim sngMin As Single                                ' 此变量保存最小值
    For int1 = 0 To N
        sngArray(int1) = Rnd * 1000                     ' 为数组元素赋值
    Next
    sngMax = sngArray(0)                            ' 注意！给变量赋初值
    sngMin = sngArray(0)                            ' 注意！给变量赋初值
    sngAmount = sngArray(0)                         ' 注意！给变量赋初值
    For int1 = 1 To N
        If sngMax < sngArray(int1) Then sngMax = sngArray(int1)
        If sngMin > sngArray(int1) Then sngMin = sngArray(int1)
        sngAmount = sngAmount + sngArray(int1)
    Next
    Text1.Text = sngMax                                 ' 显示最大值
    Text2.Text = sngMin                                 ' 显示最小值
    Text3.Text = sngAmount / (N + 1)                            ' 显示平均值
End Sub