txt.frm

可求解水利计算中日平均水位和日平均流量,本程序采用的是面积包围法.

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   5100
   ClientLeft      =   165
   ClientTop       =   495
   ClientWidth     =   6630
   LinkTopic       =   "Form1"
   ScaleHeight     =   5100
   ScaleWidth      =   6630
   StartUpPosition =   3  '窗口缺省
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   4200
      Top             =   720
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   495
      Left            =   3840
      TabIndex        =   0
      Top             =   3360
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "计算"
      Height          =   495
      Left            =   1320
      TabIndex        =   2
      Top             =   3360
      Width           =   975
   End
   Begin VB.TextBox Text1 
      Height          =   615
      Left            =   3360
      TabIndex        =   1
      Top             =   1680
      Width           =   1335
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "日平均值："
      BeginProperty Font 
         Name            =   "仿宋_GB2312"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   435
      Left            =   960
      TabIndex        =   3
      Top             =   1800
      Width           =   2250
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Base 1
'*************日平均水位、流量计算
Private Sub Command1_Click()
Dim strline As String, rpj As Single, filename As String, dsj!(), a!
Call daoru(filename)
Open filename For Input As #1
Call jisuan(dsj!(), a!)
rpj = a / 24
Text1.Text = Format(rpj, "#.##")
End Sub
Private Sub Command2_Click()
End
End Sub
Private Sub jisuan(dsj!(), a!)
Dim sj!(), sw!(), dsj1!(), dsj2!(), i%, j%, swpj!(), mj!(), xs%, m%, n$, nn%, q!(), s!()
i = 1
 Do Until EOF(1)
   Line Input #1, strline
   ReDim Preserve sj(i), sw(i), q!(i), s!(i)
   m = InStr(strline, ",")
   sj(i) = Val(Left(strline, m))
   n = Mid(strline, m + 1)
   nn = InStr(n, ",")
    If nn = 0 Then    'txt文本中有1个逗号，说明是水位或流量资料，有两个数组：时间和水位
        sw(i) = Val(Mid(strline, m + 1))
    Else              'txt文本中有2个逗号，说明是输沙量资料，有三个数组：时间、流量和输沙量
        q(i) = Val(Left(n, nn))
        s(i) = Val(Mid(n, nn + 1))
        sw(i) = q(i) * s(i)
        End If
    i = i + 1
 Loop
Close #1
xs = i - 1
'************时间差计算
ReDim dsj1!(xs - 1), dsj2!(xs - 1), dsj!(xs - 1), swpj(xs - 1), mj(xs - 1)
If sj(1) > sj(2) Then
   dsj01 = (24 - sj(1) - Int(24 - sj(1))) * 100 / 60 + Int(24 - sj(1))
   dsj02 = (sj(2) - Int(sj(2))) * 100 / 60 + Int(sj(2)) + dsj01
   sj(1) = 0
   sw(1) = dsj01 / dsj02 * (sw(2) - sw(1)) + sw(1)
End If
If sj(xs) < sj(xs - 1) Then
   dsj03 = (24 - Int(sj(xs - 1))) - ((sj(xs - 1) - Int(sj(xs - 1)))) * 100 / 60 + 24 - Int(sj(xs - 1)) 'dui
   dsj04 = (sj(xs) + 24 - sj(xs - 1) - Int(sj(xs) + 24 - sj(xs - 1))) * 100 / 60 + Int(sj(xs) + 24 - sj(xs - 1))
   sj(xs) = 24
   sw(xs) = dsj01 / dsj02 * (sw(xs) - sw(xs - 1)) + sw(xs - 1)
End If
 For j = 1 To xs - 1
 dsj1(j) = Int(sj(j + 1) - sj(j))
 dsj2(j) = (sj(j + 1) - sj(j) - dsj1(j)) * 100 / 60
 dsj(j) = dsj1(j) + dsj2(j)
 swpj(j) = (sw(j + 1) + sw(j)) / 2
 mj(j) = dsj(j) * swpj(j)
 a = a + mj(j)
Next j
End Sub
Public Sub daoru(sfile1 As String)
'****************** 选择要导入的文件
With Form1.CommonDialog1
    .DialogTitle = "Open"
    .CancelError = False
    .Flags = cdlOFNFileMustExist + cdlOFNHideReadOnly
    .Filter = "All File (*.*)|*.*|文本文件 (*.txt)|*.txt"
    .FilterIndex = 2
    .ShowOpen
    sfile1 = .filename
End With
End Sub