程序代码：
Option Explicit
Dim No() As Long '原始序号
Dim No2() As Long '新序号
Dim NoIndex As Long '当前显示的序号
Private Sub Command1_Click()
'方法一：一键修改，第一种实现方法
'Call 顺序写入("C:\Users\CC\Desktop\记录.txt")
'方法一：第二种实现方法,可以删 顺序写入 代码，提高代码复用性
Call 读序号("C:\Users\CC\Desktop\记录.txt", No())
Dim i As Long
For i = 1 To UBound(No)
No(i) = i '按顺序排序号
Next i
Call 保存顺序("C:\Users\CC\Desktop\记录.txt", No())
End Sub
Private Sub Command2_Click()
'上一条
No2(NoIndex) = Val(Text1.Text)
Call 显示序号(-1)
End Sub
Private Sub Command3_Click()
'下一条
No2(NoIndex) = Val(Text1.Text)
Call 显示序号(1)
End Sub
Private Sub Command4_Click()
'方法二初始化程序
Call 读序号("C:\Users\CC\Desktop\记录.txt", No())
NoIndex = 1
ReDim No2(UBound(No))
Dim i As Long
For i = 1 To UBound(No)
No2(i) = No(i)
Next i
Call 显示序号
End Sub
Private Sub Command5_Click()
'方法二和方法三保存结果
Call 保存顺序("C:\Users\CC\Desktop\记录.txt", No2())
End Sub
'---------------------------------------------------
Public Sub 顺序写入(Filename As String)
'文件保存，修改NO序号为顺序号
'方法一的第一种实现方法
Dim i As Long
Dim h1 As Long, h2 As Long
Dim p As String
Dim s As String
p = App.Path
If Right(p, 1) <> "\" Then p = p & "\"
If Dir(Filename) = "" Then
MsgBox "原文件不存在", vbCritical, "错误"
Exit Sub
End If
h1 = FreeFile
Open Filename For Input As h1
h2 = FreeFile
Open p & "~tmp.txt" For Output As h2
Do While Not EOF(h1)
Line Input #h1, s
If Left(Trim(s), 4) = "NO: " Then '复制你的，含空格？？
i = i + 1
s = "NO: " & i
End If
Print #h2, s
Loop
Close #h1
Close #h2
Kill Filename '删旧文件
Name p & "~tmp.txt" As Filename '重命名为目标文件，Name 可以在不同驱动器之间移动文件以完成重命名
MsgBox "完成"
End Sub
Public Sub 读序号(Filename As String, order() As Long)
'读文件里的顺序
'使用一次性读文件的方式
If Dir(Filename) = "" Then
MsgBox "原文件不存在", vbCritical, "错误"
Exit Sub
End If
Dim i As Long, j As Long
Dim s As String
Dim h As Long
Dim m() As String
Dim n() As Long
h = FreeFile
Open Filename For Binary As #h '打开文件
'直接读整个文件的所有的内容,按字节读,并转换为 Unicode 的VB默认字符串类型
s = StrConv(InputB$(LOF(h), #h), vbUnicode)
Close #h
m = Split(s, vbCrLf) 'Windows 平台，没做 Linux 平台兼容
For i = 0 To UBound(m)
m(i) = Trim(m(i))
If Left(m(i), 4) = "NO: " Then
j = j + 1
End If
Next i
ReDim order(j)
j = 0
For i = 0 To UBound(m)
m(i) = Trim(m(i))
If Left(m(i), 4) = "NO: " Then
j = j + 1
order(j) = Val(Mid(m(i), 5))
End If
Next i
End Sub
Public Sub 显示序号(Optional 位移 As Long = 0)
On Error Resume Next
If IsError(UBound(No)) Then
Exit Sub '发现错误时不显示
End If
On Error GoTo 0
NoIndex = NoIndex + 位移
If NoIndex > UBound(No) Then
NoIndex = 1
End If
If NoIndex < 1 Then
NoIndex = UBound(No)
End If
Label1.Caption = No(NoIndex) '原始值
Text1.Text = No2(NoIndex) '修改后的值
End Sub
Public Sub 保存顺序(Filename As String, order() As Long)
Dim i As Long
Dim h1 As Long, h2 As Long
Dim p As String
Dim s As String
p = App.Path
If Right(p, 1) <> "\" Then p = p & "\"
If Dir(Filename) = "" Then
MsgBox "原文件不存在", vbCritical, "错误"
Exit Sub
End If
h1 = FreeFile
Open Filename For Input As h1
h2 = FreeFile
Open p & "~tmp.txt" For Output As h2
Do While Not EOF(h1)
Line Input #h1, s
If Left(Trim(s), 4) = "NO: " Then '复制你的，含空格？？
i = i + 1
s = "NO: " & order(i) '仅此与顺序文件不同
End If
Print #h2, s
Loop
Close #h1
Close #h2
Kill Filename '删旧文件
Name p & "~tmp.txt" As Filename '重命名为目标文件，Name 可以在不同驱动器之间移动文件以完成重命名
MsgBox "完成"
End Sub
-------------------
方法3，在no里查找数据，找到，把数据写入 no2 里，最后保存。与方法类似而以。
代码略。
------------
方法1，也可以使用方法2 的代码实现，自己看代码，不解释了。
核心，就是读文件，保存文件。
记录.rar
(589 Bytes)
