form1.frm

通过VB编程

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3435
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   9915
   LinkTopic       =   "Form1"
   Picture         =   "Form1.frx":0000
   ScaleHeight     =   3435
   ScaleWidth      =   9915
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "解密并存盘"
      Height          =   255
      Left            =   7320
      TabIndex        =   7
      Top             =   360
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "加密并存盘"
      Height          =   255
      Left            =   3480
      TabIndex        =   6
      Top             =   360
      Width           =   1575
   End
   Begin VB.TextBox Text2 
      Height          =   735
      Left            =   3360
      TabIndex        =   5
      Top             =   2640
      Width           =   6375
   End
   Begin VB.TextBox Text1 
      Height          =   735
      Left            =   3480
      TabIndex        =   4
      Top             =   1080
      Width           =   6375
   End
   Begin VB.FileListBox File1 
      Height          =   2610
      Left            =   1920
      TabIndex        =   3
      Top             =   720
      Width           =   1335
   End
   Begin VB.DriveListBox Drive1 
      Height          =   300
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   1695
   End
   Begin VB.DirListBox Dir1 
      Height          =   2820
      Left            =   120
      TabIndex        =   1
      Top             =   600
      Width           =   1695
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   1920
      TabIndex        =   0
      Top             =   240
      Width           =   1335
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "解密后文字OR原文字"
      Height          =   180
      Left            =   3600
      TabIndex        =   9
      Top             =   2400
      Width           =   1620
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "加密前文字OR密码文字"
      Height          =   180
      Left            =   3480
      TabIndex        =   8
      Top             =   840
      Width           =   1800
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Drive1_Change()
 Dir1.Path = Drive1.Drive
End Sub
Private Sub Dir1_Change()
File1.Path = Dir1.Path
End Sub


Private Sub Form_Load()
Combo1.AddItem "*.txt"
Combo1.AddItem "*.dat"
Combo1.Text = "*.txt"
File1.Pattern = "*.txt"
End Sub
Private Sub File1_Click()
Select Case Combo1.Text
Case "*.txt"
File1.Pattern = "*.txt"
Case "*.dat"
File1.Pattern = "*.dat"
End Select
End Sub

Sub file1_DblClick()
Dim inputdata As String * 1
tfilename = IIf(Right(File1.Path, 1) = " \ ", File1.Path + File1.FileName, File1.Path + "\" + File1.FileName)
Open tfilename For Input As #1
Text1.Text = " "
Do While Not EOF(1)
enputdata = Input(1, #1)
Text1.Text = Text1.Text + enputdata
Loop
Close #1
End Sub


Private Sub Command1_Click()
Dim strinput$, code$, record$, c As String * 1
Dim i%, length%, iasc%
strinput = Text1.Text
length = Len(RTrim(strinput))
code = ""
For i = 1 To length
c = Mid(strinput, i, 1)
Select Case c
Case "A" To "Z"
iasc = Asc(c) + 5
If iasc > Asc("Z") Then iasc = iasc - 26
code = code + Chr(iasc)
Case "a" To "z"
iasc = Asc(c) + 5
If iasc > Asc("z") Then iasc = iasc - 26
code = code + Chr(iasc)
Case Else
code = code + c
End Select
Next i
Text2.Text = code
tfilename = IIf(Right(File1.Path, 1) = " \ ", File1.Path + File1.FileName, File1.Path + "\" + File1.FileName)
Open tfilename For Output As #1
For i = 1 To Len(Text1.Text)
Print #1, Mid(Text2.Text, i, 1);
Next i
Close #1
End Sub
Private Sub Command2_Click()
Dim strinput$, code$, record$, c As String * 1
Dim i%, length%, iasc%
strinput = Text1.Text
length = Len(RTrim(strinput))
code = ""
For i = 1 To length
c = Mid(strinput, i, 1)
Select Case c
Case "A" To "Z"
iasc = Asc(c) - 5
If iasc < Asc("A") Then iasc = iasc + 26
code = code + Chr(iasc)
Case "a" To "z"
iasc = Asc(c) - 5
If iasc < Asc("a") Then iasc = iasc + 26
code = code + Chr(iasc)
Case Else
code = code + c
End Select
Next i
Text2.Text = code
tfilename = IIf(Right(File1.Path, 1) = " \ ", File1.Path + File1.FileName, File1.Path + "\" + File1.FileName)
Open tfilename For Output As #1
For i = 1 To Len(Text2.Text)
Print #1, Mid(Text2.Text, i, 1);
Next i
Close #1
End Sub