form1.frm

可以用VB打开工程.直接查看U盘序列号.和MD5加密

VERSION 5.00
Begin VB.Form Form1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "U盘序列号"
   ClientHeight    =   960
   ClientLeft      =   45
   ClientTop       =   450
   ClientWidth     =   4605
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   960
   ScaleWidth      =   4605
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox Text2 
      Height          =   270
      Left            =   1080
      TabIndex        =   3
      Text            =   "Text2"
      Top             =   480
      Width           =   3255
   End
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   1080
      TabIndex        =   0
      Text            =   "Text1"
      Top             =   120
      Width           =   3255
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "MD5加密："
      Height          =   180
      Left            =   240
      TabIndex        =   2
      Top             =   480
      Width           =   810
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "U盘序列号："
      Height          =   180
      Left            =   120
      TabIndex        =   1
      Top             =   120
      Width           =   990
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Function CC()
    On Error Resume Next
    Set objWMIService = GetObject("winmgmts:\\.\root\cimv2")
    Set colItems = objWMIService.ExecQuery("Select * From Win32_USBHub")
    For Each objItem In colItems
        a = objItem.DeviceID  'U盘识别为:USB\VID_09A6&PID_800\20040418154911-00，故用VID判别
        If a Like "*VID*" Then b = Split(a, "\")
        CC = b(UBound(b))
        '上句亦可:If InStr(a, "VID") Then b = Split(a, "\"): MsgBox b(UBound(b))
    Next
End Function

Private Sub Form_Load()
Text1.Text = CC
If Text1.Text = "" Then
   MsgBox "请插入U盘"
   End
End If
Text2.Text = MD5(CC, 32)
End Sub