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详细代码
'读卡函数声明
Private Declare Function piccreadex Lib "OUR_MIFARE.dll" (ByVal ctrlword As Byte,ByVal serial As Long,ByVal area As Byte,ByVal keyA1B0 As Byte,ByVal picckey As Long,ByVal piccdata0_2 As Long) As Byte
'写卡函数声明
Private Declare Function piccwriteex Lib "OUR_MIFARE.dll" (ByVal ctrlword As Byte,ByVal piccdata0_2 As Long) As Byte
'修改单区函数声明
Private Declare Function piccchangesinglekey Lib "OUR_MIFARE.dll" (ByVal ctrlword As Byte,ByVal piccoldkey As Long,ByVal piccnewkey As Long) As Byte
'让设备发出声响函数声明
Private Declare Function pcdbeep Lib "OUR_MIFARE.dll" (ByVal xms As Long) As Byte
'读取设备编号函数声明
Private Declare Function pcdgetdevicenumber Lib "OUR_MIFARE.dll" (ByVal devicenumber As Long) As Byte
'发送字符至读卡器显示
Private Declare Function lcddispfull Lib "OUR_MIFARE.dll" (ByVal lcdstr As String) As Byte
'控制字定义,控制字指定,控制字的含义请查看本公司网站提供的动态库说明
Private Const BLOCK0_EN = &H1
Private Const BLOCK1_EN = &H2
Private Const BLOCK2_EN = &H4
Private Const NEEDSERIAL = &H8
Private Const EXTERNKEY = &H10
Private Const NEEDHALT = &H20
Private Sub Command1_Click()
'轻松读卡
'技术支持:
'网站:
Dim status As Byte '存放返回值
Dim myareano As Byte '区号
Dim authmode As Byte '密码类型，用A密码或B密码
Dim myctrlword As Byte '控制字
Dim mypicckey(0 To 5) As Byte '密码
Dim mypiccserial(0 To 3) As Byte '卡序列号
Dim mypiccdata(0 To 47) As Byte '卡数据缓冲
'控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myctrlword = BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY
'指定区号
myareano = 8 '指定为第8区
'批定密码模式
authmode = 1 '大于0表示用A密码认证，推荐用A密码认证
'指定密码
mypicckey(0) = &HFF
mypicckey(1) = &HFF
mypicckey(2) = &HFF
mypicckey(3) = &HFF
mypicckey(4) = &HFF
mypicckey(5) = &HFF
status = piccreadex(myctrlword,VarPtr(mypiccserial(0)),myareano,authmode,VarPtr(mypicckey(0)),VarPtr(mypiccdata(0)))
'在下面设定断点，然后查看mypiccserial、mypiccdata，
'调用完 piccreadex函数可读出卡序列号到 mypiccserial，读出卡数据到mypiccdata，
'开发人员根据自己的需要处理mypiccserial、mypiccdata 中的数据了。
'处理返回函数
Select Case status
Case 0:
MsgBox "操作成功"
Case 8:
MsgBox "请将卡放在感应区"
Case 21 '没有动态库
MsgBox "找不到动态库ICUSB.DLL请将ICUSB.DLL拷贝到VB安装后的目录VB98下"
Case Else
MsgBox "异常"
End Select
'返回解释
'#define ERR_REQUEST 8'寻卡错误
'#define ERR_READSERIAL 9'读序列吗错误
'#define ERR_SELECTCARD 10'选卡错误
'#define ERR_LOADKEY 11'装载密码错误
'#define ERR_AUTHKEY 12'密码认证错误
'#define ERR_READ 13'读卡错误
'#define ERR_WRITE 14'写卡错误
'#define ERR_NONEDLL 21'没有动态库
'#define ERR_DRIVERORDLL 22'动态库或驱动程序异常
'#define ERR_DRIVERNULL 23'驱动程序错误或尚未安装
'#define ERR_TIMEOUT 24'操作超时，一般是动态库没有反映
'#define ERR_TXSIZE 25'发送字数不够
'#define ERR_TXCRC 26'发送的CRC错
'#define ERR_RXSIZE 27'接收的字数不够
'#define ERR_RXCRC 28'接收的CRC错
End Sub
Private Sub Command2_Click()
'轻松写卡
'技术支持:
'网站:
Dim i As Integer
Dim status As Byte '存放返回值
Dim myareano As Byte '区号
Dim authmode As Byte '密码类型，用A密码或B密码
Dim myctrlword As Byte '控制字
Dim mypicckey(0 To 5) As Byte '密码
Dim mypiccserial(0 To 3) As Byte '卡序列号
Dim mypiccdata(0 To 47) As Byte '卡数据缓冲
'控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myctrlword = BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY
'指定区号
myareano = 8 '指定为第8区
'批定密码模式
authmode = 1 '大于0表示用A密码认证，推荐用A密码认证
'指定密码
mypicckey(0) = &HFF
mypicckey(1) = &HFF
mypicckey(2) = &HFF
mypicckey(3) = &HFF
mypicckey(4) = &HFF
mypicckey(5) = &HFF
'指定卡数据
For i = 0 To 47
mypiccdata(i) = i
Next i
status = piccwriteex(myctrlword,VarPtr(mypiccdata(0)))
'在下面设定断点，然后查看mypiccserial、mypiccdata，
'调用完 piccreadex函数可读出卡序列号到 mypiccserial，读出卡数据到mypiccdata，
'开发人员根据自己的需要处理mypiccserial、mypiccdata 中的数据了。
'处理返回函数
Select Case status
Case 0:
MsgBox "操作成功"
Case 8:
MsgBox "请将卡放在感应区"
Case 21 '没有动态库
MsgBox "找不到动态库ICUSB.DLL请将ICUSB.DLL拷贝到VB安装后的目录VB98下"
Case Else
MsgBox "异常"
End Select
'返回解释
'#define ERR_REQUEST 8'寻卡错误
'#define ERR_READSERIAL 9'读序列吗错误
'#define ERR_SELECTCARD 10'选卡错误
'#define ERR_LOADKEY 11'装载密码错误
'#define ERR_AUTHKEY 12'密码认证错误
'#define ERR_READ 13'读卡错误
'#define ERR_WRITE 14'写卡错误
'#define ERR_NONEDLL 21'没有动态库
'#define ERR_DRIVERORDLL 22'动态库或驱动程序异常
'#define ERR_DRIVERNULL 23'驱动程序错误或尚未安装
'#define ERR_TIMEOUT 24'操作超时，一般是动态库没有反映
'#define ERR_TXSIZE 25'发送字数不够
'#define ERR_TXCRC 26'发送的CRC错
'#define ERR_RXSIZE 27'接收的字数不够
'#define ERR_RXCRC 28'接收的CRC错
End Sub
Private Sub Command3_Click()
'修改单区密码
'技术支持:
'网站:
Dim i As Integer
Dim status As Byte '存放返回值
Dim myareano As Byte '区号
Dim authmode As Byte '密码类型，用A密码或B密码
Dim myctrlword As Byte '控制字
Dim mypiccserial(0 To 3) As Byte '卡序列号
Dim mypiccoldkey(0 To 5) As Byte '旧密码
Dim mypiccnewkey(0 To 5) As Byte '新密码
'控制字指定,控制字的含义请查看本公司网站提供的动态库说明
myctrlword = BLOCK0_EN + BLOCK1_EN + BLOCK2_EN + EXTERNKEY
'指定区号
myareano = 8 '指定为第8区
'批定密码模式
authmode = 1 '大于0表示用A密码认证，推荐用A密码认证
'指定旧密码
mypiccoldkey(0) = &HFF
mypiccoldkey(1) = &HFF
mypiccoldkey(2) = &HFF
mypiccoldkey(3) = &HFF
mypiccoldkey(4) = &HFF
mypiccoldkey(5) = &HFF
'指定新密码,注意：指定新密码时一定要记住，否则有可能找不回密码，导致该卡报废。
mypiccnewkey(0) = &HFF
mypiccnewkey(1) = &HFF
mypiccnewkey(2) = &HFF
mypiccnewkey(3) = &HFF
mypiccnewkey(4) = &HFF
mypiccnewkey(5) = &HFF
status = piccchangesinglekey(myctrlword,VarPtr(mypiccoldkey(0)),VarPtr(mypiccnewkey(0)))
'处理返回函数
Select Case status
Case 0:
MsgBox "操作成功"
Case 8:
MsgBox "请将卡放在感应区"
Case 21 '没有动态库
MsgBox "找不到动态库ICUSB.DLL请将ICUSB.DLL拷贝到VB安装后的目录VB98下"
Case Else
MsgBox "异常"
End Select
'返回解释
'#define ERR_REQUEST 8'寻卡错误
'#define ERR_READSERIAL 9'读序列吗错误
'#define ERR_SELECTCARD 10'选卡错误
'#define ERR_LOADKEY 11'装载密码错误
'#define ERR_AUTHKEY 12'密码认证错误
'#define ERR_READ 13'读卡错误
'#define ERR_WRITE 14'写卡错误
'#define ERR_NONEDLL 21'没有动态库
'#define ERR_DRIVERORDLL 22'动态库或驱动程序异常
'#define ERR_DRIVERNULL 23'驱动程序错误或尚未安装
'#define ERR_TIMEOUT 24'操作超时，一般是动态库没有反映
'#define ERR_TXSIZE 25'发送字数不够
'#define ERR_TXCRC 26'发送的CRC错
'#define ERR_RXSIZE 27'接收的字数不够
'#define ERR_RXCRC 28'接收的CRC错
End Sub
Private Sub Command4_Click()
'让设备发出声音
'技术支持:
'网站:
pcdbeep 50
End Sub
Private Sub Command5_Click()
'读取设备编号，可做为软件加密狗用,也可以根据此编号在公司网站上查询保修期限
'技术支持:
'网站:
Dim status As Byte
Dim devno(0 To 3) As Byte '设备编号
status = pcdgetdevicenumber(VarPtr(devno(0)))
If status = 0 Then
MsgBox CStr(devno(0)) + "-" + CStr(devno(1)) + "-" + CStr(devno(2)) + "-" + CStr(devno(3))
End If
'返回解释
'#define ERR_REQUEST 8'寻卡错误
'#define ERR_READSERIAL 9'读序列吗错误
'#define ERR_SELECTCARD 10'选卡错误
'#define ERR_LOADKEY 11'装载密码错误
'#define ERR_AUTHKEY 12'密码认证错误
'#define ERR_READ 13'读卡错误
'#define ERR_WRITE 14'写卡错误
'#define ERR_NONEDLL 21'没有动态库
'#define ERR_DRIVERORDLL 22'动态库或驱动程序异常
'#define ERR_DRIVERNULL 23'驱动程序错误或尚未安装
'#define ERR_TIMEOUT 24'操作超时，一般是动态库没有反映
'#define ERR_TXSIZE 25'发送字数不够
'#define ERR_TXCRC 26'发送的CRC错
'#define ERR_RXSIZE 27'接收的字数不够
'#define ERR_RXCRC 28'接收的CRC错
End Sub
Private Sub Command6_Click()
'发送字符至读卡器显示
Dim str1 As String
str1 = Text1.Text
lcddispfull (str1) End Sub （编辑：李大同）
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