/// <summary>
/// 判断读卡器中插入的是一张空卡
/// </summary>
public static bool CheckNullCard(string storePassword)
{
int icdev = 0;
try
{
icdev = ICCardUtility.IC_InitComm(100); //初始化usb
if (icdev <= 0)
{
return(false);
}
int iReadDev = -1;
byte[] sdata = new byte[9];
iReadDev = ICCardUtility.IC_ReadVer(icdev, sdata);
if (iReadDev < 0)
{
return(false);
}
short st = 0;
st = ICCardUtility.IC_InitType(icdev, 16);
if (st < 0)
{
return(false);
}
st = ICCardUtility.IC_DevBeep(icdev, 10);//等待10毫秒
st = ICCardUtility.IC_Status(icdev);
if (st == 1)
{
return(false);
}
if (st != 0)
{
return(false);
}
st = ICCardUtility.IC_CheckPass_4442hex(icdev, ICPass);
if (st != 0)
{
st = ICCardUtility.IC_CheckPass_4442hex(icdev, storePassword);
if (st == 0)
{
return(false);
}
}
return(true);
}
finally
{
//对卡下电，对于逻辑加密卡，下电后必须密码变为有效，即要写卡必须重新校验密码。
ICCardUtility.IC_Down(icdev);
//关闭端口，在Windows系统中，同时只能有一个设备使用端口，所以在退出系统时，请关闭端口，以便于其它设备使用。
ICCardUtility.IC_ExitComm(icdev);
}
}
/// <summary>
/// 基础校验,检查读卡器与IC卡是否都存在
/// 默认蜂鸣true
/// 存在返回ok,不存在返回错误信息
/// </summary>
private static string check(int icdev, bool isBeep = true)
{
if (icdev <= 0)
{
ICCardUtility.IC_Down(icdev);
ICCardUtility.IC_ExitComm(icdev);
return("提示：IC读卡器USB初始化失败！");
}
int iReadDev = -1;
byte[] sdata = new byte[9];
iReadDev = ICCardUtility.IC_ReadVer(icdev, sdata);
if (iReadDev < 0)
{
ICCardUtility.IC_Down(icdev);
ICCardUtility.IC_ExitComm(icdev);
return("提示：无法找到IC读卡器硬件版本号！");
}
short st = 0;
st = ICCardUtility.IC_InitType(icdev, 16);
if (st < 0)
{
ICCardUtility.IC_Down(icdev);
ICCardUtility.IC_ExitComm(icdev);
return("提示：设置IC卡类型失败！");
}
if (isBeep)
{
st = ICCardUtility.IC_DevBeep(icdev, 10); //等待10毫秒
}
st = ICCardUtility.IC_Status(icdev);
if (st == 1)
{
ICCardUtility.IC_Down(icdev);
ICCardUtility.IC_ExitComm(icdev);
return("提示：读卡器中没有插卡");
}
if (st != 0)
{
ICCardUtility.IC_Down(icdev);
ICCardUtility.IC_ExitComm(icdev);
return("提示：无法连接到读卡器");
}
return("ok");
}