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我正在編寫用於閱讀電子護照的程序(Java應用程序)。對於訪問,我使用庫org.jmrtd。我應該在CardService.getInstance()中傳輸哪種對象?如何使用CardService連接到ACR122
import net.sf.scuba.smartcards.CardService;
import net.sf.scuba.smartcards.CardServiceException;
import org.jmrtd.BACKeySpec;
import org.jmrtd.PassportService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestComponent {
private static final Logger log = LoggerFactory.getLogger(MainApp.class);
public static void main(String args[]) {
try {
CardService cs = CardService.getInstance(???????);
PassportService ps = new PassportService(cs);
ps.open();
ps.sendSelectApplet(false);
ps.sendSelectApplet(false);
BACKeySpec bacKey = new BACKeySpec() {
public String getDocumentNumber() {
return "xxxxxxxx";
}
public String getDateOfBirth() {
return "yyMMdd";
}
public String getDateOfExpiry() {
return "yyMMdd";
}
};
ps.doBAC(bacKey);
ps.close();
} catch (CardServiceException e) {
e.printStackTrace();
}
}
}