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1.ÅäÖÃcomm.jar.
Comm.jarÊÇSubʵÏֵײ㴮¿Ú²Ù×÷µÄAPI,µ÷ÓÃÁ˱¾µØµÄDLLÎļþ,ÒòΪJava±¾Éí²»¾ß±¸Ö±½Ó·ÃÎÊÓ²¼þÉèÖõÄÄÜÁ¦,¶¼ÊÇͨ¹ýµ÷Óñ¾µØ·½·¨À´Êµ
ÏÖµÄ.¿ÉÒÔJavaµÄ¹Ù·½ÍøÕ¾ÏÂÔØ.ÏÂÔØÖ®ºó°ÑÆäÖÐComm.jar°üµ¼Èëµ½¹¤³ÌµÄClasspathÖÐ,°ÑÁíÍâÁ½¸ö·Ç³£ÖØÒªµÄÎļþ
javax.comm.propertiesºÍwin32com.dll¿¼±´µ½ÄãµÄ¹¤³ÌĿ¼ÏÂ,¼´java.userÏÂ.
2.´ò¿ª´®¿Ú.
ÔÚ´ò¿ª´®¿ÚǰÊ×ÏÈÒª¼ÓÔØWin32com.dll,ÒòΪÎÒÃÇûÓаÑËü·Åµ½JRE·¾¶ÏÂ,ËùÒÔ±ØÐëÒª×Ô¼ºÏÔʽµÄ¼ÓÔØ.
String driverName = "com.sun.comm.Win32Driver";
CommDriver driver = null;
try {
   System.loadLibrary("win32com");
    driver = (CommDriver) Class.forName(driverName).newInstance();
   driver.initialize();
} catch (InstantiationException e1) {
   logger.error("1:" + e1.getMessage());

} catch (IllegalAccessException e1) {
   logger.error("2:" + e1.getMessage());

} catch (ClassNotFoundException e1) {
   logger.error(e1.getMessage());
}
È»ºó»ñÈ¡ÄãÖ¸¶¨µÄ¶Ë¿Ú:
SerialPort sPort = null;
CommPortIdentifier portID;
String owner = new String("modemn");
int keeptime = 5000;
Enumeration portList;
portList = CommPortIdentifier.getPortIdentifiers();
// Èç¹ûÓжà¸ö¶Ë¿Ú
while (portList.hasMoreElements()) {
   portID = (CommPortIdentifier) portList.nextElement();
   if (portID.getName().equals(com))
    try {
     sPort = (SerialPort) portID.open(owner, keeptime);
     break;
    }// ´ò¿ªÒ»¸ö´®¿Ú
    catch (PortInUseException e) {
     logger.fatal(e.getMessage());
     System.exit(1);
    }
}// while
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