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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
³É¹¦´ò¿ª¶Ë¿ÚÖ®ºó,ÉèÖö˿ڵÄÏà¹Ø²ÎÊý,Èç²¨ÌØÂÊ¡¢Êý¾Ýλ¡¢ÆæÅ¼Ð£ÑéλµÈ.Õâ¸ö¸ú¾ßÌåµÄÉ豸ÓйØ,²»¹ýÒ»°ãÇé¿öϲ¨ÌØÂÊΪ9600£¬Êý¾ÝλΪ8£¬Í£Ö¹Î»Îª1£¬ÆæÅ
Ïà¹ØÎĵµ£º
String[] ips = ipValue.split("\\.");
String binaryVal = "";
for (int i = 0; i < ips.length; i++)
{
String binaryStr = Integer.toBinaryString(Integer.parseInt(ips[i]));
Integer times = 8 - binaryStr.length();
......
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http://java.sun.com/javase/technologies/hotspot/vmoptions.jsp
Categories of Java HotSpot VM Options
Standard options recognized by the Java HotSpot VM are described on the Java Application Launcher reference pages for Windows
, Solaris
and Linux
. This document deals exclusively wit ......