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ÔÚ×ö¹ýÒ»Äê¶àµÄRXTX²Ù×÷´®¿ÚÏîÄ¿ÓÐÏÖÔÚ°ÑһЩƽʱÓöµ½µÄÎÊÌâÔÚÕâÀïдд£º
RXTXÊÇÒ»¸ö¿ªÔ´°ü£¬Ö÷ÒªÊÇÔÚCOMM¿ªÔ´°üÖÐ×öÀ©ÕÅ£¬ÒÔǰµÄCOMM°üÖ»ÄÜÔÚWINDOWSÏÂÃæ¶Ô´®¿Ú»ò²¢¿Ú×ö²Ù×÷£¬À©³äºóµÄRXTX¿ÉÒÔÔÚLINUXºÍMAC϶Դ®¿ÚºÍ²¢¿Ú×ö²Ù×÷¡£  ÏÖÔÚ¿çÆ½Ì¨£º
ÔÚRXTXÍøÕ¾ÏÂÔØJAR°üºÍ¶¯Ì¬¿â
http://users.frii.com/jarvi/rxtx/download.html
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Windows
¿½±´RXTXcomm.jar Îļþµ½ \jre\lib\ext Ŀ¼ÏÂ
¿½±´rxtxSerial.dllÎļþµ½ \jre\binĿ¼ÏÂ
Mac OS X (x86 and ppc) (there is an Installer with the source)
MACÏÂÃæÎÒ×Ô¼ºÃ»ÓÐÅäÖû·¾³³É¹¦£¬ºóÀ´ÕÒÒ»¸öMACÏÂRXTXµÄ°²×°°Ñ»·¾³ÅäÖúõġ£
http://www.jdivelog.org/how-to/mac-os-x/ÏÂÔØ°²×°»·¾³ÅäÖÃÎļþRXTX_Tiger.pkg
Linux (only x86, x86_64, ia64 here but more in the ToyBox)
¿½±´RXTXcomm.jar Îļþµ½ /jre/lib/ext Ŀ¼ÏÂ
¿½±´librxtxSerial.so Îļþµ½ /jre/lib/[machine type] (i386 for instance)Ŀ¼ÏÂ
²¢½«¿½±´ÎļþÊÍ·ÅȨÏÞ¸øËùÓÐÓû§
Solaris (sparc only so far)
¿½±´RXTXcomm.jar Îļþµ½ /jre/lib/ext Ŀ¼ÏÂ
¿½±´librxtxSerial.so Îļþµ½ /jre/lib/[machine type]Ŀ¼ÏÂ
²¢½«¿½±´ÎļþÊÍ·ÅȨÏÞ¸øËùÓÐÓû§
±¾ÎÄÔ´ÓÚ£ºhttp://www.javaeye.com/topic/205974
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Java´úÂë
import java.io.*;   
import java.text.SimpleDateFormat;   
import java.util.Date;   
import java.util.TooManyListenersException;   
  
import gnu.io.CommPortIdentifier;   
import gnu.io.NoSuchPortException;   
import gnu.io.PortInUseException;   
import gnu.io.SerialPort;   
import gnu.io.SerialPortEvent;   
import gnu.io.SerialPortEventListener;   
  
public class SerialComm implements SerialPortEventListener, Runnable   
{   
    public final static String PORT_OWER = "MonitorApp";   
  
    private boolean isOpen;   
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ÔÚ³õѧjava swingʱ±ãÓõÄÊÇJbuilder£¬±ã½ÝµÄ¹¤¾ßϲúÉúµÄ½á¹ûÓÐÁ½¸ö£¬Ò»ºÃÒ»»µ¡£ºÃµÄ·½ÃæÊÇ̫ˬÁË£¬½ö½öÊó±êµã»÷£¬Êó±êÒÆ¶¯£¬±ã»á²ú³ö²»ÓÃÀí½âµÄ´úÂ룬¶øÕâЩ´úÂëÕÕÑùÄÜÔËÐУ¬Íê³ÉËùÐèÒªµÄ¹¦ÄÜ£»»µµÄ·½ÃæÊÇÌ«ÔãÁË£¬µ±À뿪Jbuilder¹¤¾ß¿ª·¢swingʱ£¬ËùÓеķ½ÃæÍ¨Í¨Ã»ÓУ¬ËùÓе ......

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 public static void main(String[] args) throws ParseException {
  String str = "yyyy-MM-dd 00:00:00.0";
  String str1 = str.substring(0, 10);
  /*
   * ½«yyyy-1-1ת»»³Éyyyy-01-01
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package pkg1;
public class Jupiter
{
void method1(){
System.out.println("In Jupiter");
}
public void call(){
method1();
}
}
package pkg2;
import pkg1.Jupiter;
public class Minerva extends Jupiter{
public void method1(){
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