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1. SerialBean
SerialBeanÊDZ¾Àà¿âÓëÆäËûÓ¦ÓóÌÐòµÄ½Ó¿Ú¡£¸ÃÀà¿âÖж¨ÒåÁËSerialBeanµÄ¹¹Ôì·½·¨ÒÔ¼°³õʼ»¯´®¿Ú£¬´Ó´®¿Ú¶ÁÈ¡Êý¾Ý£¬Íù´®¿ÚдÈëÊý¾ÝÒÔ¼°¹Ø±Õ´®¿ÚµÄº¯Êý¡£¾ßÌå½éÉÜÈçÏ£º
public SerialBean(int PortID)
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public int Initialize()
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public String ReadPort(int Length)
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public void WritePort(String Msg)
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public void ClosePort()
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package serial;
 import java.io.*;
 import java.util.*;
 import javax.comm.*;
 /**
  *
  * This bean provides some basic functions to implement full dulplex
  * information exchange through the srial port.
  *
  */
 public class SerialBean
 {
   static String PortName;
   CommPortIdentifier portId;
   SerialPort serialPort;
   static OutputStream out;
   static InputStream  in;
   SerialBuffer SB;
   ReadSerial   RT;
     /**
      *
      * Constructor
      *
      * @param PortID the ID of the serial to be used. 1 for COM1,
      * 2 for COM2, etc.
      *
      */
     public SerialBean(int PortID)
     {
       PortName = "COM" + PortID;
     }
     /**
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