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//½øÐÐÐòÁл¯
 public byte[] getByteArray(String[] str)
   {
     byte[] bt = (byte[])null;
     try {
       if (str != null) {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         ObjectOutputStream oos = new ObjectOutputStream(bos);
         oos.writeObject(str);
         bt = bos.toByteArray();
       }
     } catch (Exception ex) {
       bt = (byte[])null;
       ex.printStackTrace();
     }   
     return bt;
   }
  
 //½øÐз´ÐòÁл¯
 public String[] getArrayList(byte[] bt)
   {
     String[] Array;
     ObjectInputStream objIps;
     try
     {
       objIps = new ObjectInputStream(
         new ByteArrayInputStream(bt));
       Array = (String[])objIps.readObject();
      
     } catch (Exception ex) {
       ex.printStackTrace();
       return null;
     }
     return Array;
   }


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