🚀 go-pugleaf

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ObjectInputStream objectFromClient; 
	ObjectOutputStream objectToClient; 
	PrintStream printToClient; 
	BufferedReader readerFromClient; 
Զ�̵ľͳ��֣�java.io.EOFException 
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�ͻ�������˶�Serializableѽ 
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client�� 
class SubAnswer extends Object implements java.io.Serializable 
	try 
		{ 
			socket=new Socket("192.168.0.169",1001); 
			objectOut=new ObjectOutputStream(socket.getOutputStream()); 
			objectIn=new ObjectInputStream(socket.getInputStream()); 
			printOut=new PrintStream(socket.getOutputStream()); 
			readerIn=new BufferedReader(new InputStreamReader(socket.getInputStream()))
 
; 
			printOut.println("SubmitQuestionRequest"); 
			objectOut.writeObject((SubAnswer)sub); 
			objectOut.close(); 
			objectIn.close(); 
			printOut.close(); 
			readerIn.close(); 
			socket.close(); 
			 
		} 
		catch(Exception e) 
		{ 
			System.out.println("SubmitQuestion:"+e); 
		} 
	 
Server�� 
class SubAnswer extends Object implements java.io.Serializable 
	SubAnswer subAnswer; 
		try 
		{ 
			subAnswer=new SubAnswer(); 
			subAnswer=(SubAnswer)objectFromClient.readObject(); 
			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 
			Connection con; 
			con=DriverManager.getConnection("jdbc:odbc:exam","sa","123"); 
			PreparedStatement preparedStatement; 
			preparedStatement=con.prepareStatement("update subAnswer set vSubAnswer=? ,
 
iTry=? where iExamPaperId=? and iExamQuestionID=?"); 
			preparedStatement.setString(1,subAnswer.subAnswer); 
			preparedStatement.setInt(2,subAnswer.intTry); 
			preparedStatement.setInt(3,subAnswer.examPaperId); 
			preparedStatement.setFloat(4,subAnswer.examQuestionId); 
			preparedStatement.executeUpdate(); 
			System.out.println("�ɹ�Update subAnswer**:"); 
			readerFromClient.close();			 
			objectFromClient.close(); 
			preparedStatement.close(); 
			con.close(); 
		} 
		catch(Exception e) 
		{ 
			System.out.println("Update subAnswer:"+e); 
		} 
 

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�� ��Դ:���㽭��ѧ���ɰٴ�վ http://bbs.zju.edu.cn [FROM: fireflyjava]