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import java.sql.*;
import java.io.*;
public class DBTest {
  
   static String driver = "org.gjt.mm.mysql.Driver";
   static String url = "jdbc:mysql://localhost:3306/test";
   static String user = "root";
   static String passwd = "passwd";
   public static void main(String[] args) throws Exception {
     Connection conn = null;
     try {
       Class.forName(driver);
       conn = DriverManager.getConnection(url,user,passwd);
      
       int op = 1;
       //²åÈë
       if (op == 0) {
         PreparedStatement ps = conn.prepareStatement("insert into tb_file values (?,?)");
         ps.setString(1, "aaa.exe");
         InputStream in = new FileInputStream("d:/aaa.exe");
         ps.setBinaryStream(2,in,in.available());
         ps.executeUpdate();
         ps.close();
       }
       else {
         //È¡³ö
         PreparedStatement ps = conn