import   java.sql.*;   
import   java.io.*;   
import   java.util.*;   
import   java.text.*;   
import   java.lang.*;   
import   com.ibm.db2.jcc.*;   
import   COM.ibm.db2.jdbc.app.*;

public   class TESTBLOB { 

//DB2插入blob字段数据
public void insertBlobData()
{ 
    String   sDBDriver       =   "com.ibm.db2.jcc.DB2Driver";   
    String   sConnDataBase   =   "jdbc:db2://192.168.12.24:50000/TAXEXDB";   
// String   sDBDriver       =   "COM.ibm.db2.jdbc.app.DB2Driver";   
// String   sConnDataBase   =   "jdbc:db2:TAXEXDB"; 
    String   sConnUser   =   "db2inst1";   
    String   sConnPassd   =   "passw0rd";   
      
    Connection   con;       
    Statement   stmt;   
    ResultSet   rs;   
    
                
    System.out.println("ok0");   
    try   {   
      Class.forName(sDBDriver);   
      System.out.println("ok1");   
      con   =   DriverManager.getConnection(sConnDataBase,   sConnUser,   sConnPassd);   
      System.out.println("ok2"); 
      
      PreparedStatement preparedStatement =
          con.prepareStatement(
              "INSERT INTO test2(f1)"
            + " VALUES(?)");
              
      System.out.println("ok3"); 
      File imgFile = new File("c:\\s1.jpg");    
      InputStream inputStream = new FileInputStream(imgFile);
      preparedStatement.setBinaryStream(1, inputStream,
                      (int) (imgFile.length()));

      System.out.println("ok4"); 
      preparedStatement.executeUpdate(); 
      System.out.println("ok5"); 
    
      preparedStatement.close();   
      con.close();       
    }
    catch(Exception   e)   {   
      e.printStackTrace();   
    }   
    
}
   
//取blob字段数据
public void getBlobData()
{
    String   sDBDriver      =   "com.ibm.db2.jcc.DB2Driver";   
    String   sConnDataBase =   "jdbc:db2://192.168.12.24:50000/TAXEXDB";   
// String   sDBDriver      =   "COM.ibm.db2.jdbc.app.DB2Driver";   
// String   sConnDataBase =   "jdbc:db2:TAXEXDB"; 
    String   sConnUser      =   "db2inst1";   
    String   sConnPassd     =   "passw0rd";   
      
    Connection con;
    Statement   stmt;
    ResultSet   rs;
    

    System.out.println("ok0");   
    try   {   
      Class.forName(sDBDriver);   
      System.out.println("ok1"); 

      con   =   DriverManager.getConnection(sConnDataBase,   sConnUser,   sConnPassd);   
      System.out.println("ok2"); 
      
      PreparedStatement preparedStatement =
        con.prepareStatement(
              "SELECT f1 FROM test2");
        
        ResultSet resultSet = preparedStatement.executeQuery();

        while (resultSet.next()) {
          Blob blob = resultSet.getBlob("f1");
          InputStream inputStream = blob.getBinaryStream();

          File fileOutput =
                new File("c:\\news1.jpg");
          FileOutputStream fo =
                new FileOutputStream(fileOutput);
          int c;
          while ((c = inputStream.read()) != -1) {
              fo.write(c);
          }
          fo.close();
        }
    }
    catch(Exception   e)   {   
      e.printStackTrace();   
    } 
}

public   static void   main(String[] args)   { 
    TESTBLOB test = new TESTBLOB();
    
    test.insertBlobData();
    test.getBlobData();   
}   
}