读取一个二进制文件保存到数据库中

//insert into ttt values('2000/12/12')

import java.sql.*;

import java.io.*;

public class ReadDB{

public static void main(String[] args) {

BufferedInputStream in=null;

BufferedOutputStream o=null;

String sql="select id,picture from picture where id="+args[1];

Connection conn=null;

String driver="com.mysql.jdbc.Driver";//驱动

String url="jdbc:mysql://127.0.0.1/test?useUnicode=true;characterEncoding=8859_1";// 数据库联接

try{

Class.forName(driver);

conn=DriverManager.getConnection(url,"root","");

Statement stmt=conn.createStatement();

ResultSet rs=stmt.executeQuery(sql);

while(rs.next()) {

in=new BufferedInputStream(rs.getBinaryStream("picture"));

o=new BufferedOutputStream(new FileOutputStream(args[0]));

byte[] bytes=new byte[128];

while(in.read(bytes)!=-1){

o.write(bytes);

}

o.close();

}

conn.close();

}catch(Exception e){

System.out.println(e.getMessage());

}

}

}