mysql中blob数据处理方式

package epoint.mppdb_01.h3c;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IOUtils;
public class MySQLblobToMPPphoto {
  // MySQL连接
  public static Connection getMySQLConnection() throws Exception {
    String MySQLDRIVER = "com.mysql.jdbc.Driver";
    String MySQLURL = "jdbc:mysql://192.168.186.13:3306/bigdata_scene03_rktj";
    String MySQLUSERNAME = "root";
    String MySQLPASSWORD = "Gepoi