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1   mysql´æ´¢´óÈÝÁ¿µÄ¶þ½øÖÆÎļþµÄ¸ñʽÊÇblob£¬Æäʵ³ýÁËͼƬ»¹¿ÉÒÔ´æ±ðµÄ
2   ÒªÏòÊý¾Ý¿â´æ´¢¶þ½øÖƵÄÎļþÒ»¶¨Òª°ÑÒª´æ´¢µÄÊý¾Ýת»»³É¶þ½øÖÆÁ÷
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package com.lizhe;
import java.io.*;
import java.sql.*;
public class PutImg {
public void putimg() {
try {
   Class.forName("org.gjt.mm.mysql.Driver").newInstance();
   String url = "jdbc:mysql://localhost/img?user=root&password=root&useUnicode=true&characterEncoding=gbk";
   Connection conn = DriverManager.getConnection(url);
   Statement stmt = conn.createStatement();
   //stmt.execute("insert   into   imgt (id)   values   (5)");
   stmt.close();
   PreparedStatement pstmt = null;
   String sql = "";
   File file = new File("c:\\blog.jpg");
   InputStream photoStream = new FileInputStream(file);
   //sql = "   UPDATE   imgt   SET   img   =   ?   ";
    
   sql = "INSERT INTO imgtable (img) VALUES (?)";
  
   pstmt = conn.prepareStatement(sql);
   pstmt.setBinaryStream(1, photoStream, (int) file.length());
   pstmt.executeUpdate();
   pstmt.close();
   conn.close();
} catch (Exception e) {
   e.printStackTrace();
}
}
public static void main(String args[]){
PutImg pi=new PutImg();
pi.putimg();
}
}
InputStream photoStream = new FileInputStream(file);
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pstmt.setBinaryStream(1, photoStream, (int) file.length());
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