JAVA保存图片到MYSQL数据库中,两个方法的区别.

Connection con = db.getConn();

	         String erpsql = "insert into table_name values(?,?,?,?)";

	         PreparedStatement stmt = con.prepareStatement(erpsql);

	         stmt.setString(1,id);

	         stmt.setString(2,type_id);

	         stmt.setString(3,date);

                 stmt.setBinaryStream(4,fin,(int)file.getFileSize());

                 stmt.executeUpdate();

Connection con = db.getConn();

	         String erpsql = "insert into table_name values(?,?,?,?)";

	         PreparedStatement stmt = con.prepareStatement(erpsql);

	         stmt.setString(1,id);

	         stmt.setString(2,type_id);

	         stmt.setString(3,date);

	         System.out.println("fsdfassss===="+file.getFileSize());

	         try {

				stmt.setBytes(4, file.getFileData());

			} catch (FileNotFoundException e1) {

				e1.printStackTrace();

			} catch (IOException e1) {

				e1.printStackTrace();

			}

	         stmt.executeUpdate();