用jspsmartupload进行上传下载

用jspsmartupload进行上传下载(4)                 if (rs.next()) {
                    oracle.sql.BLOB blob = ( (oracle.jdbc.OracleResultSet) rs).getBLOB("content");
                    OutputStream outStream = blob.getBinaryOutputStream();
                    inStream.read(bytes);
                    outStream.write(bytes);
                    outStream.flush();
                    stmt.execute("commit");
                    outStream.close();
                }
                inStream.close();
                stmt.close();

                if(file!=null)//删除文件
                    file.delete();

                out.println("upload sUCess");
            } else {