我需要一种方法来轻松导出,然后将MySQL表中的数据从远程服务器导入我的家庭服务器.我没有直接访问服务器,也没有安装phpMyAdmin等实用程序.但是,我确实能够将PHP脚本放在服务器上.
我如何获得数据?
我问这个问题纯粹是为了记录下去的方式
您可以使用SQL:
$file = 'backups/mytable.sql'; $result = mysql_query("SELECT * INTO OUTFILE '$file' FROM `##table##`");
然后只需将浏览器或FTP客户端指向目录/文件(backups/mytable.sql)即可.这也是进行增量备份的好方法,例如,给定文件名时间戳.
要从该文件返回到DataBase,您可以使用:
$file = 'backups/mytable.sql'; $result = mysql_query("LOAD DATA INFILE '$file' INTO TABLE `##table##`");
另一个选择是使用PHP在服务器上调用系统命令并运行'mysqldump':
$file = 'backups/mytable.sql'; system("mysqldump --opt -h ##databaseserver## -u ##username## -p ##password## ##database | gzip > ".$file);
我是通过导出到CSV,然后使用任何可用的实用程序导入来完成的.我非常喜欢使用php://输出流.
$result = $db_con->query('SELECT * FROM `some_table`'); $fp = fopen('php://output', 'w'); if ($fp && $result) { header('Content-Type: text/csv'); header('Content-Disposition: attachment; filename="export.csv"'); while ($row = $result->fetch_array(MYSQLI_NUM)) { fputcsv($fp, array_values($row)); } die; }
您还应该考虑phpMinAdmin只有一个文件,因此很容易上传和设置.
WORKING SOLUTION(最新版本: Export.php + Import.php)
EXPORT_TABLES("localhost","user","pass","db_name");
码:
//https://github.com/tazotodua/useful-php-scripts function EXPORT_TABLES($host,$user,$pass,$name, $tables=false, $backup_name=false ){ $mysqli = new mysqli($host,$user,$pass,$name); $mysqli->select_db($name); $mysqli->query("SET NAMES 'utf8'"); $queryTables = $mysqli->query('SHOW TABLES'); while($row = $queryTables->fetch_row()) { $target_tables[] = $row[0]; } if($tables !== false) { $target_tables = array_intersect( $target_tables, $tables); } foreach($target_tables as $table){ $result = $mysqli->query('SELECT * FROM '.$table); $fields_amount=$result->field_count; $rows_num=$mysqli->affected_rows; $res = $mysqli->query('SHOW CREATE TABLE '.$table); $TableMLine=$res->fetch_row(); $content = (!isset($content) ? '' : $content) . "\n\n".$TableMLine[1].";\n\n"; for ($i = 0, $st_counter = 0; $i < $fields_amount; $i++, $st_counter=0) { while($row = $result->fetch_row()) { //when started (and every after 100 command cycle): if ($st_counter%100 == 0 || $st_counter == 0 ) {$content .= "\nINSERT INTO ".$table." VALUES";} $content .= "\n("; for($j=0; $j<$fields_amount; $j++) { $row[$j] = str_replace("\n","\\n", addslashes($row[$j]) ); if (isset($row[$j])){$content .= '"'.$row[$j].'"' ; }else {$content .= '""';} if ($j<($fields_amount-1)){$content.= ',';} } $content .=")"; //every after 100 command cycle [or at last line] ....p.s. but should be inserted 1 cycle eariler if ( (($st_counter+1)%100==0 && $st_counter!=0) || $st_counter+1==$rows_num) {$content .= ";";} else {$content .= ",";} $st_counter=$st_counter+1; } } $content .="\n\n\n"; } $backup_name = $backup_name ? $backup_name : $name."___(".date('H-i-s')."_".date('d-m-Y').")__rand".rand(1,11111111).".sql"; header('Content-Type: application/octet-stream'); header("Content-Transfer-Encoding: Binary"); header("Content-disposition: attachment; filename=\"".$backup_name."\""); echo $content; exit; }