$sql = $head . " 1 \n-- \n-- DATABASE : " . $arrGPdoDB['db_name'] . "\n-- \n\n-- ---------------------------------\n";
$zip = new phpzip();
$vol_size = $_POST['vol_size'];
$sql_name = $_POST['sql_name'];
$i = 1;
$error = 0;
if (!$objWebInit->creat_cache($sql)) {
die("不能建立缓存文件！");
}
$arrTables = $objWebInit->get_table();
foreach ($arrTables as $k => $table) {
if (!$objWebInit->get_table_df($table, $sql, $_POST['drop_tab'])) {
$error = 1;
break;
}
if (!$objWebInit->get_table_content($table, $sql, $_POST['ext_insert'])) {
$error = 1;
break;
}
}
if (filesize($objWebInit->cache) > $vol_size) {
if (!($fp = @fopen($objWebInit->cache, 'r'))) {
die($objWebInit->cache . " 缓存文件不存在.");
} else {
$intBlock = $_POST['vol_size'] * 1024;
while (!feof($fp)) {
$buffer = fread($fp, $intBlock);
$buffer .= fgets($fp);
$zip->add_file($buffer, $arrGPdoDB['db_name'] . '_' . $date . '_' . $i . '.sql');
$i++;
$sql = $head . $i . "\n-- \n-- DATABASE : " . $arrGPdoDB['db_name'] . "\n-- \n\n-- ---------------------------------\n";