php导出超过10万行数据到excel

数据量超过10万,用php_excel导出很慢并且数据导入不全,还占空间,用csv格式导出,很快还不出错.php set_time_limit(0); header('Content-Type: application/vnd.ms-excel'); header('Content-Disposition: attachment;filename="amazon_product_quantity.

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