ทำไมเมื่อฉันพยายามบันทึกไฟล์ xlsx จากไซต์มือถือ มันกลับเป็น filename.xlsx.html แต่บนเดสก์ท็อปกลับใช้งานได้ดี
$xlsSave = new Xls($spreadsheet);
header(\'Content-Disposition: attachment; filename="\' . $filename . \'.xlsx"\');
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