PHPExcel 在LINUX环境中导出乱码的问题解决

$ua = $_SERVER['HTTP_USER_AGENT'];
if(preg_match('/MSIE/',$ua)) {
$file_name = str_replace('+','%20',urlencode($file_name));
}

header('Content-Type:application/csv;charset=UTF-8');//application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
header('Content-Disposition: attachment;filename="' . $file_name . '"');
header('Cache-Control: No-cache');

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'CSV');

//set CSV file to UTF-8
$objWriter->setUseBOM(true);

$ua = $_SERVER['HTTP_USER_AGENT'];
if(preg_match('/MSIE/',$ua)) {
$outputFileName = str_replace('+','%20',urlencode($outputFileName));