第一段是读文件，下载。
第二段是字符串下载。
代码如下:
PHP
$fileName = "prefs.csv";
header('Content-Type: application/octet-stream');
header('Content-disposition: attachment; filename=' . $fileName);
header('Content-transfer-encoding: binary');
header('Content-Length: ' . filesize($fileName));
readfile($fileName);
$fileName = "prefs.csv";
header('Content-Type: application/octet-stream');
header('Content-disposition: attachment; filename=' . $fileName);
header('Content-transfer-encoding: binary');
header('Content-Length: ' . filesize($fileName));
readfile($fileName);
代码如下:
PHP
$fileName = "pref_" . date("YmdHis") . ".csv";
header('Content-Type: application/octet-stream');
header('Content-disposition: attachment; filename=' . $fileName);
echo $csv;
$fileName = "pref_" . date("YmdHis") . ".csv";
header('Content-Type: application/octet-stream');
header('Content-disposition: attachment; filename=' . $fileName);
echo $csv;
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