Content-Disposition: attachment; filename=??????230824090031973.xls

Content-Disposition: attachment; filename=“filename.xls” 这行引用表明了在HTTP响应头中设置了Content-Disposition属性，告诉浏览器将接收到的数据当作附件下载并保存，文件名为"filename.xls"。

根据给出的引用内容，可以看出文件名是"filename.xls"。因此，Content-Disposition: attachment; filename=filename.xls 这一行是设置了一个名为"filename.xls"的附件下载。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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