如何解决如何从fastapi的内存中返回xlsx文件?
我想应要求提供xlsx。通过使用BytesIO
和xlsxwriter
,我创建了一个文件。
使用下面的代码,我可以下载一个空(!).txt
文件:
@router.get("/payments/xlsx",response_description='xlsx')
async def payments():
"""sss"""
output = BytesIO()
workbook = xlsxwriter.Workbook(output)
worksheet = workbook.add_worksheet()
worksheet.write(0,'ISBN')
worksheet.write(0,1,'Name')
worksheet.write(0,2,'Takedown date')
worksheet.write(0,3,'Last updated')
workbook.close()
output.seek(0)
return StreamingResponse(output)
如果我添加headers={'Content-Type': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}
,则会在浏览器中收到此错误:
Unable to open file
You may be having a problem connecting with the server,or the file that you wanted to open was corrupted.
我该如何解决?
解决方法
您必须在响应中设置Content-Disposition
标头
@router.get("/payments/xlsx",response_description='xlsx')
async def payments():
output = BytesIO()
workbook = xlsxwriter.Workbook(output)
worksheet = workbook.add_worksheet()
worksheet.write(0,'ISBN')
worksheet.write(0,1,'Name')
worksheet.write(0,2,'Takedown date')
worksheet.write(0,3,'Last updated')
workbook.close()
output.seek(0)
headers = {
'Content-Disposition': 'attachment; filename="filename.xlsx"'
}
return StreamingResponse(output,headers=headers)
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