You can fool around with setting the correct headers, and reading/writing the file efficiently to the response stream yourself, but it's usually much better to use this function instead.

你可以通过设置正确的header和有效率地读/写文件来反馈数据流，但是通常最好的做法是用这个函数来代替它。

youdao

You can fool around with setting the correct headers, and reading/writing the file efficiently to the response stream yourself, but it's usually much better to use this function instead.

你可以通过设置正确的header和有效率地读/写文件来反馈数据流，但是通常最好的做法是用这个函数来代替它。

youdao