tornado学习之常用

Posted on | Edited on

tornado 笔记。

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def get(self):
    file_name = 'file.ext'
    buf_size = 4096
    self.set_header('Content-Type', 'application/octet-stream')
    self.set_header('Content-Disposition', 'attachment; filename=' + file_name)
    with open(file_name, 'r') as f:
        while True:
            data = f.read(buf_size)
            if not data:
                break
            self.write(data)
    self.finish()