deepfos.lib.sysutils.export_file_for_download

deepfos.lib.sysutils.export_file_for_download(file_name, file)

导出文件至下载中心

参数

• file_name (str) – 文件名

• file (Union[str, bytes, TextIOWrapper, IO[~AnyStr], memoryview]) – 文件内容

如下几种用法皆可

from deepfos.lib.sysutils import export_file_for_download

# . 直接提供文件内容字符串
export_file_for_download('t1.txt', 'ttttt')

# . 提供包含内容的文件
with open('t.txt', 'r') as fp:
    export_file_for_download('t2.txt', fp)

# . 提供包含内容的文件的bytes
with open('t.txt', 'rb') as fp:
    export_file_for_download('t3.txt', fp.read())

# . 提供buffer
import io
import pandas as pd

buffer = io.BytesIO()
# 将dataframe内容写入buffer
with pd.ExcelWriter(buffer, engine="openpyxl") as writer:
      pd.DataFrame({'a': [1, 2, 3], 'b': [4, 5, 6]}).to_excel(
        writer, index=False, encoding='utf-8'
      )

# 上传至下载中心
export_file_for_download('out.xlsx', buffer.getbuffer())