ndarray写入excel文件并将文件流返回
时间: 2023-09-12 09:13:03 浏览: 91
要将numpy的ndarray写入Excel文件并返回文件流,你可以使用pandas库。以下是一个示例代码:
```python
import pandas as pd
import io
def ndarray_to_excel(data):
# 创建一个DataFrame对象
df = pd.DataFrame(data)
# 创建一个文件流对象
excel_file = io.BytesIO()
# 将DataFrame写入Excel文件流
with pd.ExcelWriter(excel_file, engine='xlsxwriter') as writer:
df.to_excel(writer, index=False)
# 将文件流的指针移动到开头
excel_file.seek(0)
# 返回文件流
return excel_file
```
你可以将ndarray作为参数传递给`ndarray_to_excel`函数,并使用返回的文件流进行进一步处理或下载。
请注意,此示例代码假设你已经安装了pandas和xlsxwriter库。如果你还没有安装它们,可以使用以下命令进行安装:
```
pip install pandas xlsxwriter
```
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