pd.ExcelWriter(to_excel)保存結果到已存在的excel文件中

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僅存單個excel表格就用df.to_excel更簡單

pd.ExcelWriter保存結果到已存在的excel文件中，並支持多個sheet表格寫入excel。

Python對excel更多功能編程需要安裝openpyxl第三方包

Python代碼如下

# -*- coding: utf-8 -*-
"""
Created on Sat Nov 30 13:24:28 2019

@author: [e-mail]
"""
import numpy as np
import pandas as pd

df1 = pd.DataFrame({"name": ['Alfred', 'Batman', 'Catwoman'],
                   "toy": [np.nan, 'Batmobile', 'Bullwhip'],
                 "born": [pd.NaT, pd.Timestamp("1940-04-25"),
                           pd.NaT]})

df2 = pd.DataFrame({"name": ['Alfred', 'Jim', 'Catwoman'],
                   "toy": [np.nan, 'Batmobile', 'Bullwhip'],
                 "born": ['Greens',pd.Timestamp("1940-04-25"),
                           pd.NaT]})

with pd.ExcelWriter('result.xls') as writer:
    df1.to_excel(writer, sheet_name='sheet1')
    df2.to_excel(writer, sheet_name='sheet2')
    
    
#僅存單個excel表格就用to_excel更簡單
df1.to_excel("result.xlsx")

　　

 

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