Merge all excels in the specified folder

Use pandas to merge all the excel files in a folder. If you need to filter, you can filter the obtained file names to complete.

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2020/3/21 16:59
# @Author  : ystraw
# @Site    : 
# @File    : 合并excel.py
# @Software: PyCharm Community Edition
# @function: 合并指定文件夹下的所有excel

import os
import pandas as pd
import datetime

def getFileName(path):
    files = os.listdir(path)
    # print(files)
    filenames = []
    for file in files:
        filenames.append(file)
    # print(filenames)
    return filenames

if __name__ == '__main__':
    # 合并下面文件下所有excel文件：
    path = r'D:\小的项目\旅游分析\数据'
    # 读取该文件夹下的需要合并的文件路径
    filelist = getFileName(path)
    # 设置合并后文件的名字
    file_time = datetime.datetime.now()
    file_time = str(file_time).replace(' ', '_').replace(':','_').replace('-','_')[:-7]
    savename = file_time + '_合并文件.xlsx'
    # 存储合并的df
    savedata = []
    # 依次读取待合并数据：
    for file in filelist:
        # 读写文件
        filepath = path + "\\" + file
        print('需要合并的文件：', filepath)
        df = pd.read_excel(filepath)
        savedata.append(df)
    # 合并文件
    newdf = pd.concat(savedata)
    # 保存文件
    newdf.to_excel('./data/' + savename, index=False)  # 保存文件，为追加模式，且不要列头
    print('合并后数据的大小：', newdf.shape)