【Pandas xlsx文件转换为csv文件】

xlsx文件转csv文件注意事项：python默认输出编码为‘utf-8’，excel默认读取文件编码为'gbk',写入csv时，需要指定编码方式：encoding='gbk'。

import pandas as pd
import os
import time

def save_as_csv():
    time_start=time.time()
    data_path=str(input('请输入要转换的文件路径->|'))
    print('='*90)
    for dirpath,dirname,filenames in os.walk(data_path):
        for fname in filenames:
            file_path=os.path.join(dirpath,fname)
            if fname.endswith('.xlsx'):
                floder_name,ex=os.path.splitext(file_path)
                new_file_path=floder_name+'.csv'
                df=pd.read_excel(file_path)
                try:
                    df.to_csv(new_file_path,sep=',',encoding='gbk')
                    os.remove(file_path)
                except:
                    df.to_csv(new_file_path,sep=',',encoding='utf-8')
                    os.remove(file_path)
            else:
                print(f'非xlsx文件->|{file_path}')
    time_end=time.time()
    time_sum=round((time_end-time_start),2)
    print(f'文件转换完成，程序运行->| {time_sum}s')
    print('='*90)
save_as_csv()