今天小編就爲大家分享一篇python pands實現execl轉csv 並修改csv指定列的方法,具有很好的參考價值,希望對大家有所幫助。一起跟隨小編過來看看吧
如下所示:
# -*- coding: utf-8 -*- import os import pandas as pd import numpy as np #from os import sys def appendStr(strs): return "BOQ" + strs def addBOQ(dirs, csv_file): data = pd.read_csv(os.path.join(dirs, csv_file), encoding="gbk") data = data[data[u"BOQ條碼"] != 'None'] data[u"BOQ條碼"] = data[u"BOQ條碼"].astype(np.str) data[u"BOQ條碼"] = data[u"BOQ條碼"].apply(appendStr, 1) data.to_csv(os.path.join(dirs, csv_file), index=False, encoding="gbk") def execl2csvbypandas(dirs, excel_file, addStr): newdir = os.path.join(dirs, "csvdir") if not os.path.isdir(newdir): os.makedirs(newdir) filename = os.path.splitext(excel_file) data_xls = pd.read_excel(os.path.join(dirs, excel_file), 'Sheet1', index_col=0) csvname = os.path.join(newdir, filename[0].join(['sheet1', '.csv'])) data_xls.to_csv(csvname, encoding='gbk') if True == addStr: addBOQ(newdir, csvname) def procExeclFiles(arg, dirs, files): print arg for f in files: file_path = os.path.join(dirs, f) if os.path.isfile(file_path): print f execl2csvbypandas(dirs, f, arg) print "end...." if __name__ == "__main__": #遍歷目錄,並把改目錄下的execl轉爲csv,然後存入該目錄下csvdir目錄下,傳參數True時,是給csv中BOQ條碼列添加BOQ字符串,一般爲False os.path.walk(r"C:\Users\Desktop\test", procExeclFiles, (True))
以上這篇python pands實現execl轉csv 並修改csv指定列的方法就是小編分享給大家的全部內容了,希望能給大家一個參考,也希望大家多多支持神馬文庫。