# -*- coding: utf-8 -*-
"""
Created on Fri Nov 1 09:53:30 2019
@author: lanxuxml

應用場景：

 包含多個sheet的Excel 需要按列篩選出來另存為其它文件

"""
import pandas as pd
split_excel_name_head = 'name_head_'
split_excel_name_tail = '_name_tail.xlsx'
xlsx_name = 'x:\xxxx\xxxxxxxx.xls'
#用來篩選的列名
filter_column_name = 'column_name'
#將該列去重后保存為list
df = pd.read_excel(xlsx_name)
city_names = df[filter_column_name].unique().tolist()
#獲取所有sheet名
df = pd.ExcelFile(xlsx_name)
sheet_names = df.sheet_names
#不需要篩選的sheet名
sheet_not_filter_names = sheet_names[9:2]
for city_name in city_names:
  city_excel_name = split_excel_name_head + str(city_name) + split_excel_name_tail
  writer = pd.ExcelWriter(city_excel_name)
  #將city_name轉為list
  #如果是兩列篩選，在此處多套上一層循環(huán)
  #如果是多列篩選，請修改代碼使用多維list進行循環(huán)遍歷
  city_name_to_list = []
  city_name_to_list.append(city_name)
  for sheet_name in sheet_names:
    tmp_df = pd.read_excel(xlsx_name, sheet_name=sheet_name)
    if sheet_name not in sheet_not_filter_names:
      #如果是兩列篩選，在此處添加一行代碼
     tmp_sheet = tmp_df[tmp_df[filter_column_name].isin(city_name_to_list)]
    else:
     tmp_sheet = tmp_df
    tmp_sheet.to_excel(excel_writer=writer, sheet_name=sheet_name, encoding="utf-8", index=False)
  writer.save()
  writer.close()