nodejs運行python，node+讀寫文件_python高級：2.文件讀寫part2

import csv
import xml.etree.ElementTree as ET
import xlrdclass ReadFile:def read_txt(self,filename):with open(filename,'r',encoding='utf8') as f:result = f.read().splitlines()return  resultdef read_csv(self,filename):result = []#必須定義一個空列表來存儲每行記錄，不能直接返回content,會報錯with open(filename,'r',encoding='utf8') as f:content = csv.reader(f)for i in content:result.append(i)return result# 讀取XML節點名稱為node_name對應的所有值,以列表形式返回,xml：可擴展標記語言，通常用作配置文件# 兩種方式：DOM：文檔對象模型；元素樹：ElementTree推薦def read_xml(self, file_path, node_name):datas = []tree = ET.parse(file_path)root = tree.getroot()for i in root.iter(node_name):datas.append(i.text)return datas# 讀取excel表單# pip install xlrddef read_excel(self, file_name, index):#index用來指定讀那張表，索引從0開始excel = xlrd.open_workbook(file_name)sheet = excel.sheets()[index]return sheet