#1.open 读文本文件，open需与close（）配对使用

#coding=utf-8# r 可省略，默认为r  source = open("D:\pythonTest\data\data01.txt","r")try:    values = source.read()    print valuesfinally:    source.close()

#一行行地读文本source = open("D:\pythonTest\data\data01.txt")lines =source.readlines()#通过遍历每行for line in lines:    print linesource.close()

#2. 打开csv文件

csv.reader（）

import csvdef loginData():    my_file = "D:\\pythonTest\\data\loginData.csv"    datas = csv.reader(file(my_file,'rb'))        return datas'''    for data in datas:        openUrl = data[0]        username = data[1]        password = data[2]    return data'''

#3.打开 csv 方法： with open('xxx.csv','rb') as f:

#读取csv文件，文档有表头with open('D:\pythonTest\data\loginData02.csv','rb') as csvfile:        reader = csv.DictReader(csvfile)        urls = []        usernames = []        passwords= []        for row in reader: 　　　　　　　　#需知道列名            if row['if_excute'] != 'if_excute':                url = row['url']                username = row['username']                password = row['password']                urls.append(url)                usernames.append(username)                passwords.append(password)        print urls        print passwords        print usernames