python爬取12306列车信息

需要模块：requests,json,sys

环境：Python 3.5

#!/usr/bin/env python
#coding=utf8
#12306查票爬虫
import requests,json,sys
#获取地址代码
#https://kyfw.12306.cn/otn/resources/js/framework/favorite_name.js

url = 'https://kyfw.12306.cn/otn/resources/js/framework/station_name.js?station_version=1.9025'
url_tmp = str(requests.get(url, verify=False).content, encoding='utf-8').replace("var station_names ='@", '').replace(
    "';", '')
url_tmp = list(url_tmp.split('@'))
def dizhi_code(dizhi):
    '''
    通过站点名字获取code
    '''
    for i in url_tmp:
        if dizhi == i.split('|')[1]:
            return i.split('|')[2]
def code_dizhi(code):
    '''
    通过code获取站点名字
    '''
#    print (url_tmp)
    for i in url_tmp:
        if code == i.split('|')[2]:
            return i.split('|')[1]

def get_lieche(start_che,end_che,date):

    start_che=dizhi_code(start_che)
    end_che=dizhi_code(end_che)
 #   print (start_che,end_che)
    try:
       url='https://kyfw.12306.cn/otn/leftTicket/query?leftTicketDTO.train_date=%s&leftTicketDTO.from_station=%s&leftTicketDTO.to_station=%s&purpose_codes=ADULT' %(date,start_che,end_che)
#       print (url)
       data = json.loads(requests.get(url, verify=False).content)
    except Exception as e:
        print("获取数据失败，可能网络错误或者请求太频繁",e)
        sys.exit(2)

    chuli_data=[]
    for i in data['data']['result']:
        list_che=list(i.strip('|').split('|'))
        if list_che[0]=="23:00-06:00系统维护时间" or list_che[0]=="预订" :
                              #时间         列车班号    始发站                  终点站                  始发时间     终点时间    一共时间    商务座      一等座        二等座       软卧          硬卧
            chuli_data.append((che_time,list_che[2],code_dizhi(list_che[3]),code_dizhi(list_che[4]),list_che[7],list_che[8],list_che[9],list_che[-4],list_che[-5],list_che[-6],list_che[-13],list_che[-8],list_che[-7]))
        else:
            chuli_data.append((che_time, list_che[3], code_dizhi(list_che[4]), code_dizhi(list_che[5]), list_che[8],
                               list_che[9], list_che[10], list_che[-4], list_che[-5], list_che[-6], list_che[-13],list_che[-8],list_che[-7]))
#        print (list_che)
 #   print (chuli_data)
    print("时间   \t\t始发站\t终点站\t始发时间\t终点时间\t一共时间\t商务座\t一等座\t二等座\t软卧\t硬卧\t硬座\t列车班号")
    for i in chuli_data:
#        print (i)
        print("%s\t%s\t%s\t%s\t\t%s\t\t%s\t\t%s\t\t%s\t\t%s\t\t%s\t\t%s\t\t%s\t\t%s" %(i[0],i[2],i[3],i[4],i[5],i[6],i[7],i[8],i[9],i[10],i[11],i[12],i[1]))
if __name__ == '__main__':
    #get_lieche("重庆","北京",'2017-09-06')
    start_zhan=input("请输入起始站：")
    end_zhan = input("请输入终点站：")
    che_time = input("请输入时间范例2017-09-03：")
    if start_zhan=="" or end_zhan=="" or che_time=="":
        print("站点名错误")
        sys.exit(1)
 #   elif che_time=="":
#        che_time=datetime.date()

    get_lieche(start_zhan, end_zhan, che_time)

效果图：说明有报红是因为12306证书问题