本来想写个四川电信的自动网上选号程序的。
获取候选号码的会话需要2次请求(一个GET 一个POST),spider会自动处理Cookie来维护session
采用scrapy完成,下面是spider的部分。
from scrapy.spider import BaseSpider
from scrapy.http import Request
from scrapy.conf import settings
import re
import urllib
#from jhl_utils.util import phone_re
phone_re = re.compile("(0{0,1}(13[0-9]|15[0,1,2,3,5-9]|18[6-9])[0-9]{8})")
from dianxin.items import DianxinItem
class PhoneSpider(BaseSpider):
name = "phone"
start_urls = [
"http://sc.ct10000.com/service/transaction/xuanHao.jsp",
]
def __init__(self, name=None, **kwargs):
BaseSpider.__init__(self,name)
def parse(self, response):
for i in range(0,100):
url = '''http://sc.ct10000.com/service/transaction/list.jsp''' + "?id="+ str(i)
yield Request( url,method="POST",
body = "cityname=%B3%C9%B6%BC&citycode=0128&header=189&tailNum=" ,
headers ={'Content-Type': 'application/x-www-form-urlencoded'}
)
if( "list.jsp" in response.url):
ms = phone_re.findall(response.body)
for m in ms:
item = DianxinItem()
item["phone"] = m[0]
yield item
未完成的代码则需要分析爬取的页面,获取/service/transaction/xuanHao_banli.jsp所需要的若干字段:
citycode=0128&cityname=%B3%C9%B6%BC
&sPrecontractNum=Y0tfa8xZRc%2FsHBDinoXssZGwbOt1TZLBQaM1j3wMdFE%3D
&empoent=10001
&module=ad9c1860ba10aaf6b0e23a5e90076657f9c4a1e0eb6aea43b623d7bbfd4d1de446d29d7e5435cde7957b46c910e56c4a2f15ddf3b98caabc9267ca3cc02fc8623c63ab74df0d3ff5b07efabba69ffd92f48cf28bc980e3bff447ab5d3f8fa09eaa1ce31aeeeb31b4f46739c57009d9673a51105491a446412e7584cb9f801fab
&oldNum=nfNtghXuVnCxqJpb9TYoYg%3D%3D