spprec.py

#coding=utf-8
import json
import requests
import re

class spprec(object):
	def __init__(self, url):
		self.session = requests.session()
		self.session.headers.update({
			'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36'
		})
		self.url = url

		self.post_data = {}

	def getInfo(self, num):
		if len(self.post_data) == 0:
			res = self.session.get(self.url)
		else:
			self.post_data['__EVENTARGUMENT'] = num
			self.post_data["__EVENTTARGET"] = "MoreInfoList1$Pager"
			res = self.session.post(url=self.url, data=self.post_data)

		result = re.findall('<input type="hidden" name="([^"]+)" id="([^"]+)" value="([^"]+)" />', res.text, re.S)
		post_data = {}
		for item in result:
			post_data.update({item[0]: item[2]})
		self.post_data = post_data

		result = re.findall('<a href="(/sczw/InfoDetail/Default.aspx[^"]+)" target="_blank" title="([^"]+)"', res.text, re.S)
		return result

obj = spprec("http://www.spprec.com/sczw/jyfwpt/005001/005001001/MoreInfo.aspx?CategoryNum=005001001")
for i in xrange(1, 5):
	data = obj.getInfo(i)
	for item in data:
		print item[1]