Python 爬虫实例（9）—— 搜索 爬取 淘宝

# coding:utf-8

import json
import redis
import time
import requests
session = requests.session()
import logging.handlers
import pickle
import sys
import re
import datetime
from bs4 import BeautifulSoup

import sys
reload(sys)
sys.setdefaultencoding('utf8')

import datetime
# 生成一年的日期
def dateRange(start, end, step=1, format="%Y-%m-%d"):
strptime, strftime = datetime.datetime.strptime, datetime.datetime.strftime
days = (strptime(end, format) - strptime(start, format)).days
return [strftime(strptime(start, format) + datetime.timedelta(i), format) for i in xrange(0, days, step)]

def spider():
from selenium import webdriver
import os
# 引入chromedriver.exe
chromedriver = "C:\Program Files (x86)\Google\Chrome\Application\chromedriver.exe"
os.environ["webdriver.chrome.driver"] = chromedriver
browser = webdriver.Chrome(chromedriver)

# 设置浏览器需要打开的url
url = "https://www.taobao.com/"
browser.get(url)
time.sleep(1)

browser.find_element_by_id("q").send_keys(u'python')
browser.find_element_by_class_name("btn-search").click()
time.sleep(5)

for i in range(1,100):
browser.find_element_by_xpath('//a[@trace="srp_bottom_pagedown"]').click()
time.sleep(15)

result = browser.page_source

result_replace = str(result).replace('\n','').replace('\r','').replace('\t','').replace(' ','')

result_replace = re.findall('<divclass="pic-boxJ_MouseEneterLeaveJ_PicBox">(.*?)</div><divclass="ctx-boxJ_MouseEneterLeaveJ_IconMoreNew">(.*?)</div><divclass="rowrow-4g-clearfix">(.*?)</div></div></div>',result_replace)

print len(result_replace)

for item in result_replace:

item_imgurl = re.findall('data-src="(.*?)"alt=',item[0])[0]
item_name = re.findall('alt="(.*?)"/></a></div><divclass=',item[0])[0]

item_loation = re.findall('<divclass="location">(.*?)</div>',item[1])[0]

company_name = re.findall('</span></span><span>(.*?)</span></a></div><divclass="location">',item[1])[0]

company_price = re.findall('<divclass="priceg_priceg_price-highlight"><span>¥</span><strong>(.*?)</strong></div>',item[1])[0]

purchase_num = re.findall('<divclass="deal-cnt">(.*?)人付款</div>',item[1])[0]

print item_imgurl
print item_name
print item_loation
print company_name

print company_price
print purchase_num
print "="*30

# time.sleep(1000)

# 关闭浏览器
# browser.quit()

spider()