python按综合、销量排序抓取100页的淘宝商品列表信息

Python  /  管理员 发布于 7年前   226

进入淘宝网，分别按综合、销量排序抓取100页的所有商品的列表信息。

1、按综合

import re from selenium import webdriver from selenium.common.exceptions import TimeoutException from selenium.webdriver.common.by import By from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from pyquery import PyQuery as pq #获取整个网页的源代码  from config import * #可引用congif的所有变量 import pymongo import pymysql  # client=pymongo.MongoClient(MONGO_URL) # db = client[MONGO_DB]  # 按综合排序 100页   # 打开淘宝链接，输入‘美食'，搜索 # 自动翻页：先得到总页数，再转到 _ 页，确定 #  # browser = webdriver.PhantomJS(service_args=SERVICE_ARGS) # browser =webdriver.Chrome() browser = webdriver.Firefox() wait = WebDriverWait(browser,10)  def search():  print('正在搜索...')  try:   browser.get('https://www.taobao.com') #用这个网页'https://s.taobao.com'，无法输入keywords   input=wait.until(     EC.presence_of_element_located((By.CSS_SELECTOR,'#q')) #打开淘宝，右击查看元素，定位到搜索框，选择对应代码，复制-CSS选择器，其实就是‘#q'。   )   submit=wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button')))   input.send_keys(KEYWORD) #模拟操作，输入内容   submit.click() #点击提交   total = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.total'))) #页数   return total.text  except TimeoutException :   return search()  # 翻页 def next_page(page_number):  print('正在翻页',page_number)  try:   input = wait.until(    # 输入框    EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > input')) # 打开淘宝，右击查看元素，定位到搜索框，选择对应代码，复制-CSS选择器，其实就是‘#q'。   )   # 搜索按钮   submit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit'))) #未修改   input.clear()   input.send_keys(page_number) # 模拟操作，输入页码   submit.click()   #判断翻页是否成功，找到高亮页码数，由数子判断   wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR ,'#mainsrp-pager > div > div > div > ul > li.item.active > span'), str(page_number)))   get_products()  except TimeoutException :   next_page(page_number)  # 解析，获取每页的商品并输出 def get_products():  wait.until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item'))) #加载所有宝贝  html=browser.page_source  doc = pq(html)  items = doc('#mainsrp-itemlist .items .item').items()  for item in items:   product = {    # 'picture':item.find('.pic .img').attr('src'),#用find去获取内部元素，选择器是 pic，img，用attr获取属性    'image': item.find('.pic .img').attr('data-src'), # 用find去获取内部元素，选择器是 pic，img，用attr获取属性    'shop_id': item.find('.shop').find('a').attr('data-userid'), # 店铺 id    'data_id': item.find('.shop').find('a').attr('data-nid'), # 商品 id    'link': item.find('.pic-box-inner').find('.pic').find('a').attr['href'],    'price':item.find('.price').text()[1:-3], # 用text获取内容    'deal':item.find('.deal-cnt').text()[:-3],    'title':item.find('.title').text().replace(' ',''),    'shop':item.find('.shop').text(),    'location':item.find('.location').text()   }   # print(product)   # print(product['location'])   save_to_mysql(product) ''''' def main():  try:   # search()   total=search() # 此时 total = ‘共 100 页，'   total=int(re.compile('(\d+)').search(total).group(1)) # 用正则表达式提取数字100   # print(total)   for i in range(2,total+1):    next_page(i)  except Exception:   print('出错啦')  finally: # 不管有没有异常，都要执行此操作   browser.close() # 关浏览器 '''  def main():  total=search()  total=int(re.compile('(\d+)').search(total).group(1))  for i in range(2,total+1):   next_page(i)#显示当前爬取网页的页数   print ('搞定%d'%i)  def save_to_mysql(product):  # print(product['location'])  #,use_unicode = False  try:   conn = pymysql.connect(host='localhost', user='root', passwd=' ', db='test1', port=3306,charset='utf8' )   cur = conn.cursor() # 创建一个游标对象   sql = """INSERT INTO women_clothes_zonghe VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s)"""   cur.execute(sql, (product['shop_id'],product['shop'], product['link'],product['data_id'], product['title'], product['price'], product['location'],product['deal'],product['image']))   # cur.execute(sql)   print('- - - - - 数据保存成功 - - - - -')   cur.close()   conn.commit()   conn.close() # 关闭数据  except pymysql.Error as e:   print(e)  if __name__=='__main__':  # 连接数据库  conn = pymysql.connect(host='localhost', user='root', passwd=' ', db='test1', port=3306,charset="utf8")  cur = conn.cursor() # 创建一个游标对象  cur.execute("DROP TABLE IF EXISTS women_clothes_zonghe") # 如果表存在则删除  # 创建表sql语句  sqlc = """CREATE TABLE women_clothes_zonghe(   shop_id VARCHAR(500),   shop VARCHAR(500),   link VARCHAR(1000),   data_id varchar(100),   title VARCHAR(1000),   price VARCHAR(500),   location VARCHAR(500),   deal VARCHAR(500),   image VARCHAR(1000)  )"""  cur.execute(sqlc) # 执行创建数据表操作  main() 

2、按销量

import re  from bs4 import BeautifulSoup from pyquery import PyQuery as pq #获取整个网页的源代码  from config import * #可引用congif的所有变量 import pymongo import pymysql  import urllib import requests import json import bs4  from selenium import webdriver from pyquery import PyQuery as pq #获取整个网页的源代码  # 完整爬取所有页面的商品信息 共100页 按销量排序   browser = webdriver.Firefox() wait = WebDriverWait(browser,10)  def get_url(keyword):  url_str = urllib.parse.quote(keyword)  i = 0  for j in range(100):   yield{    'url':('https://s.taobao.com/search?q={}&imgfile=&commend=all&ssid=s5-e&search_type=item&sourceId=tb.index&spm='    'a21bo.50862.201856-taobao-item.1&ie=utf8&initiative_id=tbindexz_20170808&sort=sale-desc&bcoffset=0&p4ppushleft=%2C44&s={}').format(url_str,i)   }   i+=44  # 可行 def get_products(url):  browser.get(url)  wait.until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item'))) #加载所有宝贝  html=browser.page_source  doc = pq(html)  # print(doc)  items = doc('#mainsrp-itemlist .items .item').items()  for item in items:   product = {    # 获取 image 时，用'src'总有部分图片获取不到，因为淘宝设有'data-src' 和'src'，不同商品这两个属性的前后顺序不一样，直接用'data-src'可避免返回 None    'image':item.find('.pic .img').attr('data-src'),#用find去获取内部元素，选择器是 pic，img，用attr获取属性    # 'image':item.find('.pic-box-inner').find('.pic').find('img').attr['src'],    'price':item.find('.price').text()[1:-3], # 用text获取内容    'shop_id': item.find('.shop').find('a').attr('data-userid'), # 店铺 id    'data_id': item.find('.shop').find('a').attr('data-nid'), # 商品 id    'link': item.find('.pic-box-inner').find('.pic').find('a').attr['href'],    'deal':item.find('.deal-cnt').text()[:-3],    'title':item.find('.title').text(),    'shop':item.find('.shop').text(),    'location':item.find('.location').text().replace(' ','')   }   # print(product)   save_to_mysql(product)  def save_to_mysql(product):  try:   conn = pymysql.connect(host='localhost',user='root',passwd=' ',port=3306,db='test1',charset='utf8')   cur = conn.cursor()   sql = "insert into women_clothes_sales2 values (%s,%s,%s,%s,%s,%s,%s,%s,%s)"   cur.execute(sql,(product['shop_id'],product['shop'],product['link'],product['data_id'],product['title'],product['price'],product['location'],product['deal'],product['image']))   print('- - - 数据保存成功 - - - ')   cur.close()   conn.commit()   conn.close()  except pymysql.Error as e:   print(e)  def main():  keyword = '女装'  links = get_url(keyword) # 字典  # 获取每页的 url  for link in links:   # print(link)   url = link['url']   #解析页面   # soup = get_html(url)   # print(soup)   # get_detail(soup,url)   get_products(url)  if __name__=='__main__':  conn = pymysql.connect(host='localhost',user = 'root',passwd=' ',db='test1',port = 3306,charset='utf8')  cur = conn.cursor()  cur.execute('Drop table if exists women_clothes_sales2')  sqlc = "create table women_clothes_sales2(shop_id varchar(100),shop varchar(500),link varchar(1000),data_id varchar(100),title varchar(500),price varchar(200),location varchar(100),deal varchar(100),image varchar(1000))"  cur.execute(sqlc)  cur.close()  conn.commit()  conn.close()  main() 

更多内容请参考专题《python爬取功能汇总》进行学习。

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