使用selenium +PhantomJS()/Chrome爬取 淘宝页面,存储到mongdb中




使用config进行一些设置


MONGO_URL = 'localhost'
MONGO_DB = 'taobao'
MONGO_TABLE = 'product'

# 将图片设定为不下载
SERVICE_ARGS = ['--load-images=false', '--disk-cache=true']

# 搜索名称
KEYWORD = '情人节礼物'











在编写代码的时候要注意,可以先使用Chrome 运行,当将代码调试完毕后,在改为PhantomJS

代码如下

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
from config import *
import pymongo


client = pymongo.MongoClient(MONGO_URL)
db = client[MONGO_DB]


browser = webdriver.PhantomJS()
wait = WebDriverWait(browser, 10)


browser.set_window_size(1400, 900)


def search():
    print('正在搜索')
    try:
        browser.get('https://www.taobao.com')
        input = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, '#q'))
        )
        submit = wait.until(
            EC.element_to_be_clickable((By.CSS_SELECTOR, '#J_TSearchForm >
div.search-button > button')))
        input.send_keys(KEYWORD)
        submit.click()
        total = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager >
div > div > div > div.total')))
        get_products()
        return total.text
    except TimeoutException:
        return search()




def next_page(page_number):
    print('正在翻页', page_number)
    try:
        input = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager >
div > div > div > div.form > input'))
        )
        submit = wait.until(EC.element_to_be_clickable(
            (By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form >
span.btn.J_Submit')))
        input.clear()
        input.send_keys(page_number)
        submit.click()
        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)




def get_products():
    wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,
'#mainsrp-itemlist .items .item')))
    html = browser.page_source
    doc = pq(html)
    items = doc('#mainsrp-itemlist .items .item').items()
    for item in items:
        product = {
            'image': item.find('.pic .img').attr('src'),
            'price': item.find('.price').text(),
            'deal': item.find('.deal-cnt').text()[:-3],
            'title': item.find('.title').text(),
            'shop': item.find('.shop').text(),
            'location': item.find('.location').text()
        }
        print(product)
        save_to_mongo(product)




def save_to_mongo(result):
    try:
        if db[MONGO_TABLE].insert(result):
            print('存储到MONGODB成功', result)
    except Exception:
        print('存储到MONGODB失败', result)




def main():
    try:
        total = search()
        total = int(re.compile('(\d+)').search(total).group(1))
        for i in range(2, total + 1):
            next_page(i)
    except Exception:
        print('出错啦')
    finally:
        browser.close()


if __name__ == '__main__':
    main()

友情链接
ioDraw流程图
API参考文档
OK工具箱
云服务器优惠
阿里云优惠券
腾讯云优惠券
华为云优惠券
站点信息
问题反馈
邮箱:ixiaoyang8@qq.com
QQ群:637538335
关注微信