selenium爬取淘宝商品信息存储到MongoDB

1、流程框架
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搜索关键字
分析页码并翻页
分析提取商品内容
存储至MongoDB

2、spider.py

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import re
from pyquery import PyQuery as pq
from taobaomeishi.config import *
import pymongo

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

browser=webdriver.Chrome()
# browser=webdriver.PhantomJS()    #PhantomJS
wait=WebDriverWait(browser,10)
def search():
    try:
        browser.get('https://www.taobao.com')
        input= wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, "#q"))
        )
        submit=WebDriverWait(browser,10).until(EC.element_to_be_clickable((By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button')))
        input.send_keys(KEY_WORD)
        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 TimeoutError:
        return search()

def next_page(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.presence_of_element_located((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 TimeoutError:
        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mongo成功',result)
    except Exception:
        print("存储到mongo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("出错了")
    finally:
        browser.close()
if __name__== "__main__":
    main()

 3、config、py

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

4、存储到MongoDB