使用selenium和phantomjs抓取淘宝衣服并存入mongodb

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
import pymongo
SERVICE_ARGS = ['--load-images=false','--disk-cache=true']
MONGO_URL='localhost'
MONGO_DB='taobao'
MONGO_TABBLE='clothes'
client = pymongo.MongoClient(MONGO_URL)
db = client[MONGO_DB]
browser= webdriver.PhantomJS(service_args=SERVICE_ARGS)
browser.set_window_size(1400,900)
wait = WebDriverWait(browser, 10)
def save_to_mongo(result):
    try:
        db[MONGO_TABBLE].insert(result)
        print(result, "存储到mongodb成功")
    except Exception:
        print(result, "存储到mongodb不成功")

def search():
    print("正在搜索")
    try:
        browser.get('http://taobao.com')
        Input = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, '#q'))
        )
        Sumbit = wait.until(
            EC.element_to_be_clickable((By.CSS_SELECTOR, '#J_TSearchForm > div.search-button > button'))
        )
        Input.send_keys('衣服')
        Sumbit.click()
        total = wait.until(EC.presence_of_all_elements_located((By.CLASS_NAME, 'total')))[0]
        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'))
        )
        Sumbit = 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)
        Sumbit.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:
        return 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 = {
            'title': item.find('.title').text(),
            'price' : item.find('.price').text(),
            'deal' : item.find('.deal-cnt').text()[:-3],
            'shop': item.find('.shop').text(),
            'location': item.find('.location').text(),
            'image': item.find('.pic .img').attr('src'),
        }
        save_to_mongo(product)
def main():
    total = search()
    total=int(re.compile('(\d+)').search(total).group(1))
    for i in range(2,total+1):
        next_page(i)
    browser.close()
if __name__ == '__main__':
    main()

以上是源码

可供参考的网址包括

http://phantomjs.org/

http://selenium-python.readthedocs.io/index.html

https://sites.google.com/a/chromium.org/chromedriver/

接下来是结果

图片一

图片二

衣服只是其中冰山一角，可以切换不同的关键词搜索，数据爬取是第一步，怎么分析和使用更加重要。我会继续前进。