具体代码如下：
# encoding=utf-8
__author__ = 'Jonny'
__location__ = '西安'
__date__ = '2022-05-14'
'''
需要的基本开发库文件：
requests,pymongo,pyquery,selenium
开发流程：
搜索关键字：利用selenium驱动浏览器搜索关键字，得到查询后的商品列表
分析页码并翻页：得到商品页码数，模拟翻页，得到后续页面的商品列表
分析提取商品内容：利用PyQuery分析页面源代码，解析获得商品列表信息
存储到MongDB中：将商品的信息列表存储到数据库MongoDB。
'''
import requests
from selenium import webdriver
from selenium.webdrivermon.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from seleniummon.exceptions import TimeoutException
from pyquery import PyQuery as pq
import pymongo
import re
import time
browser = webdriver.Chrome()
wait = WebDriverWait(browser,10)
client = pymongo.MongoClient('localhost',27017)
mongo = client['taobao']
def searcher():
url = 'https://www.taobao/'
browser.get(url=url)
try:
#判断页面加载是够成功，设置等待时间
#判断位置1：搜索输入框是否加载完成
input_kw = wait.until(
EC.presence_of_element_located((By.CSS_SELECTOR, '#q'))
)
#判断位置2：搜索输入框对应的搜索按键是否加载完成
submit = wait.until(EC.element_to_be_clickable(
(By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button'))
)
input_kw.send_keys('男装')
submit.click()
#等待页面加载完成，便于准确判断网页的总页数
page_counts = wait.until(
EC.presence_of_element_located(
(By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.total'))
)
parse_page()
return page_counts.text
except TimeoutException as e:
print(e.args)
return searcher()
#实现翻页
def next_page(page_number):
try:
# 判断页面加载是够成功，设置等待时间
# 判断位置1：页面跳转输入页是否加载完成
input_page = wait.until(
EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > input'))
)
# 判断位置2：确认按键是否加载完成
submit = wait.until(EC.element_to_be_clickable(
(By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit'))
)
input_page.send_keys(page_number)
submit.click()
#判断翻页是否成功
wait.until(EC.text_to_be_present_in_element(
(By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > ul > li.item.active'),str(page_number))
)
parse_page()
except TimeoutException as e:
print(e.args)
next_page(page_number)
#对页面进行数据处理
def parse_page():
# wait.until(EC.presence_of_element_located(By.CSS_SELECTOR,'#mainsrp-itemlist > div > div'))
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:
goods = {
'image':item.find('.pic .img').attr('src'),
'price':item.find('.price').text(),
'deal':item.find('.dealt').text()[:-3],
'title':item.find('.title').text(),
'shop':item.find('.shop').text(),
'location':item.find('.location').text()
}
print(goods)
data_storage(goods)
#将数据存入数据库
def data_storage(goods):
try:
if mongo['mongo_sheet'].insert(goods):
print('Successfully storage!')
except Exception as e:
print('failedly storage!',goods)
def main():
text = searcher()
print(text)
#获取总页数
pages = int(repile('(\d+)').search(text).group(0))
print(pages)
for i in range(2,pages+1):
next_page(i)
browser.close()
if __name__ == '__main__':
main()
