python selenium 爬取去哪儿网的数据

python selenium 爬取去哪儿网的数据完整代码下载：https://github.com/tanjunchen/SpiderProject/tree/master/selenium+qunaerwang#!/usr/bin/python# -*- coding: UTF-8 -*-from selenium import webdriverimport datetimefrom sel

远方的飞猪

1167人浏览 · 2020-09-20 11:05:13

远方的飞猪 · 2020-09-20 11:05:13 发布

python selenium 爬取去哪儿网的数据

#!/usr/bin/python
# -*- coding: UTF-8 -*-

from selenium import webdriver
import datetime
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import time
from bs4 import BeautifulSoup as bs
import codecs


class QunaManager(object):

    def get_hotel(self, driver, to_city, fromdate, todate):
        ele_toCity = driver.find_element_by_name('toCity')
        ele_fromDate = driver.find_element_by_id('fromDate')
        ele_toDate = driver.find_element_by_id('toDate')
        ele_search = driver.find_element_by_class_name('search-btn')
        ele_toCity.clear()
        ele_toCity.send_keys(to_city)
        ele_toCity.click()
        ele_fromDate.clear()
        ele_fromDate.send_keys(fromdate)
        ele_toDate.clear()
        ele_toDate.send_keys(todate)
        ele_search.click()
        page_num = 0
        while True:
            try:
                WebDriverWait(driver, 10).until(
                    EC.title_contains(to_city)
                )
            except Exception as e:
                print(e)
                break
            time.sleep(3)
            js = "window.scrollTo(0, document.body.scrollHeight);"
            driver.execute_script(js)
            time.sleep(5)
            html_content = driver.page_source
            soup = bs(html_content, 'lxml')
            infos = soup.find_all(class_="item_hotel_info")
            f = codecs.open(to_city + fromdate + '.html', 'a', 'utf-8')
            for info in infos:
                f.write(str(page_num) + '--' * 50)
                content = info.get_text().replace(" ", "").replace("\t", "").strip()
                for line in [ln for ln in content.splitlines() if ln.strip()]:
                    f.write(line)
                    f.write('\r\n')
            f.close()
            try:
                next_page = WebDriverWait(driver, 10).until(
                    EC.visibility_of(driver.find_element_by_css_selector(".item.next"))
                )
                next_page.click()
                page_num += 1
                time.sleep(5)
            except Exception as e:
                print(e)
                break

        driver.close()

    def crawl(self, root_url, to_city):
        today = datetime.date.today().strftime('%Y-%m-%d')
        tomorrow = datetime.date.today() + datetime.timedelta(days=1)
        tomorrow = tomorrow.strftime('%Y-%m-%d')
        driver = webdriver.Chrome()
        driver.set_page_load_timeout(10)
        driver.get(root_url)
        driver.maximize_window()
        driver.implicitly_wait(10)
        self.get_hotel(driver, to_city, today, tomorrow)


if __name__ == '__main__':
    spider = QunaManager()
    spider.crawl("http://hotel.qunar.com/", '上海')

完整代码下载：https://github.com/tanjunchen/SpiderProject/tree/master/selenium+qunaerwang