爬取京东商城商品信息

from selenium import webdriver
from selenium.webdriver import ActionChains
from selenium.webdriver.common.by import By #按照什么方式查找，By.ID,By.CSS_SELECTOR
from selenium.webdriver.common.keys import Keys #键盘按键操作
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait #等待页面加载某些元素
import time


def get_goods(driver):
    try:
        goods=driver.find_elements_by_class_name('gl-item')

        for good in goods:
            detail_url=good.find_element_by_tag_name('a').get_attribute('href')

            p_name=good.find_element_by_css_selector('.p-name em').text.replace('
','')
            price=good.find_element_by_css_selector('.p-price i').text
            p_commit=good.find_element_by_css_selector('.p-commit a').text

            msg = '''
            商品 : %s
            链接 : %s
            价钱 ：%s
            评论 ：%s
            ''' % (p_name,detail_url,price,p_commit)

            print(msg,end='

')


        button=driver.find_element_by_partial_link_text('下一页')
        button.click()
        time.sleep(1)
        get_goods(driver)
    except Exception:
        pass

def spider(url,keyword):
    driver = webdriver.Chrome()
    driver.get(url)
    driver.implicitly_wait(3)  # 使用隐式等待
    try:
        input_tag=driver.find_element_by_id('key')
        input_tag.send_keys(keyword)
        input_tag.send_keys(Keys.ENTER)
        get_goods(driver)
    finally:
        driver.close()


if __name__ == '__main__':
    spider('https://www.jd.com/',keyword='iPhone8手机')

爬取京东商城商品信息