python爬取京东商品信息_python爬虫：爬取京东商品信息

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初级版

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import time

from selenium import webdriver

from mon.keys import Keys

driver = webdriver.Chrome(r‘C:\Users\Auraro\Desktop/chromedriver.exe‘)

num = 1

try:

driver.implicitly_wait(10)

driver.get(‘/‘)

input_tag = driver.find_element_by_id(‘key‘)

input_tag.send_keys(‘墨菲定律‘)

input_tag.send_keys(Keys.ENTER)

time.sleep(5)

good_list = driver.find_elements_by_class_name(‘gl-item‘)

for good in good_list:

# print(good)

# 商品名称

good_name = good.find_element_by_css_selector(‘.p-name em‘).text

print(good_name)

# 商品链接

good_url = good.find_element_by_css_selector(‘.p-name a‘).get_attribute(‘href‘)

print(good_url)

# 商品价格

good_price = good.find_element_by_class_name(‘p-price‘).text

print(good_price)

# 商品评价

good_commit = good.find_element_by_class_name(‘p-commit‘).text

good_content = ‘‘‘

num={}

商品名称：{}

商品链接：{}

商品价格：{}

商品的评价条数:{}

\n

‘‘‘.format(num,good_name,good_url,good_price,good_commit)

print(good_content)

with open(‘jd.txt‘,‘a‘,encoding=‘utf-8‘) as f:

f.write(good_content)

print(‘商品信息写入成功！‘)

finally:

driver.close()

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终极版

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import time

from selenium import webdriver

from mon.keys import Keys

driver = webdriver.Chrome(r‘C:\Users\Auraro\Desktop/chromedriver.exe‘)

num = 1

try:

driver.implicitly_wait(10)

driver.get(‘/‘)

input_tag = driver.find_element_by_id(‘key‘)

input_tag.send_keys(‘墨菲定律‘)

input_tag.send_keys(Keys.ENTER)

time.sleep(5)

# 下拉滑动5000px

js_code = ‘‘‘

windows.scrollTo(0,5000)

‘‘‘

driver.execute_script(js_code)

# 等待5s待商品数据加载

time.sleep(5)

good_list = driver.find_elements_by_class_name(‘gl-item‘)

for good in good_list:

# print(good)

# 商品名称

good_name = good.find_element_by_css_selector(‘.p-name em‘).text

print(good_name)

# 商品链接

good_url = good.find_element_by_css_selector(‘.p-name a‘).get_attribute(‘href‘)

print(good_url)

# 商品价格

good_price = good.find_element_by_class_name(‘p-price‘).text

print(good_price)

# 商品评价

good_commit = good.find_element_by_class_name(‘p-commit‘).text

good_content = ‘‘‘

num={}

商品名称：{}

商品链接：{}

商品价格：{}

商品的评价条数:{}

\n

‘‘‘.format(num,good_name,good_url,good_price,good_commit)

print(good_content)

with open(‘jd.txt‘,‘a‘,encoding=‘utf-8‘) as f:

f.write(good_content)

num += 1

print(‘商品信息写入成功！‘)

next_tag = driver.find_element_by_class_name(‘pn-next‘)

next_tag.click

time.sleep(10)

finally:

driver.close()

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狂暴版

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from selenium import webdriver

from mon.keys import Keys # 键盘按键操作

import time

#

def get_good(driver):

num = 1

try:

time.sleep(5)

#下拉滑动5000px

js_code = ‘‘‘

window.scrollTo(0,5000)

‘‘‘

driver.execute_script(js_code)

time.sleep(5) # 商品信息加载，等待5s

good_list = driver.find_elements_by_class_name(‘gl-item‘)

for good in good_list:

# 商品名称

good_name = good.find_element_by_css_selector(‘.p-name em‘).text

# 商品链接

good_url = good.find_element_by_css_selector(‘.p-name a‘).get_attribute(‘href‘)

# 商品价格

good_price = good.find_element_by_class_name(‘p-price‘).text

# 商品评价

good_commit = good.find_element_by_class_name(‘p-commit‘).text

good_content = ‘‘‘

num:{}

商品名称：{}

商品链接：{}

商品价格：{}

商品评论：{}

\n

‘‘‘.format(num,good_name,good_url,good_price,good_commit)

print(good_content)

# 保存数据写入文件

with open(‘京东商品信息爬取.txt‘, ‘a‘, encoding=‘utf-8‘) as f:

f.write(good_content)

num += 1

# 找到页面下一页点击

next_tag = driver.find_element_by_class_name(‘pn-next‘)

next_tag.click()

time.sleep(5)

#递归调用函数本身

get_good(driver)

finally:

driver.close()

if __name__ == ‘__main__‘:

driver = webdriver.Chrome(r‘C:\Users\Auraro\Desktop/chromedriver.exe‘)

try:

driver.implicitly_wait(10)

driver.get(‘/‘)

input = driver.find_element_by_id(‘key‘)

input.send_keys(‘人间失格‘)

input.send_keys(Keys.ENTER)

get_good(driver)

print(‘商品信息写入完成‘)

finally:

driver.close()