python作业6月17日

# # 爬取豆瓣250电影信息

# # 主页：

# # 第一页url中start依次递增25

# # 第二页

# # 第三页

# # 从1到10 225

# # ''''''

# # '''

# # 主页:

# # https://movie.douban.com/top250

# # GET

# # User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.146 Safari/537.36

# # re正则:

# # # 电影详情页url、图片链接、电影名称、电影评分、评价人数

# # <div class="item">.*?href="(.*?)">.*?src="(.*?)".*?(.*?).*?(.*?).*?(.*?)人评价

# # '''

# import requests

# import re

# url = 'https://movie.douban.com/top250'

# headers = {

# 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.146 Safari/537.36'

# }

# # 1、往豆瓣TOP250发送请求获取响应数据

# base_url='https://movie.douban.com/top250'

# response = requests.get(url, headers=headers)

# # print(response.text)

# # 2、通过正则解析提取数据

# # 电影详情页url、图片链接、电影名称、电影评分、评价人数

# movie_content_list = re.findall(

# # 正则规则

# '<div class="item">.*?href="(.*?)">.*?src="(.*?)".*?(.*?).*?(.*?).*?(.*?)人评价',

# # 解析文本

# response.text,

# # 匹配模式

# re.S)

# for movie_content in movie_content_list:

# # 解压赋值每一部电影

# detail_url, movie_jpg, name, point, num = movie_content

# data = f'电影名称:{name}, 详情页url:{detail_url}, 图片url:{movie_jpg}, 评分: {point}, 评价人数: {num} \n'

# print(data)

# # 3、保存数据，把电影信息写入文件中

# with open('douban.txt', 'a', encoding='utf-8') as f:

# f.write(data)

# # 今日内容

# 1 requests 请求之POST请求

# # selenium模块

# # 自动化设置工具

# # 自动驱动浏览器

# from selenium import webdriver

# from selenium.webdriver.support import expected_conditions as EC

# from selenium.webdriver.common.by import By

# import time

# chrome=webdriver.Chrome()

# try:

# wait=WebDriverWait(chrome,10)

# chrome.get('https://www.jd.com/')

# input_tag=wait.unitl(EC.presence_of_element_located((By.ID,"key")))

# input_tag.send_keys('唐诗三百首')

# search_button=wait.until(EC.presence_of_element_located((By.CLASS_NAME,"button")))

# search_button.click()

# time.sleep(3)

# finally:

# chrome.close()

''''''

'''

点击、清除操作

'''

# from selenium import webdriver

# from selenium.webdriver.common.keys import Keys

# import time

# driver = webdriver.Chrome(r'D:\BaiduNetdiskDownload\chromedriver_win32\chromedriver.exe')

# try:

# driver.implicitly_wait(10)

# # 1、往jd发送请求

# driver.get('https://www.jd.com/')

# # 找到输入框输入围城

# input_tag = driver.find_element_by_id('key')

# input_tag.send_keys('围城')

# # 键盘回车

# input_tag.send_keys(Keys.ENTER)

# time.sleep(2)

# # 找到输入框输入墨菲定律

# input_tag = driver.find_element_by_id('key')

# input_tag.clear()

# input_tag.send_keys('墨菲定律')

# # 找到搜索按钮点击搜索

# button = driver.find_element_by_class_name('button')

# button.click()

# time.sleep(10)

# finally:

# driver.close()

'''

获取cookies （了解）

'''

# from selenium import webdriver

# import time

# driver = webdriver.Chrome(r'D:\BaiduNetdiskDownload\chromedriver_win32\chromedriver.exe')

# try:

# driver.implicitly_wait(10)

# driver.get('https://www.zhihu.com/explore')

# print(driver.get_cookies())

# time.sleep(10)

# finally:

# driver.close()

'''

选项卡

'''

#选项卡管理：切换选项卡，有js的方式windows.open,有windows快捷键：

# ctrl+t等，最通用的就是js的方式

# import time

# from selenium import webdriver

# browser = webdriver.Chrome()

# try:

# browser.get('https://www.baidu.com')

# # execute_script: 执行javascrpit代码

# # 弹窗操作

# # browser.execute_script('alert("tank")')

# # 新建浏览器窗口

# browser.execute_script(

# '''

# window.open();

# '''

# )

# time.sleep(1)

# print(browser.window_handles) # 获取所有的选项卡

# # 切换到第二个窗口

# # 新:

# browser.switch_to.window(browser.window_handles[1])

# # 旧:

# # browser.switch_to_window(browser.window_handles[1])

# # 第二个窗口往淘宝发送请求

# browser.get('https://www.taobao.com')

# time.sleep(5)

# # 切换到第一个窗口

# browser.switch_to_window(browser.window_handles[0])

# browser.get('https://www.sina.com.cn')

# time.sleep(10)

# finally:

# browser.close()

'''

ActionChangs动作链

'''

# from selenium import webdriver

# from selenium.webdriver import ActionChains

# import time

# driver = webdriver.Chrome()

# driver.implicitly_wait(10)

# driver.get('http://www.runoob.com/try/try.php?filename=jqueryui-api-droppable')

# try:

# # driver.switch_to_frame('iframeResult')

# # 切换到id为iframeResult的窗口内

# driver.switch_to.frame('iframeResult')

# # 源位置

# draggable = driver.find_element_by_id('draggable')

# # 目标位置

# droppable = driver.find_element_by_id('droppable')

# # 调用ActionChains，必须把驱动对象传进去

# # 得到一个动作链对象，复制给一个变量

# actions = ActionChains(driver)

# # 方式一: 机器人

# # 瞬间把源图片位置秒移到目标图片位置

# # actions.drag_and_drop(draggable, droppable) # 编写一个行为

# # actions.perform() # 执行编写好的行为

# # 方式二: 模拟人的行为

# source = draggable.location['x']

# target = droppable.location['x']

# print(source, target)

# distance = target - source

# print(distance)

# # perform：每个动作都要调用perform执行

# # 点击并摁住源图片

# ActionChains(driver).click_and_hold(draggable).perform()

# s = 0

# while s < distance:

# # 执行位移操作

# ActionChains(driver).move_by_offset(xoffset=2, yoffset=0).perform()

# s += 2

# # 释放动作链

# ActionChains(driver).release().perform()

# time.sleep(10)

# finally:

# driver.close()

'''

前进、后退

'''

# from selenium import webdriver

# import time

# driver = webdriver.Chrome()

# try:

# driver.implicitly_wait(10)

# driver.get('https://www.jd.com/')

# driver.get('https://www.baidu.com/')

# driver.get('https://www.cnblogs.com/')

# time.sleep(2)

# # 回退操作

# driver.back()

# time.sleep(1)

# # 前进操作

# driver.forward()

# time.sleep(1)

# driver.back()

# time.sleep(10)

# finally:

# driver.close()

from selenium import webdriver

import time

driver = webdriver.Chrome(r'D:\BaiduNetdiskDownload\chromedriver_win32\chromedriver.exe')

# 把窗口转成全屏

driver.maximize_window()

try:

driver.get('https://dig.chouti.com/')

driver.implicitly_wait(10)

time.sleep(5)

# 1、点击登录

login_btn = driver.find_element_by_id('login_btn')

login_btn.click()

time.sleep(2)

# 2、输入用户名

phone = driver.find_element_by_class_name('login-phone')

phone.send_keys('15622792660')

# 3、输入密码

pwd = driver.find_element_by_class_name('pwd-password-input')

pwd.send_keys('kermit46709394')

# 4、确认登录

login_submit = driver.find_element_by_class_name('btn-large')

login_submit.click()

time.sleep(20)

# 捕获异常并打印

except Exception as e:

print(e)

finally:

driver.close()

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