# Selenium
#
# 自動(dòng)化測試工具，致辭多種瀏覽器
# 爬蟲中主要用來解決JavaScript渲染的問題
# 安裝
# pip install seleium
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# try:
#? ? browser.get('https://baidu.com')
#? ? input = browser.find_element_by_id('kw')
#? ? input.send_keys('Python')
#? ? input.send_keys(Keys.ENTER) # 回車
#? ? wati = WebDriverWait(browser, 10)
#? ? wati.until(EC.presence_of_element_located((By.ID, 'su')))
#? ? print(browser.current_url) # 當(dāng)前頁面的url
#? ? print(browser.get_cookies()) # cokies列表
#? ? print(browser.page_source) # 網(wǎng)頁源代碼
# finally:
#? ? browser.close()
# # 聲明瀏覽器對象
# # from selenium import webdriver
# # browser = webdriver.Chrome()
# # browser = webdriver.Firefox()
# # browser = webdriver.Edge()
# # browser = webdriver.PhantomJS()
# # browser = webdriver.Safari()
# # 訪問頁面
# from selenium import webdriver
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com')
# print(browser.page_source)
# browser.close()
# # 查找元素
# #
# # 單個(gè)元素
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com/')
# input_first = browser.find_element_by_id('q') # id
# input_second = browser.find_element_by_css_selector('#q') # css選擇器
# input_third = browser.find_element_by_xpath('//*[@id="q"]') # xpath
# print(input_first, input_second, input_third)
# browser.close()
# # find_element_by_name
# # find_element_by_xpath
# # find_element_by_link_text
# # find_element_by_partial_link_text
# # find_element_by_tag_name
# # find_element_by_class_name
# # find_element_by_css_selector
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com')
# input_first = browser.find_element(By.ID, 'q')
# print(input_first)
# browser.close()
# # 多個(gè)元素
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://.www.taobao.com')
# lis = browser.find_elements_by_css_selector('.service-bd li') # 返回列表
# print(lis)
# browser.close()
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com')
# lis = browser.find_elements(By.CSS_SELECTOR, '.service-bd li') # 返回列表
# print(lis)
# browser.close()
# find_elements_by_name
# find_elements_by_xpath
# find_elements_by_link_text
# find_elements_by_partial_link_text
# find_elements_by_tag_name
# find_elements_by_class_name
# find_elements_by_css_selector
# 元素交互動(dòng)作
# import time
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com')
# input = browser.find_element_by_id('q')
# input.send_keys('iPhone')
# time.sleep(1)
# input.clear()
# input.send_keys('iPad')
# button = browser.find_element_by_class_name('tb-bg')
# button.click()
# browser.close()
# 交互動(dòng)作
#
#? 將動(dòng)作附加到動(dòng)作鏈中串行執(zhí)行
# from selenium.webdriver import ActionChains
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'http://www.runoob.com/try/try.php?filename=jqueryui-api-droppable'
# browser.get(url)
# browser.switch_to.frame('iframeResult')
# source = browser.find_element_by_css_selector('#draggable')
# target = browser.find_element_by_css_selector('#droppable')
# actions = ActionChains(browser)
# actions.drag_and_drop(source, target)
# actions.perform()
# browser.close()
# 執(zhí)行JavaScript
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'https://www.zhihu.com/explore'
# browser.get(url)
# browser.execute_script('window.scrollTo(0,document.body.scrollHeight)')
# browser.execute_script('alert("To Bottom")')
# 獲取元素信息
#
# 獲取屬性
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'https://www.zhihu.com/explore'
# browser.get(url)
# logo = browser.find_element_by_id('zh-top-link-logo')
# print(logo)
# print(logo.get_attribute('class'))
# browser.close()
# 獲取文本值
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'https://www.zhihu.com/explore'
# browser.get(url)
# input = browser.find_element_by_class_name('zu-top-add-question')
# print(input.text)
# 獲取ID 位置 標(biāo)簽名 大小
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'https://www.zhihu.com/explore'
# browser.get(url)
# input = browser.find_element_by_class_name('zu-top-add-question')
# print(input.id) # id
# print(input.location) # 位置
# print(input.tag_name) # 標(biāo)簽名
# print(input.size) # 大小
# Frame
#
# from selenium.common.exceptions import NoSuchElementException
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# url = 'http://www.runoob.com/try/try.php?filename=jqueryui-api-droppable'
# browser.get(url)
# browser.switch_to.frame('iframeResult')
# source = browser.find_element_by_css_selector('#draggable')
# print(source)
# try:
#? ? logo = browser.find_element_by_class_name('logo')
# except NoSuchElementException:
#? ? print('NO LOGO')
# browser.switch_to.parent_frame()
# logo = browser.find_element_by_class_name('logo')
# print(logo)
# print(logo.text)
# 等待
#
# 隱式等待
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.implicitly_wait(10) # 隱式等待
# browser.get('https://www.zhihu.com/explore')
# input = browser.find_element_by_class_name('zu-top-add-question')
# print(input)
# 顯式等待
#
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.taobao.com/')
# wait = WebDriverWait(browser, 10)
# input = wait.until(EC.presence_of_element_located((By.ID, 'q')))
# button = wait.until(EC.element_to_be_clickable(
#? ? (By.CSS_SELECTOR, '.btn-search')))
# print(input, button)
# title_is 標(biāo)題是某內(nèi)容
# title_contains 標(biāo)題彪悍某內(nèi)容
# presence_of_element_located 元素加載出 傳入定位遠(yuǎn)足，如（By.ID,'p')
# visibility_of_elements_located 元素可見，傳入定位元組
# visibility_of 可見，傳入元素對象
# presence_of_all_elements_located 所有元素加載出
# text_to_be_present_in_element 某個(gè)元素文本包含某文字
# text_to_be_present_in_element_value 某個(gè)元素值包含某文字
# frame_to_be_available_and_switch_to_it frame加載并切換
# invisibility_of_element_located 元素不可見
# element_to_be_clickable 元素可點(diǎn)擊
# staleness_of 判斷一個(gè)元素是否仍在DOM，可判斷頁面是否已經(jīng)刷新
# selement_to_be_selected 元素可選擇，傳元素對象
# element_located_to_be_selected 元素可選擇，傳入定位元祖
# element_selection_state_to_be 傳入元素對象以及狀態(tài)，相等返回True，否則返回False
# selement_located_selection_state_to_be 傳入定位遠(yuǎn)祖以及狀態(tài)，相等返回True，否則返回False
# alert_is_present 是否出現(xiàn)alert
# 前進(jìn)后題
import time
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.baidu.com/')
# browser.get('https://taobao.com/')
# browser.get('https://wwww.python.org/')
# browser.back()
# time.sleep(1)
# browser.forward()
# browser.close()
# Cookies
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.zhihu.com/explore')
# print(browser.get_cookies())
# browser.add_cookie({'name': 'name', 'domain': 'www.zhihu.com','value':'germey'})
# print(browser.get_cookies())
# browser.delete_all_cookies()
# print(browser.get_cookies())
# 選項(xiàng)卡管理
#
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.baidu.com')
# browser.execute_script('window.open()')
# print(browser.window_handles)
# browser.switch_to_window(browser.window_handles[1])
# browser.get('https://www.taobao.com')
# time.sleep(1)
# browser.switch_to_window(browser.window_handles[0])
# browser.get('https://python.org')
# 異常處理
# browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
# browser.get('https://www.baidu.com')
# browser.find_elements_by_id('hello')
from selenium.common.exceptions import TimeoutException, NoSuchElementException
browser = webdriver.Chrome('/Users/songhuan/path/chromedriver')
try:
? ? browser.get('https://www.baidu.com')
except TimeoutException:
? ? print('Time Out')
try:
? ? browser.find_elememt_by_id('hello')
except NoSuchElementException:
? ? print('No Element')
except Exception as e:
? ? print(e)
finally:
? ? browser.close()
