selenium_趙夢冰_2021/2/25

DEMO01.PY
from selenium import webdriver
from time import sleep
try:
        driver = webdriver.Chrome()
        driver.get('https://www.baidu.com/')
        #窗口最大化
        driver.maximize_window()
        #窗口最小化
        driver.minimize_window()
        #獲取窗口尺寸
        size = driver.get_window_size()
        print('窗口尺寸=%s'%size)
        driver.find_element_by_id('kw').send_keys('貨拉拉')
        sleep(2)
        #清除文本框內(nèi)容
        driver.find_element_by_id('kw').clear()
        driver.find_element_by_id('kw').send_keys('李煥英')
        driver.find_element_by_id('su').click()
        sleep(2)
        #點(diǎn)擊百度百科-李煥英
        driver.find_element_by_xpath('/html/body/div[4]/div[2]/div/div[2]/dl[1]/dd/a[3]').click()
        sleep(2)
        #進(jìn)行窗口切換
        #獲取所有窗口的句柄
        handles = driver.window_handles
        print('handles=%s'%handles)
        #進(jìn)行窗口切換
        driver.switch_to.window(handles[1])
        sleep(1)
        #點(diǎn)擊 討論
        driver.find_element_by_xpath('/html/body/div[4]/div[2]/div/div[2]/dl[1]/dd/a[3]').click()
except Exception as e:
        print(e)
finally:
        sleep(2)
        driver.quit()
DEMO02.PY
from selenium import webdriver
from time import sleep
try:
        driver = webdriver.Chrome()
        driver.get('https://www.baidu.com/'）
        driver.find_element_by_id('kw').set_keys('李煥英')
        driver.find_element_by_id('su').click()
        sleep(2)
        #回退到上一個(gè)頁面
        driver.back()
        sleep(2)
        #前進(jìn)到下一個(gè)頁面
        driver.forward()
        sleep(2)
        #刷新頁面
        driver.refresh()
except Exception as e:
        print(e)
finally:
        sleep(2)
        driver.quit()
DEMO03.PY
from selenium import webdriver
from time import sleep
try:
        driver = webdriver.Chrome()
        driver.get('https://www.baidu.com/')
        '''獲取屬性的值'''
        #定位直播
        element = driver.find_element_by_link_text('直播')
        #獲取指定屬性的值
        value = element.get_attribute('href')
        print('value=%s'%value)
        '''獲取元素的文本'''
        text = element.text
        print('text=%s'%text)
except Exception as e:
        print(e)
finally:
        sleep(2)
        driver.quit()
DEMO04.PY
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from time import sleep
'''鼠標(biāo)和鍵盤操作'''
try:
        driver = webdriver.Chrome()
        driver.get('https://www.baidu.com/')
        '''鍵盤操作'''
        search = driver.find_element_by_id('kw')
        search.send_keys('李煥英')
        sleep(1)
        search.send_keys('Keys.ENTER')
        #Ctrl+a
        search.send_keys(Keys.CONTROL,'a')
        #Ctrl+c
        search.send_keys(Keys.CONTROL,'c')
        #Ctrl+v(3個(gè))
        search.send_keys(Keys.CONTROL,'v')
        search.send_keys(Keys.CONTROL,'v')
        search.send_keys(Keys.CONTROL,'v')
DEMO05.PY
from selenium import webdriver
from time import sleep
try:
        driver = webdriver.Chrome()
        driver.get('https://www.baidu.com/')
        #初始化（ActionChains） 操作（context_click()） 執(zhí)行（perform）
        #右擊
        element = driver.find_element_by_id('kw')
        ActionChains(driver).context_click(element).perform()
        element.send_keys('李煥英')
        #單擊（左擊）
        driver.find_element_by_id('su').click()
        btn = driver.find_element_by_id('su')
        ActionChains(driver).click(btn).perform()
        #雙擊
        ActionChains(driver).double_click(element).perform()
        #懸停
        setting = driver.find_element_by_id('s-usersetting-top')
        ActionChains(driver).move_to_element(setting).perform()
        #點(diǎn)擊高級搜素
        setting.click()
        driver.find_element_by_xpath('//*[@id="s-user-setting-menu"]/div/a[2]').click()
except Exception as e:
        print(e)
finally:
        sleep(2)
        driver.quit()
DEMO06.PY
from selenium import webdriver
from time import sleep
try:
        driver = driver.Chrome()
        driver.get('https://www.baidu.com/')
        driver.maximize_window()
        driver.find_element_by_id('kw').send_keys('李煥英')
        driver.find_element_by_id('su').click()
        sleep(2)
        #滾動(dòng)頁面到“相關(guān)搜素”
        script = 'arguments[0].scrollIntoView();'  #JavaScript代碼
        element = driver.find_element_by_xpath('//*[@id="rs"]/div/div')
        driver.execute_script(script,element)
except Exception as e:
        print(e)
finally:
        sleep(2)
        driver.quit()