Selenium_python实例代码（3）

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#-*- coding:utf-8 -*-
from selenium import webdriver
import time
import os
dr=webdriver.Chrome()
file_path = 'file:///'+os.path.abspath('checkbox.html')
dr.get(file_path)
#选择所有的checkbox并勾选上
for i in range(1,4):
checkbox=dr.find_element_by_css_selector('input[id=c%d]'%i)
checkbox.click()
time.sleep(2)
#把页面上最后一个checkbox的勾去掉
dr.find_elements_by_css_selector('input[type=checkbox]').pop().click()
time.sleep(2)

dr.quit()

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For instance, conside this page source:

<html> <body>  <form id="loginForm">   <input name="username" type="text" />   <input name="password" type="password" />   <input name="continue" type="submit" value="Login" />   <input name="continue" type="button" value="Clear" />  </form></body><html>

The form elements can be located like this:

login_form = driver.find_element_by_xpath("/html/body/form[1]")login_form = driver.find_element_by_xpath("//form[1]")login_form = driver.find_element_by_xpath("//form[@id='loginForm']")

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