selenium-元素的定位

def find_element(self, by=By.ID, value=None):
        """
        'Private' method used by the find_element_by_* methods.
        :Usage:
            Use the corresponding find_element_by_* instead of this.
        :rtype: WebElement
        """
        if self.w3c:
            if by == By.ID:
                by = By.CSS_SELECTOR
                value = '[id="%s"]' % value
            elif by == By.TAG_NAME:
                by = By.CSS_SELECTOR
            elif by == By.CLASS_NAME:
                by = By.CSS_SELECTOR
                value = ".%s" % value
            elif by == By.NAME:
                by = By.CSS_SELECTOR
                value = '[name="%s"]' % value
        return self.execute(Command.FIND_ELEMENT, {
            'using': by,
            'value': value})['value']

from selenium import webdriver
from time import sleep
drive = webdriver.Chrome()
drive.get('http://www.baidu.com')
sleep(3)
drive.find_element_by_id("kw").send_keys("selenium python")  # 通过 id 定位到搜索框，发送值 selenium python，find_element_by_id 查找元素通过 id
sleep(3)
drive.find_element_by_id("su").click()  # 通过 id 定位到搜索按钮，点击
sleep(3)
drive.quit()

from selenium import webdriver
from time import sleep
drive = webdriver.Chrome()
drive.get('http://www.baidu.com')
sleep(3)
drive.find_element_by_name("wd").send_keys("英语")  # 通过 name定位到搜索框，发送值英语，
sleep(3)
drive.find_element_by_id("su").click()  # 通过 id 定位到搜索按钮，点击
sleep(3)
drive.quit()

from selenium import webdriver
from time import sleep
drive = webdriver.Chrome()
drive.get('http://www.imooc.com')
drive.find_element_by_tag_name('input').send_keys('python')  # 定位标签名为 input 的第一个元素
drive.find_elements_by_tag_name('input')[0].send_keys('python')  # 定位标签名为 input 的元素，返回第一个
sleep(3)
drive.quit()

from selenium import webdriver
from time import sleep
drive = webdriver.Chrome()
drive.get('http://www.baidu.com')
drive.find_element_by_class_name('s_ipt').send_keys('selenium')
drive.find_element_by_id('su').click()
sleep(3)
drive.quit()

from selenium import webdriver
from time import sleep
driver = webdriver.Chrome()
driver.get('http://www.imooc.com')
driver.maximize_window()
driver.find_element_by_link_text('免费课程').click()
sleep(3)
driver.find_element_by_partial_link_text('后端').click()  # 通过部分文字定位
driver.quit()

from selenium import webdriver
from time import sleep
driver = webdriver.Chrome()
driver.get("http://www.baidu.com")
driver.find_element_by_css_selector("#kw").send_keys('python')  # 通过 id=kw 定位到
driver.find_element_by_css_selector('.s_ipt').send_keys('selenium')  # 通过 class =s_ipt 定位
driver.find_element_by_css_selector("[autocomplete='off']").send_keys('python')  # 通过属性 autocomplete=off 定位
driver.find_element_by_css_selector('#su').click()
sleep(2)
driver.quit()

from selenium import webdriver
from time import sleep
driver = webdriver.Chrome()
driver.get("http://www.baidu.com")
driver.find_element_by_css_selector("[autocomplete='off']").send_keys('python')  # 通过属性 autocomplete=off 定位
driver.find_element_by_css_selector('form#form>span>input').send_keys('6666')
# 通过层级定位到输入框，先定位到id=form 的上级标签 form 上，在定位到下级 span 上，最后定位到第一个 input 标签
driver.find_element_by_css_selector('#su').click()
sleep(2)
driver.quit()

driver.find_element_by_css_selector("html>body>div>input[value='查询']")

driver.find_element_by_css_selector("input[value='查询']")

driver.find_element_by_css_selector(".spread")

driver.find_element_by_css_selector("#div1nput")

driver.find_element_by_css_selector('img[alt="div1-img1"][href="http://www.sogou.com"]')

driver.find_element_by_css_selector('a[href^="http://www.so"]')

driver.find_element_by_css_selector('div#div1>input#div1input')

driver.find_element_by_css_selector('input:not([id])')