跟着悠悠学
# coding:utf-8
from selenium import webdriver
driver = webdriver.Firefox()
driver.get("https://www.baidu.com")
# <input id="kw" class="s_ipt" type="text" autocomplete="off" maxlength="100" name="wd"/>
# css 通过id属性定位
driver.find_element_by_css_selector("#kw").send_keys("python")
# css通过class属性定位
driver.find_element_by_css_selector(".s_ipt").send_keys("python")
# css 通过标签属性定位
diver.find_element_by_css_selector("input").send_keys("python")
# css by name
driver.find_element_by_css_selector("[name='wd']").send_keys("python")
# css by autocomplete
driver.find_element_by_css_selector("[autocomplete='of']").send_keys("python")
# css by type
driver.find_element_by_css_selector("[type='text']").send_keys("python")
# css通过标签与属性组合来定位元素
driver.find_element_by_css_selector("input:contains('kw')")
# css通过标签与class属性组合
driver.find_element_by_css_selector("input.s_ipt").send_keys("python")
# css通过标签与id属性的组合
driver.find_element_by_css_selector("input#kw").send_keys("python")
# css通过标签与其它属性组合
driver.find_element_by_css_selector("input[id='kw']").send_keys("python")
# css通过层级关系定位
driver.find_element_by_css_selector("form#form>span>input").send_keys("python")
# css通过层级关系定位
driver.find_element_by_css_selector("form.fm>span>input").send_keys("python")
# 通过索引option:nth-child(1)来定位元素
# 选择第1个option
driver.find_element_by_css_selector("select#nr>option:nth-child(1)").click()
# 选择第2个option
driver.find_element_by_css_selector("select#nr>option:nth-child(2)").click()
# 选择第3个option
driver.find_element_by_css_selector("select#nr>option:nth-child(3)").click()
# css:逻辑运算
driver.find_element_by_css_selector("input[id='kw'][name='wd']").send_keys("python")
