selenium 账号密码登录一个网站 需要加上等待元素出现的条件EC 很重要

# 导入包


from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from time import sleep
# 登录商城
class login_shop():
    def __init__(self,driver):
        self.driver=driver
        self.input_name=(By.ID,"username")
        self.input_psw=(By.ID,"password")
        self.login_button=(By.ID,"btnLogin")


    def login(self,name,psw):
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.input_name)).send_keys(name)
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.input_psw)).send_keys(psw)
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.login_button)).click()
        # self.driver.find_element(self.input_name).send_keys(name)
        # self.driver.find_element(self.input_psw).send_keys(psw)
        # self.driver.find_element(self.login_button).click()
    # 退出
    def quit(self):
        self.quit()
# 实例化调用登录商城类
if __name__ == '__main__':
    # 实例化webdirver
    driver = webdriver.Chrome()
    # 打开浏览器
    driver.get("http://XXX:38090/#/login")

    # 将driver传给类,实例化一个对象l
    l=login_shop(driver)
    # l 调用方法
    l.login(name='朝天宫383',psw='123456')
    sleep(2)
    l.quit()

 xpath  使用练习

# 导入包


from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from time import sleep
# 登录商城
class login_shop():
    def __init__(self,driver):
        self.driver=driver
        self.input_name=(By.XPATH,"//*[starts-with(@id,'username')]")
        self.input_psw=(By.XPATH,"//*[@id='password']")
        self.login_button=(By.XPATH,"//button[contains(@id,'btnLogin')]")


    def login(self,name,psw):
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.input_name)).send_keys(name)
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.input_psw)).send_keys(psw)
        WebDriverWait(self.driver, 10).until(EC.visibility_of_element_located(self.login_button)).click()
      

# 实例化调用登录商城类
if __name__ == '__main__':
    # 实例化webdirver
    driver = webdriver.Chrome()
    # 打开浏览器
    driver.get("http://XXXX:38090/#/login")

    # 将driver传给类,实例化一个对象l
    l=login_shop(driver)
    # l 调用方法
    l.login(name='朝天宫383',psw='123456')
    sleep(2)
    driver.quit()