python webselenium界面自动化

```python
from selenium import webdriver
import json,time,datetime
from selenium.webdriver.support.ui import Select
import sys

direc = r'D:\'
#PDA提交盘点任务
def count_PDA(userName,password,boxCode):  #登录WEB
    try:
        #第一步：登录WES系统
        driver = webdriver.Chrome()    #打开谷歌浏览器
        driver.get("http://IP/login")
        #print(driver.title)
        time.sleep(5)
        driver.maximize_window()  #将浏览器最大化显示
        time.sleep(2)
        driver.find_element_by_name('用户名').send_keys(userName)
        time.sleep(2)
        driver.find_element_by_name('密码').send_keys(password)
        time.sleep(3)
        driver.find_element_by_xpath('/html/body/div/div/form/div[3]/button').click()   #点击【登录】按钮
        #driver.switch_to_alert().accept()    #跳过管理员登录弹框
        time.sleep(4)
        driver.get_screenshot_as_file(direc+"登录WEB成功-"+rightTime+".png")    #保留登录成功的截图
        driver.find_element_by_xpath('/html/body/div/div/main/div/div[2]/img').click()   #进入盘点界面
        time.sleep(4)
        driver.find_element_by_xpath('/html/body/div/div/main/div/div[2]/div/div/div[2]/div/input').click()   #进入盘点界面
        time.sleep(4)
        #driver.close()
        driver.find_element_by_xpath('/html/body/div/div/main/div/div[2]/div/div/div[2]/div/input').send_keys(str(boxCode)+'n')   #录入托盘码，并回车
        time.sleep(4)

        #获取计划盘点箱数
        num = driver.find_element_by_xpath('/html/body/div/div/main/div/div/div[2]/div[1]/div[3]/div[6]/span[2]').text   #获取托盘的盘点箱数

        #设置实际盘点箱数=计划盘点箱数
        for i in range(0,int(num)):
            driver.find_element_by_xpath('/html/body/div/div/main/div/div/div[2]/div[2]/div[2]/img[2]').click()
            time.sleep(2)
            rightTime = get_date_time()
            print(rightTime+"  第"+str(i+1)+'次点击按钮')

        time.sleep(4)

        #点击【确定】。提交盘点结果
        driver.find_element_by_xpath('/html/body/div/div/main/div/div/button').click()
        time.sleep(5)

    except BaseException as e:
        print("error:",e)