html操作

import asyncio
from pyppeteer import launch
import pandas as pd
import openpyxl

width, height = 1366, 768  # 固定好页面大小

#时间,取昨天
import datetime

today = datetime.date.today()   #今天日期
yes=today - datetime.timedelta(days=1)
yes=yes.strftime('%Y/%m/%d')
yesterday = str(today - datetime.timedelta(days=1))  #今天日期减掉一天
strday='&sdate='+yesterday+'&edate='+yesterday    #始终时间


def parse_page(html):
    # pandas库中函数read_html（）可提取网页表格
    tb1 = pd.read_html(html)[-1]
    tb2=  pd.read_html(html)[-2]
    tb=pd.concat([tb2,tb1],axis=1)
    return tb

async def main():
    # 打开登录页面
    browser = await launch(headless=False, args=[f'--window-size={width},{height}', '--disable-infobars'])
    page = await browser.newPage()
    await page.setViewport({'width': width, 'height': height})
    await page.goto('http://172.30.1.216/report/user!login.action')
    await asyncio.sleep(2)
    await page.evaluate(
        '''() =>{ Object.defineProperties(navigator,{ webdriver:{ get: () => false } }) }''')

    # 填写登录信息
    await page.type('[]', "");
    await asyncio.sleep(2)
    await page.type('#pwd', '');
    await asyncio.sleep(2)
    # 点击登录
    await page.click('[]')
    await asyncio.sleep(4)

    #
    await page.goto(')
    await asyncio.sleep(3)
    dasou_text=await page.content()
    dasou=parse_page(dasou_text)
    dasou1=dasou.iloc[0:-8]
    dasou1.insert(loc=0, column=0, value=yes, allow_duplicates=True)

    #
    await page.goto()
    await asyncio.sleep(3)
    xxl_text = await page.content()
    xxl = parse_page(xxl_text)
    xxl1 = xxl.iloc[0:-8]
    xxl1.insert(loc=0, column=0, value=yes, allow_duplicates=True)

    # 
    await page.goto()
    await asyncio.sleep(3)
    dasou12=await page.content()
    dasou12=parse_page(dasou12)
    dasou12=dasou12.iloc[0:-4]
    dasou12=dasou12.dropna(axis=0,how="all")
    dasou12.insert(loc=0, column=0, value=yes, allow_duplicates=True)

    ss_xxl=pd.concat([dasou1,xxl1],axis=0)


    writer=pd.ExcelWriter('C:\Desktop\'+yesterday+'.xlsx')
    # # 合并
    ss_xxl.to_excel(writer,sheet_name='')
    dasou12.to_excel(writer,sheet_name='')
    xxl12.to_excel(writer,sheet_name='')

    writer.save()
    writer.close()


asyncio.get_event_loop().run_until_complete(main())