基于大数据爬虫的全国空气质量指数实时数据可视化

from lxml import etree import urllib import urllib.request import xlwt import pandas as pd from pyecharts import Geo import matplotlib.pyplot as plt import matplotlib as mpl def getpage(url): req=urllib.request.Request(url) req.add_header('User-Agent') #添加自己的用户代理 data=urllib.request.