获取HTML源代码

1. import requests
   def getHTMLText(url):
       try:
   	headers = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"}
           r = requests.get(url,headers = headers)		
           r.encoding = r.apparent_encoding
           return r.text
       except:
       	print("URL错误：",url)