import requests
def getHTMLText(url):
    try:
        r=requests.get(url,timeout=4)
        r.raise_for_status()
        r.encoding='utf-8'
        return r.text
    except:
        return""
url="http://www.baidu.com"
print(getHTMLText(url))

import requestsdef getHTMLText(url):try:r=requests.get(url)r.raise_for_status()r.encoding='utf-8'return r.textexcept Exception as err:return errurl="http://www.baidu.com"print(getHTMLText(url))

1、首先，你的方法定义时是无参的，可是使用时却要传url；

2、requests.get方法使用有点错误，去掉time参数，具体请看官方文档。

import requests

def getHTMLText(url):

try:

r=requests.get(url)

r.raise_for_status()

r.encoding='utf-8'

return r.text

except Exception as err:

return err

url="http://www.baidu.com"

print(getHTMLText(url))