def get_web_now_timea(time_format='YYYY-MM-DD HH:mm:ss.SSSSSS'):
        """
        獲取網路時間，返回時間格式：2019-12-13 11:39:48.398
        :param time_format:控制返回字串的格式，預設為：'YYYY-MM-DD HH:mm:ss.SSS'
        :return: 
        """
        import arrow as ar
        import requests as req
        #print('\n=========    獲取網路時間   =========')
 

 
        try:
            res = req.get('http://shop.jsanycall.cn/').headers['Date']
            # res = req.get('https://www.hao123.com/').headers['Date']
            time_diff = ar.get(res[4:-4], 'DD MMM YYYY HH:mm:ss') - ar.now().floor('second')
            web_now_time = (ar.now() + time_diff).format(time_format)
 
            
 
#print('web_now_time={}'.format(web_now_time))
 
            return web_now_time
        except BaseException as e:
            print('獲取網路時間出錯，出錯原因：{}'.format(e))
            return -1

2022-03-20 09:29:46.379016
>>

def get_web_now_timea(time_format='YYYY-MM-DD HH:mm:ss.SSS'):
        """
        獲取網路時間，返回時間格式：2019-12-13 11:39:48.398
        :param time_format:控制返回字串的格式，預設為：'YYYY-MM-DD HH:mm:ss.SSS'
        :return: 
        
 
"""
        import arrow as ar
        import requests as req
        #print('\n=========    獲取網路時間   =========')
 
        try:
            res = req.get('http://shop.jsanycall.cn/').headers['Date']
            # res = req.get('https://www.hao123.com/').headers['Date']
            time_diff = ar.get(res[4:-4], 'DD MMM YYYY HH:mm:ss') - ar.now().floor('second')
            web_now_time = (ar.now() + time_diff).format(time_format)
 
            #print('web_now_time={}'.format(web_now_time))
 
            return web_now_time
        except BaseException as e:
            print('獲取網路時間出錯，出錯原因：{}'.format(e))
            return -1

2022-03-20 09:30:54.349

>>>

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