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我想获取本网站的日期,但我可以得到它,但它会向列中添加错误。 打印:http://prntscr.com/fsav5h向表中添加数字时出错
代码:
page = urllib2.urlopen('https://www.meetup.com/find/events/career-business/?allMeetups=false&radius=50&userFreeform=London&mcId=c1012717&change=yes')
soup = BeautifulSoup(page, 'html.parser')
events = soup.find('div', class_='unit size5of7 ')
A = []
try:
conn = psycopg2.connect("dbname='meetup' user='postgres' host='localhost' password='root'")
except:
print 'Unable to connect to the database.'
cur = conn.cursor()
for event in events.findAll('ul', class_="searchResults resetList clearfix"):
date = event.findAll('li', class_="date-indicator")
if len(date) != 0:
A.append(date[0].find(text = True))
cur.execute("""UPDATE events SET event_date = %s WHERE event_date = '' """ % tuple(A))
conn.commit()
del A[:]
它继续发生:C –
验证日期格式在Postgres的接受。尝试在Postgres中直接更新。 –
Postgres接受它。我还删除了WHERE event_date ='',因为它返回了0行受到影响。 –