import pymysql.cursorsimport pymysqlimport pandas as pd#連接配置信息config = {   'host':'127.0.0.1',   'port':3306,#MySQL默認端口   'user':'root',#mysql默認用戶名   'password':'1234',   'db':'house',#數據庫   'charset':'utf8mb4',   'cursorclass':pymysql.cursors.DictCursor,   }# 創建連接con= pymysql.connect(**config)# 執行sql語句try: with con.cursor() as cursor:  sql="select * from community_view"  cursor.execute(sql)  result=cursor.fetchall() finally: con.close();df=pd.DataFrame(result)#轉換成DataFrame格式df.head()