python3 连接mysql数据库

import
  
host=
   '10.2.3.5', 
   port=
   3306, 
   user=
   'root', 
   passwd=
   '',
   db=
   'mydata',
   charset=
   'utf8')
  
  

   cur = conn.cursor()
  
  
"SELECT * FROM bankbase")
  
  
for r 
   in
  
print(r)
  
  

   cur.close()
  
  

   conn.close()