python 操作mysql数据库存

# __author__ = ‘STEVEN‘
import pymysql

host = ‘10.1.1.136‘
port = 3306
name = ‘root‘
pwd = ‘root‘
db = ‘PYTHONDB‘
#获得连接
con = pymysql.connect(host=host,user=name,passwd=pwd,db=db,port=port,charset=‘utf8‘)
print(‘ok‘)
# 创建cursor
cursor = con.cursor()
#开始执行sql
sql = ‘select * from STU‘
grant = "grant all on *.*  to ‘gwb‘@‘%‘ identified by ‘gwb123‘"
stu_li = [(‘谭浩强‘,‘600‘,1),(‘麻生‘,‘400‘,2)]
#一次执行多条插入
s = ‘insert into STU(name,grade,sch_id) values(%s,%s,%s)‘
# effect_row = cursor.executemany(s,stu_li)
cursor.execute(sql)
print(cursor.fetchall())