python数据库操作

#!/usr/src/python
# -*- coding:utf-8 -*-

import pymysql
import socket,struct
def sql_exe(v_sql):
    conn = pymysql.Connect(host='192.168.110.133',port=3306,user="admin",password="mysql123",database="hostmgr",charset='utf8')
    cursor = conn.cursor()
    v = cursor.execute(v_sql)
    result = cursor.fetchall()
    # result = cursor.fetchone()
    # result = cursor.fetchmany(2)
    print(result)

    cursor.close()
    conn.close()

# 用户信息
def user_info():
    # user_name=input('请输入用户名：').strip()
    # pwd=input('请输入用密码：').strip()
    v_sql='select mu.username,mu.email,md.deptname from mgr_empuser mu,mgr_department md where mu.deptid=mu.deptid'
    return v_sql

# 显示当前用户管理的所有主机
def user_mgr_host_info(v_usrname):
    v_sql='select host_id,socket.inet_ntoa(struct.pack("I",socket.htonl(host_ip))) from mgr_host where username="%s"'%(v_usrname)
    return v_sql


if __name__ == '__main__':
    sql1=user_info()
    sql_exe(sql1)

    sql2 = user_mgr_host_info('root')
    print(sql2)
    sql_exe(sql2)