程式碼簡單，不多贅述

import MySQLdb


class Mysqlexc():
    database_name = 'payment'
    host = '1.1.1.2'
    port = '3306'
    username = 'root'
    password = '123456'
    charset = 'utf8'

    def __init__(self):
        pass

    def connectdb(self, host='1.1.1.2', user='root', passwd='123456', db='db', charset='utf8'):
        """
        connect to userdb use spacial params
        :param host:db hostip
        :param user:db user name
        :param passwd:user password
        :param db:spacial db name
        :param charset:chart set like 'utf8'
        :return:
        """
        conn = MySQLdb.connect(host=host, user=user, passwd=passwd, db=db, charset=charset)
        cur = conn.cursor()
        return conn, cur

    def conn_close(self, conn):
        """
        Just close db connection
        :param conn: db connection
        :return:
        """
        if conn != None:
            conn.close()

    def cursor_close(self, cursor):
        if cursor != None:
            cursor.close()

    def close(self, conn, cursor):
        """
        close all of db connect and cursor
        :param conn:db connection
        :param cursor: db cursor
        :return: None
        """
        self.cursor_close(cursor)
        self.conn_close(conn)

    def exc_sql(self, sqlcmd):
        """
        :param sqlcmd: excute sql command
        :return:excute result and result tuple
        """
        conn, cursor = self.connectdb()
        result = cursor.execute(sqlcmd)
        resline = cursor.fetchall()
        print(result)
        for row in resline:
            print(row)
        return result, resline


if __name__ == '__main__':
    exs = Mysqlexc()
    con, cur = exs.connectdb()
    exs.exc_sql('SHOW TABLES')
    exs.close(cur, con)