Python实现连接mysql

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# -*- coding:utf-8 -*-
__author__ = 'yangxin'
import pymysql


class MysqlClient(object):

    def __init__(self, host, port, user, passwd, db):
        self.coon = pymysql.connect(host=host, port=port, user=user, passwd=passwd, db=db, charset='utf8')

    def query_sql(self, sql):
        cur = self.coon.cursor()  # 建立游标
        cur.execute(sql)  # 查询数据
        res = cur.fetchall()  # 获取结果
        cur.close()  # 关闭游标
        return res

    def close(self):
        self.coon.close()