python 连接数据库

Posted 2021-12-30 xiaozeng6

import json
import operator
import pymysql
class Check():
    def coonect_db(self,database,sql,charset=‘utf8‘):
        self.conn=pymysql.connect(host="xx.xx.xx.xx",port=3306,user="xxxx",passwd="xxx",db=database,charset=‘utf8‘)
        self.cur=self.conn.cursor()
        self.cur.execute(sql)#执行sql语句
        self.conn.commit()#提交事务
        results=self.cur.fetchall()
        return results
     #判断返回结果是否包含预期结果