Python操作数据库

    xiaoxiao2022-07-04  189

    结合上篇的 连接数据库   然后呢 就进行下面的操作 over  简单易懂就够了。

     

    import  pymysql from testpy.mysqlconnection import MysqlConnection

    #调用 class MysqlInsertDBS:

        def select():         sql = "select t.turl,n.libs,n.nname,n.nurl,n.img from temp t left join node n on n.tempid =t.id"         db = MysqlConnection.connsql()         cursor=db.cursor()         cursor.execute(sql)         data=cursor.fetchall()         for redu in data:             return redu     def insert(videoName, videoUrl, videoImg):         db = MysqlConnection.connsql()         cursor = db.cursor()         sqli = "insert into spider(videoName,videoUrl,videoImg) values('%s','%s','%s')"%(videoName,videoUrl,videoImg)         cursor.execute(sqli)         db.commit()         db.rollback()  # 发生错误时回滚         cursor.close()     if __name__=="__main__":         select()

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