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  • pymysql的基本应用

    import pymysql

    # 增加,删,该
    # conn = pymysql.connect(host="localhost",user='root',password='',database="db666")
    # cursor = conn.cursor()
    # sql = "insert into userinfo(username,password) values('root','123123')"
    # 受影响的行数
    # r = cursor.execute(sql)
    # # ******
    # conn.commit()
    # cursor.close()
    # conn.close()

    # conn = pymysql.connect(host="localhost",user='root',password='',database="db666")
    # cursor = conn.cursor()
    # # sql = "insert into userinfo(username,password) values(%s,%s)"
    # # cursor.execute(sql,(user,pwd,))
    #
    # sql = "insert into userinfo(username,password) values(%s,%s)"
    # # 受影响的行数
    # r = cursor.executemany(sql,[('egon','sb'),('laoyao','BS')])
    # # ******
    # conn.commit()
    # cursor.close()
    # conn.close()




    # 查
    # conn = pymysql.connect(host="localhost",user='root',password='',database="db666")
    # cursor = conn.cursor(cursor=pymysql.cursors.DictCursor)
    # sql = "select * from userinfo"
    # cursor.execute(sql)

    # cursor.scroll(1,mode='relative') # 相对当前位置移动
    # cursor.scroll(2,mode='absolute') # 相对绝对位置移动
    # result = cursor.fetchone()
    # print(result)
    # result = cursor.fetchone()
    # print(result)
    # result = cursor.fetchone()
    # print(result)
    # result = cursor.fetchall()
    # print(result)


    # result = cursor.fetchmany(4)
    # print(result)
    # cursor.close()
    # conn.close()




    # 新插入数据的自增ID: cursor.lastrowid
    # import pymysql
    #
    # conn = pymysql.connect(host="localhost",user='root',password='',database="db666")
    # cursor = conn.cursor()
    # sql = "insert into userinfo(username,password) values('asdfasdf','123123')"
    # cursor.execute(sql)
    # conn.commit()
    # print(cursor.lastrowid)
    # cursor.close()
    # conn.close()
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  • 原文地址:https://www.cnblogs.com/hlan/p/6972514.html
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