python遍历数据

 #coding=utf-8
 import MySQLdb
 conn = MySQLdb.Connect(host = '127.0.0.1',port=3306,user='root',passwd='',db='test',charset='utf8')
 cursor = conn.cursor()
 sql = "select * from orders order by id asc"
 cursor.execute(sql)

 #获取所有数据，遍历所有的数据
 rs = cursor.fetchall()
 for row in rs:
     print "id=%d,order_id=%d,product_id=%d" % row

 cursor.close()
 conn.close()