from django.db.models import Q

contact_item = Contact.objects.filter( Q(contact1_en=username) |Q(contact2_en=username))

  上述代码Q:模糊查询

                      | : or

    类似于下面的SQL语句(username为变量,应该为对应的字符串"****%")

select * from contact where contact1_en like username or contact2_en like username