Python/Django(CBA/FBA/ORM操作)，,Python/Dja

Python/Django(CBA/FBA/ORM操作)

CBA:url对应的类（模式）

 1 ##====================================CBA操作============================ 2  3 # class geting(View): 4 #     def dispatch(self, request, *args, **kwargs): 5 #         print(‘before‘) 6 #         obj = super(geting,self).dispatch(request,*args,**kwargs) 7 #         print(‘after‘) 8 #         return obj 9 #10 #     def get(self,request):11 #         print(‘get.get‘)12 #         return render(request,‘geting.html‘)13 #14 #     def post(self,request):15 #         print(‘get.post‘)16 #         print(request.POST.get(‘user‘))17 #         return HttpResponse(‘get.post‘)

FBA:url对应的函数（模式）

 1 ##===================================FBA操作============================ 2 def get(request): 3     print(2222) 4     return HttpResponse(‘is get‘) 5  6 ‘‘‘ 7 get     查 8 post   创建 9 put    更新10 delete 删除11 12 常用传值方式13 ‘‘‘

ORM操作

 1 ##=====================================ORM操作========================================= 2 def gets(request): 3     pass 4     # for row in range(300): 5     #     name=‘root‘+str(row) 6     #     models.UserInfo.objects.create(name=name,age=18,ut_id=1) 7     # models.UserInfo.objects.create(name="方少伟",age=18,ut_id=1), 8     # models.UserInfo.objects.create(name="刘庚",age=18,ut_id=2), 9     # models.UserInfo.objects.create(name="尤勤兵",age=18,ut_id=3),10     # models.UserInfo.objects.create(name="王哲",age=18,ut_id=1),11     # models.UserInfo.objects.create(name="陈涛",age=18,ut_id=2),12     # models.UserInfo.objects.create(name="小白",age=18,ut_id=3),13 14     # models.UserType.objects.create(title="普通用户")15     # models.UserType.objects.create(title="二逼用户")16     # models.UserType.objects.create(title="牛逼用户")17     # return HttpResponse(‘ok‘)18 19     ##========================================正向查找===============================================20     # result = models.UserInfo.objects.all()21     # for obj in result:22     #     print(obj.name,obj.age,obj.ut_id,obj.ut.title)23         ##打印obj对象的名字，对象的年龄，对象的外键，ut设置外键的列就是相当于ut表对应的主键（现在拿到就是ut那个表可以拿ut对应的一行所有内容）24     # result = models.UserInfo.objects.all().first()25     # ##获取表中所有的行但只是拿第一个对象，也就是第一行26     # print(result.name,result.age,result.ut)27 28     ##========================================反向查找===============================================29     # obj = models.UserType.objects.all().last()30     # print(‘用户类型‘,obj)31     # for row in obj.userinfo_set.all():32     #     print(row.name,row.age)33 34 35 36     ##========================================对象查看及连表===============================================37     # models.UserInfo.objects.all()38     #查看UserIinfo表的所有行39     # models.UserInfo.objects.filter(id=2)40     ##查看UserInfo表id等于2的哪一行内容41     # result = models.UserInfo.objects.all()42     ##通过此方式返回一个列表中存放的是对象（object）43     # for row in result:44     #     print(row.name,row.id,row.age,row.ut.title)45         ##以是对象的方式进行连表46 47     ##========================================字典查看及连表===============================================48     # models.UserInfo.objects.all()49     ## 查看表的所有行50     # models.UserInfo.objects.filter(id=1)51     ##查看表的id是1的行52     # result=models.UserInfo.objects.all().values(‘id‘,‘name‘,‘ut__title‘)53     ##通过此方式连表返回个列表，列表中存放的是字典对象（dict）54     # for row in result:55     #     print(row)56 57     ##========================================元组查看及连表===============================================58     # models.UserInfo.objects.all()59     ## 查看表的所有行60     # models.UserInfo.objects.filter(id=2)61     ##查看表的id是2的行62     # result=models.UserInfo.objects.all().values_list(‘id‘,‘name‘,‘ut__title‘)63     ##通过此方式连表返回个列表，列表中存放的是元组对象（tuple）64     # for row in result:65     #     print(row)

Python/Django(CBA/FBA/ORM操作)