Views的补充
views的补充 请求头一般与请求内容用/r/n/r/n隔开 请求头包含的内容 request.Meta(...) 一般在下面几种方法里面取不到的东西需要去原生的头里面去取,比如用户的终端类型 request.method request.path_info request.COOKIES request.body request.POST request.FILES request.GET request.xxxx.getlist return HttpResponse(a)可以返回字符串,也可以返回字节 return render return redirect 设置cookies、设置响应头 response = HttpResponse(a) response['name']='zq' response.set_cookie() return response Response Headers【 HTTP/1.0 200 OK Date: Sun, 06 May 2018 03:17:32 GMT Server: WSGIServer/0.1 Python/2.7.10 X-Frame-Options: SAMEORIGIN Content-Type: text/html; charset=utf-8 name: zq Content-Length: 505】 Model操作(也可以使用原生的sql语句) 表内容操作 models.tb.objects.create() models.tb.objects.create(**{字典}) obj = models.tb() obj.save() models.tb.objects.all()[1:10] models.tb.objects.all() models.tb.objects.update() models.tb.objects.filter(id__in = [1,2,3]) models.tb.objects.filter(单下划线id) models.tb.objects.filter(...).delete models.tb.objects.values models.tb.objects.values_list models.tb.objects.get models.tb.objects.filter().update models.tb.objects.filter().first() models.tb.objects.filter(字典) models.tb.objects.filter(...).count() models.tb.objects.filter(双下划线跨表) models.tb.objects.filter(id__gt = 1) models.tb.objects.filter(id__range = [1,5]) models.tb.objects.filter(id__lt = 5) models.tb.objects.filter(id__lte = 5) models.tb.objects.filter(id__gte = 5,name='root') models.tb.objects.exclude(id__gte = 5)#不等于 多对多: obj.set obj.add(1,2,3) obj.add([1,2,3]) obj.remove([1,2,3]) obj.clear([1,2,3]) obj.all() models.tb.objects.all().order_by('') models.tb.objects.distinct() class A: name b__set 反向查找B表的数据 class B caption fk = ForignKey(A)views的补充 请求头一般与请求内容用/r/n/r/n隔开 请求头包含的内容 request.Meta(...) 一般在下面几种方法里面取不到的东西需要去原生的头里面去取,比如用户的终端类型 request.method request.path_info request.COOKIES request.body request.POST request.FILES request.GET request.xxxx.getlist return HttpResponse(a)可以返回字符串,也可以返回字节 return render return redirect 设置cookies、设置响应头 response = HttpResponse(a) response['name']='zq' response.set_cookie() return response Response Headers【 HTTP/1.0 200 OK Date: Sun, 06 May 2018 03:17:32 GMT Server: WSGIServer/0.1 Python/2.7.10 X-Frame-Options: SAMEORIGIN Content-Type: text/html; charset=utf-8 name: zq Content-Length: 505】 Model操作(也可以使用原生的sql语句) 表内容操作 models.tb.objects.create() models.tb.objects.create(**{字典}) obj = models.tb() obj.save() models.tb.objects.all()[1:10] models.tb.objects.all() models.tb.objects.update() models.tb.objects.filter(id__in = [1,2,3]) models.tb.objects.filter(单下划线id) models.tb.objects.filter(...).delete models.tb.objects.values models.tb.objects.values_list models.tb.objects.get models.tb.objects.filter().update models.tb.objects.filter().first() models.tb.objects.filter(字典) models.tb.objects.filter(...).count() models.tb.objects.filter(双下划线跨表) models.tb.objects.filter(id__gt = 1) models.tb.objects.filter(id__range = [1,5]) models.tb.objects.filter(id__lt = 5) models.tb.objects.filter(id__lte = 5) models.tb.objects.filter(id__gte = 5,name='root') models.tb.objects.exclude(id__gte = 5)#不等于 多对多: obj.set obj.add(1,2,3) obj.add([1,2,3]) obj.remove([1,2,3]) obj.clear([1,2,3]) obj.all() models.tb.objects.all().order_by('') models.tb.objects.distinct() class A: name b__set 反向查找B表的数据 class B caption fk = ForignKey(A)