• rest_framework:响应器(渲染器)


     

    一、作用:

      根据用户的请求url或者用户可接受的类型、筛选出合适的渲染组件

      用户请求url:

        http://127.0.0.1:8000/test/?format=json

        http://127.0.0.1:8000/test.json

    二、内置渲染器

    显示json格式:JSONRenderer

    访问url:

      http://127.0.0.1:8000/test/?format=json

      http://127.0.0.1:8000/test.json

      http://127.0.0.1:8000/test/

    默认显示格式:BrowsableAPIRenderer(可以修改它默认的html文件)

    访问url:

      http://127.0.0.1:8000/test/?format=api

      http://127.0.0.1:8000/test.api

      http://127.0.0.1:8000/test/

    表格方式:AdminRenderer

    访问url:

      http://127.0.0.1:8000/test/?format=admin

      http://127.0.0.1:8000/test.admin

      http://127.0.0.1:8000/test/

    form表单方式:HTMLFormRenderer

    访问url:

      http://127.0.0.1:8000/test/?format=form

      http://127.0.0.1:8000/test.form

      http://127.0.0.1:8000/test/


    三、局部使用

    设置路由:

    url(r'^publish/(?P<pk>d+)/',views.PublishDetailView.as_view()),

    设置视图:
    from rest_framework.renderers import HTMLFormRenderer,BrowsableAPIRenderer
    
    class PublishDetailView(APIView):
        renderer_classes = [HTMLFormRenderer,BrowsableAPIRenderer]
        def get(self,request,pk):
            publish_list=models.Publish.objects.filter(pk=pk).first()
            ps=PublishSerializers(publish_list,many=False)
            return Response(ps.data)
        def put(self,request,pk):
            publish_list = models.Publish.objects.filter(pk=pk).first()
            ps=PublishSerializers(data=request.data,instance=publish_list)
            if ps.is_valid():
                ps.save()   # update
                return Response(ps.data)
            else:
                return Response(ps.errors)
        def delete(self,request,pk):
            models.Publish.objects.filter(pk=pk).delete()
            return Response("")

    浏览器访问(默认):

    加上html样式渲染:

     四、全局使用:

    在settings中设置:

    REST_FRAMEWORK = {
        'DEFAULT_RENDERER_CLASSES':['rest_framework.renderers.JSONRenderer']
    }

    五、自定义显示模板:

    from rest_framework.renderers import  TemplateHTMLRenderer
    class BookDetailView(APIView):
        renderer_classes = [TemplateHTMLRenderer]
        def get(self,request,pk):
            book_obj=models.Book.objects.filter(pk=pk).first()
            bs=BookSerializers(book_obj,many=False)
            return Response(bs.data,template_name='aa.html')
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    {{ title }}
    {{ publishDate }}
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/yangzhaon/p/11148297.html
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