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10. 渲染器

10. 渲染器

作者: lkning | 来源:发表于2018-01-24 23:15 被阅读0次

    根据 用户请求URL 或 用户可接受的类型,筛选出合适的 渲染组件。
    用户请求URL:

    a. json

    访问URL:

    urls.py

    from django.conf.urls import url, include
    from web.views import s11_render
    
    urlpatterns = [
        url(r'^test/$', s11_render.TestView.as_view()),
        url(r'^test\.(?P<format>[a-z0-9]+)', s11_render.TestView.as_view()),
    ]
    

    views.py

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework import serializers
    
    from rest_framework.renderers import JSONRenderer
    
    from .. import models
    
    
    class TestSerializer(serializers.ModelSerializer):
        class Meta:
            model = models.UserInfo
            fields = "__all__"
    
    
    class TestView(APIView):
        renderer_classes = [JSONRenderer, ]
    
        def get(self, request, *args, **kwargs):
            user_list = models.UserInfo.objects.all()
            ser = TestSerializer(instance=user_list, many=True)
            return Response(ser.data)
    

    b. 表格

    访问URL:

    views.py

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework import serializers
    
    from rest_framework.renderers import AdminRenderer
    
    from .. import models
    
    
    class TestSerializer(serializers.ModelSerializer):
        class Meta:
            model = models.UserInfo
            fields = "__all__"
    
    
    class TestView(APIView):
        renderer_classes = [AdminRenderer, ]
    
        def get(self, request, *args, **kwargs):
            user_list = models.UserInfo.objects.all()
            ser = TestSerializer(instance=user_list, many=True)
            return Response(ser.data)
    

    c. Form表单

    访问URL:

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework import serializers
    
    from rest_framework.renderers import JSONRenderer
    from rest_framework.renderers import AdminRenderer
    from rest_framework.renderers import HTMLFormRenderer
    
    from .. import models
    
    
    class TestSerializer(serializers.ModelSerializer):
        class Meta:
            model = models.UserInfo
            fields = "__all__"
    
    
    class TestView(APIView):
        renderer_classes = [HTMLFormRenderer, ]
    
        def get(self, request, *args, **kwargs):
            user_list = models.UserInfo.objects.all().first()
            ser = TestSerializer(instance=user_list, many=False)
            return Response(ser.data)
    

    d. 自定义显示模板

    访问URL:

    from django.conf.urls import url, include
    from web.views import s11_render
    
    urlpatterns = [
        url(r'^test/$', s11_render.TestView.as_view()),
        url(r'^test\.(?P<format>[a-z0-9]+)', s11_render.TestView.as_view()),
    ]
    
    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework import serializers
    from rest_framework.renderers import TemplateHTMLRenderer
    
    from .. import models
    
    
    class TestSerializer(serializers.ModelSerializer):
        class Meta:
            model = models.UserInfo
            fields = "__all__"
    
    
    class TestView(APIView):
        renderer_classes = [TemplateHTMLRenderer, ]
    
        def get(self, request, *args, **kwargs):
            user_list = models.UserInfo.objects.all().first()
            ser = TestSerializer(instance=user_list, many=False)
            return Response(ser.data, template_name='user_detail.html')
    

    HTML

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
        {{ user }}
        {{ pwd }}
        {{ ut }}
    </body>
    </html>
    

    e. 浏览器格式API+JSON

    访问URL:

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework import serializers
    
    from rest_framework.renderers import JSONRenderer
    from rest_framework.renderers import BrowsableAPIRenderer
    
    from .. import models
    
    
    class TestSerializer(serializers.ModelSerializer):
        class Meta:
            model = models.UserInfo
            fields = "__all__"
    
    
    class CustomBrowsableAPIRenderer(BrowsableAPIRenderer):
        def get_default_renderer(self, view):
            return JSONRenderer()
    
    
    class TestView(APIView):
        renderer_classes = [CustomBrowsableAPIRenderer, ]
    
        def get(self, request, *args, **kwargs):
            user_list = models.UserInfo.objects.all().first()
            ser = TestSerializer(instance=user_list, many=False)
            return Response(ser.data, template_name='user_detail.html')
    

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