DRF 解析器和渲染器

一，DRF 解析器

根据请求头 content-type 选择对应的解析器就请求体内容进行处理。

1. 仅处理请求头content-type为application/json的请求体

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django.conf.urls web.views.s5_parser urlpatterns =<span style="color: #000000;"> [
url(r<span style="color: #800000;">'<span style="color: #800000;">test/<span style="color: #800000;">',TestView.as_view(),name=<span style="color: #800000;">'<span style="color: #800000;">test<span style="color: #800000;">'<span style="color: #000000;">),]

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rest_framework.views rest_framework.response rest_framework.request rest_framework.parsers <span style="color: #0000ff;">class<span style="color: #000000;"> TestView(APIView):
parser_classes =<span style="color: #000000;"> [JSONParser,]

</span><span style="color: #0000ff;"&gt;def</span> post(self,request,*args,**<span style="color: #000000;"&gt;<a href="/tag/kwargs/" target="_blank" class="keywords">kwargs</a>):
    </span><span style="color: #0000ff;"&gt;print</span><span style="color: #000000;"&gt;(request.content_type)

    </span><span style="color: #008000;"&gt;#</span><span style="color: #008000;"&gt; <a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>请求的值，并使用对应的JSONParser进行处理</span>
    <span style="color: #0000ff;"&gt;print</span><span style="color: #000000;"&gt;(request.data)

    </span><span style="color: #008000;"&gt;#</span><span style="color: #008000;"&gt; application/x-www-form-urlencoded 或 multipart/form-data时，request.POST中才有值</span>
    <span style="color: #0000ff;"&gt;print</span><span style="color: #000000;"&gt;(request.POST)
    </span><span style="color: #0000ff;"&gt;print</span><span style="color: #000000;"&gt;(request.FILES)

    </span><span style="color: #0000ff;"&gt;return</span> Response(<span style="color: #800000;"&gt;'</span><span style="color: #800000;"&gt;POST请求，响应<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000;"&gt;'</span><span style="color: #000000;"&gt;)

</span><span style="color: #0000ff;"&gt;def</span> put(self,**<span style="color: #000000;"&gt;<a href="/tag/kwargs/" target="_blank" class="keywords">kwargs</a>):
    </span><span style="color: #0000ff;"&gt;return</span> Response(<span style="color: #800000;"&gt;'</span><span style="color: #800000;"&gt;PUT请求，响应<a href="/tag/neirong/" target="_blank" class="keywords">内容</a></span><span style="color: #800000;"&gt;'</span>)</pre>

 2. 仅处理请求头content-type为application/x-www-form-urlencoded 的请求体

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django.conf.urls web.views urlpatterns =<span style="color: #000000;"> [
url(r<span style="color: #800000;">'<span style="color: #800000;">test/<span style="color: #800000;">',]

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 rest_framework.views  rest_framework.response  rest_framework.request  rest_framework.parsers <span style="color: #0000ff;">class<span style="color: #000000;"> TestView(APIView):

parser_classes =<span style="color: #000000;"> [FormParser,**<span style="color: #000000;">kwargs):

<span style="color: #0000ff;">return Response(<span style="color: #800000;">'<span style="color: #800000;">PUT请求，响应内容<span style="color: #800000;">')