django restframework框架六 解析器
@(python之路)[django restframework框架六 解析器]
django restframework框架六 解析器
解析器簡介
?根據請求頭 content-type 選擇對應的解析器就請求體內容進行處理。
解析器組件
a. 僅處理請求頭content-type為application/json的請求體
urls.py
from django.conf.urls import url, include
from web.views.s5_parser import TestView
urlpatterns = [
url(r'test/', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.request import Request
from rest_framework.parsers import JSONParser
class TestView(APIView):
parser_classes = [JSONParser, ]
def post(self, request, *args, **kwargs):
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
b. 僅處理請求頭content-type為application/x-www-form-urlencoded 的請求體
urls.py
from django.conf.urls import url, include
from web.views import TestView
urlpatterns = [
url(r'test/', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.request import Request
from rest_framework.parsers import FormParser
class TestView(APIView):
parser_classes = [FormParser, ]
def post(self, request, *args, **kwargs):
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
c. 僅處理請求頭content-type為multipart/form-data的請求體
urls.py
from django.conf.urls import url, include
from web.views import TestView
urlpatterns = [
url(r'test/', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.request import Request
from rest_framework.parsers import MultiPartParser
class TestView(APIView):
parser_classes = [MultiPartParser, ]
def post(self, request, *args, **kwargs):
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
upload.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="http://127.0.0.1:8000/test/" method="post" enctype="multipart/form-data">
<input type="text" name="user" />
<input type="file" name="img">
<input type="submit" value="提交">
</form>
</body>
</html>
d.傳文件
urls.py
from django.conf.urls import url, include
from web.views import TestView
urlpatterns = [
url(r'test/(?P<filename>[^/]+)', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.request import Request
from rest_framework.parsers import FileUploadParser
class TestView(APIView):
parser_classes = [FileUploadParser, ]
def post(self, request, filename, *args, **kwargs):
print(filename)
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
upload.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="http://127.0.0.1:8000/test/f1.numbers" method="post" enctype="multipart/form-data">
<input type="text" name="user" />
<input type="file" name="img">
<input type="submit" value="提交">
</form>
</body>
</html>
e. 同時多個Parser
?當同時使用多個parser時,rest framework會根據請求頭content-type自動進行比對,并使用對應parser
urls.py
from django.conf.urls import url, include
from web.views import TestView
urlpatterns = [
url(r'test/', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.request import Request
from rest_framework.parsers import JSONParser, FormParser, MultiPartParser
class TestView(APIView):
parser_classes = [JSONParser, FormParser, MultiPartParser, ]
def post(self, request, *args, **kwargs):
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
f. 全局使用
settings.py
REST_FRAMEWORK = {
'DEFAULT_PARSER_CLASSES':[
'rest_framework.parsers.JSONParser'
'rest_framework.parsers.FormParser'
'rest_framework.parsers.MultiPartParser'
]
}
urls.py
from django.conf.urls import url, include
from web.views import TestView
urlpatterns = [
url(r'test/', TestView.as_view(), name='test'),
]
views.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
from rest_framework.views import APIView
from rest_framework.response import Response
class TestView(APIView):
def post(self, request, *args, **kwargs):
print(request.content_type)
# 獲取請求的值,并使用對應的JSONParser進行處理
print(request.data)
# application/x-www-form-urlencoded 或 multipart/form-data時,request.POST中才有值
print(request.POST)
print(request.FILES)
return Response('POST請求,響應內容')
def put(self, request, *args, **kwargs):
return Response('PUT請求,響應內容')
注意:個別特殊的值可以通過Django的request對象 request._request 來進行獲取

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