{"id":5896,"date":"2022-04-03T13:18:40","date_gmt":"2022-04-03T05:18:40","guid":{"rendered":"https:\/\/egonlin.com\/?p=5896"},"modified":"2022-04-03T13:18:40","modified_gmt":"2022-04-03T05:18:40","slug":"02-03-%e8%a7%a3%e6%9e%90%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5896","title":{"rendered":"02-03 \u89e3\u6790\u6a21\u5757"},"content":{"rendered":"<h1>\u89e3\u6790\u6a21\u5757<\/h1>\n<h2>1\u3001\u89e3\u6790\u5668\u7684\u4f5c\u7528<\/h2>\n<p>\u6839\u636e\u8bf7\u6c42\u5934 content-type \u9009\u62e9\u5bf9\u5e94\u7684\u89e3\u6790\u5668\u5bf9\u8bf7\u6c42\u4f53\u5185\u5bb9\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u6709application\/json\uff0cx-www-form-urlencoded\uff0cform-data\u7b49\u683c\u5f0f<\/p>\n<h2>2\u3001\u5168\u5c40\u4f7f\u7528\u89e3\u6790\u5668<\/h2>\n<ul>\n<li>settings.py\u914d\u7f6e<\/li>\n<\/ul>\n<pre><code class=\"language-python\">REST_FRAMEWORK = {\n    &#039;DEFAULT_PARSER_CLASSES&#039;:[\n        &#039;rest_framework.parsers.JSONParser&#039;\n        &#039;rest_framework.parsers.FormParser&#039;\n        &#039;rest_framework.parsers.MultiPartParser&#039;\n    ]\n\n}<\/code><\/pre>\n<ul>\n<li>urls.py\u914d\u7f6e<\/li>\n<\/ul>\n<pre><code class=\"language-python\">urlpatterns = [\n    url(r&#039;test\/&#039;, TestView.as_view()),\n]<\/code><\/pre>\n<ul>\n<li>\u89c6\u56fe\u51fd\u6570<\/li>\n<\/ul>\n<pre><code class=\"language-python\">from rest_framework.views import APIView\nfrom rest_framework.response import Response\n\nclass TestView(APIView):\n    def post(self, request, *args, **kwargs):\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<h2>3\u3001\u5c40\u90e8\u4f7f\u7528\u89e3\u6790\u5668<\/h2>\n<h3>3-1 \u4ec5\u5904\u7406\u8bf7\u6c42\u5934content-type\u4e3aapplication\/json\u7684\u8bf7\u6c42\u4f53<\/h3>\n<pre><code class=\"language-python\">from django.conf.urls import url, include\nfrom web.views.s5_parser import TestView\n\nurlpatterns = [\n    url(r&#039;test\/&#039;, TestView.as_view(), name=&#039;test&#039;),\n]<\/code><\/pre>\n<pre><code class=\"language-python\">#!\/usr\/bin\/env python\n# -*- coding:utf-8 -*-\nfrom rest_framework.views import APIView\nfrom rest_framework.response import Response\nfrom rest_framework.request import Request\nfrom rest_framework.parsers import JSONParser\n\nclass TestView(APIView):\n    parser_classes = [JSONParser, ]\n\n    def post(self, request, *args, **kwargs):\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<h3>3-2 \u4ec5\u5904\u7406\u8bf7\u6c42\u5934content-type\u4e3aapplication\/x-www-form-urlencoded \u7684\u8bf7\u6c42\u4f53<\/h3>\n<pre><code class=\"language-python\">from django.conf.urls import url, include\nfrom web.views import TestView\n\nurlpatterns = [\n    url(r&#039;test\/&#039;, TestView.as_view(), name=&#039;test&#039;),\n]<\/code><\/pre>\n<pre><code class=\"language-python\">#!\/usr\/bin\/env python\n# -*- coding:utf-8 -*-\nfrom rest_framework.views import APIView\nfrom rest_framework.response import Response\nfrom rest_framework.request import Request\nfrom rest_framework.parsers import FormParser\n\nclass TestView(APIView):\n    parser_classes = [FormParser, ]\n\n    def post(self, request, *args, **kwargs):\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<h2>3-3 \u4ec5\u5904\u7406\u8bf7\u6c42\u5934content-type\u4e3amultipart\/form-data\u7684\u8bf7\u6c42\u4f53<\/h2>\n<pre><code class=\"language-python\">from django.conf.urls import url, include\nfrom web.views import TestView\n\nurlpatterns = [\n    url(r&#039;test\/&#039;, TestView.as_view(), name=&#039;test&#039;),\n]<\/code><\/pre>\n<pre><code class=\"language-python\">#!\/usr\/bin\/env python\n# -*- coding:utf-8 -*-\nfrom rest_framework.views import APIView\nfrom rest_framework.response import Response\nfrom rest_framework.request import Request\nfrom rest_framework.parsers import MultiPartParser\n\nclass TestView(APIView):\n    parser_classes = [MultiPartParser, ]\n\n    def post(self, request, *args, **kwargs):\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;en&quot;&gt;\n&lt;head&gt;\n\n    &lt;title&gt;Title&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n&lt;form action=&quot;http:\/\/127.0.0.1:8000\/test\/&quot; method=&quot;post&quot; enctype=&quot;multipart\/form-data&quot;&gt;\n    &lt;input type=&quot;text&quot; name=&quot;user&quot; \/&gt;\n    &lt;input type=&quot;file&quot; name=&quot;img&quot;&gt;\n\n    &lt;input type=&quot;submit&quot; value=&quot;\u63d0\u4ea4&quot;&gt;\n\n&lt;\/form&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<h3>3-4 \u4ec5\u4e0a\u4f20\u6587\u4ef6<\/h3>\n<pre><code class=\"language-python\">from django.conf.urls import url, include\nfrom web.views import TestView\n\nurlpatterns = [\n    url(r&#039;test\/(?P&lt;filename&gt;[^\/]+)&#039;, TestView.as_view(), name=&#039;test&#039;),\n]<\/code><\/pre>\n<pre><code class=\"language-python\">#!\/usr\/bin\/env python\n# -*- coding:utf-8 -*-\nfrom rest_framework.views import APIView\nfrom rest_framework.response import Response\nfrom rest_framework.request import Request\nfrom rest_framework.parsers import FileUploadParser\n\nclass TestView(APIView):\n    parser_classes = [FileUploadParser, ]\n\n    def post(self, request, filename, *args, **kwargs):\n        print(filename)\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<pre><code class=\"language-html\">&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;en&quot;&gt;\n&lt;head&gt;\n\n    &lt;title&gt;Title&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n&lt;form action=&quot;http:\/\/127.0.0.1:8000\/test\/f1.numbers&quot; method=&quot;post&quot; enctype=&quot;multipart\/form-data&quot;&gt;\n    &lt;input type=&quot;text&quot; name=&quot;user&quot; \/&gt;\n    &lt;input type=&quot;file&quot; name=&quot;img&quot;&gt;\n\n    &lt;input type=&quot;submit&quot; value=&quot;\u63d0\u4ea4&quot;&gt;\n\n&lt;\/form&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<h3>3-5 \u540c\u65f6\u591a\u4e2aParser<\/h3>\n<p>\u5f53\u540c\u65f6\u4f7f\u7528\u591a\u4e2aparser\u65f6\uff0crest framework\u4f1a\u6839\u636e\u8bf7\u6c42\u5934content-type\u81ea\u52a8\u8fdb\u884c\u6bd4\u5bf9\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94parser<\/p>\n<pre><code class=\"language-python\">from django.conf.urls import url, include\nfrom web.views import TestView\n\nurlpatterns = [\n    url(r&#039;test\/&#039;, TestView.as_view(), name=&#039;test&#039;),\n]<\/code><\/pre>\n<pre><code class=\"language-python\">#!\/usr\/bin\/env python\n# -*- coding:utf-8 -*-\nfrom rest_framework.views import APIView\nfrom rest_framework.response import Response\nfrom rest_framework.request import Request\nfrom rest_framework.parsers import JSONParser, FormParser, MultiPartParser\n\nclass TestView(APIView):\n    parser_classes = [JSONParser, FormParser, MultiPartParser, ]\n\n    def post(self, request, *args, **kwargs):\n        print(request.content_type)\n\n        # \u83b7\u53d6\u8bf7\u6c42\u7684\u503c\uff0c\u5e76\u4f7f\u7528\u5bf9\u5e94\u7684JSONParser\u8fdb\u884c\u5904\u7406\n        print(request.data)\n        # application\/x-www-form-urlencoded \u6216 multipart\/form-data\u65f6\uff0crequest.POST\u4e2d\u624d\u6709\u503c\n        print(request.POST)\n        print(request.FILES)\n        return Response(&#039;POST\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)\n\n    def put(self, request, *args, **kwargs):\n        return Response(&#039;PUT\u8bf7\u6c42\uff0c\u54cd\u5e94\u5185\u5bb9&#039;)<\/code><\/pre>\n<h2>4\u3001\u6e90\u7801\u5206\u6790<\/h2>\n<pre><code class=\"language-python\"># 1 \u5728\u8c03\u7528request.data\u65f6\uff0c\u624d\u8fdb\u884c\u89e3\u6790\uff0c\u7531\u6b64\u5165\u624b\n    @property\n    def data(self):\n        if not _hasattr(self, &#039;_full_data&#039;):\n            self._load_data_and_files()\n        return self._full_data\n\n# 2 \u67e5\u770bself._load_data_and_files()\u65b9\u6cd5----&gt;self._data, self._files = self._parse()\n\n        def _parse(self):\n            #\u7528\u6237\u8bf7\u6c42\u5934\u91cccontent_type\u7684\u503c\n            media_type = self.content_type\n\n            #self.parsers \u5c31\u662f\u7528\u6237\u914d\u7f6e\u7684parser_classes = [FileUploadParser,FormParser ]\n            #self\u91cc\u5c31\u6709content_type\uff0c\u4f20\u5165\u6b64\u51fd\u6570\n            parser = self.negotiator.select_parser(self, self.parsers)\n\n# 3 \u67e5\u770bself.negotiator.select_parser(self, self.parsers)\n     def select_parser(self, request, parsers):\n        #\u540c\u8fc7media_type\u548crequest.content_type\u6bd4\u8f83\uff0c\u6765\u8fd4\u56de\u89e3\u6790\u5668\uff0c\u7136\u540e\u8c03\u7528\u89e3\u6790\u5668\u7684\u89e3\u6790\u65b9\u6cd5\n        #\u6bcf\u4e2a\u89e3\u6790\u5668\u90fd\u6709media_type = &#039;multipart\/form-data&#039;\u5c5e\u6027\n        for parser in parsers:\n            if media_type_matches(parser.media_type, request.content_type):\n                return parser\n        return None\n\n# 4 \u6700\u7ec8\u8c03\u7528parser\u7684\u89e3\u6790\u65b9\u6cd5\u6765\u89e3\u6790parsed = parser.parse(stream, media_type, self.parser_context)<\/code><\/pre>\n<pre><code class=\"language-python\"># 1 Request\u5b9e\u4f8b\u5316\uff0cparsers=self.get_parsers()\n    Request(\n                request,\n                parsers=self.get_parsers(),\n                authenticators=self.get_authenticators(),\n                negotiator=self.get_content_negotiator(),\n                parser_context=parser_context\n            )\n# 2 get_parsers\u65b9\u6cd5\uff0c\u5faa\u73af\u5b9e\u4f8b\u5316\u51faself.parser_classes\u4e2d\u7c7b\u5bf9\u8c61\n    def get_parsers(self):\n        return [parser() for parser in self.parser_classes]            \n\n# 3 self.parser_classes \u5148\u4ece\u7c7b\u672c\u8eab\u627e\uff0c\u627e\u4e0d\u5230\u53bb\u7236\u7c7b\u627e\u5373APIVIew \u4e2d\u7684\n    parser_classes = api_settings.DEFAULT_PARSER_CLASSES\n# 4 api_settings\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5bf9\u8c61\u91cc\u627eDEFAULT_PARSER_CLASSES\u5c5e\u6027\uff0c\u627e\u4e0d\u5230\uff0c\u4f1a\u5230getattr\u65b9\u6cd5\n        def __getattr__(self, attr):\n            if attr not in self.defaults:\n                raise AttributeError(&quot;Invalid API setting: &#039;%s&#039;&quot; % attr)\n\n            try:\n                #\u8c03\u7528self.user_settings\u65b9\u6cd5\uff0c\u8fd4\u56de\u4e00\u4e2a\u5b57\u5178\uff0c\u5b57\u5178\u518d\u53d6attr\u5c5e\u6027\n                val = self.user_settings[attr]\n            except KeyError:\n                # Fall back to defaults\n                val = self.defaults[attr]\n\n            # Coerce import strings into classes\n            if attr in self.import_strings:\n                val = perform_import(val, attr)\n\n            # Cache the result\n            self._cached_attrs.add(attr)\n            setattr(self, attr, val)\n            return val\n # 5 user_settings\u65b9\u6cd5 \uff0c\u901a\u8fc7\u53cd\u5c04\u53bbsetting\u914d\u7f6e\u6587\u4ef6\u91cc\u627eREST_FRAMEWORK\u5c5e\u6027\uff0c\u627e\u4e0d\u5230\uff0c\u8fd4\u56de\u7a7a\u5b57\u5178\n    @property\n    def user_settings(self):\n        if not hasattr(self, &#039;_user_settings&#039;):\n            self._user_settings = getattr(settings, &#039;REST_FRAMEWORK&#039;, {})\n        return self._user_settings<\/code><\/pre>\n<h4>jQuery<\/h4>\n<pre><code>>: cnpm install jquery<\/code><\/pre>\n<h4>vue\/cli 3 \u914d\u7f6ejQuery\uff1a\u5728vue.config.js\u4e2d\u914d\u7f6e(\u6ca1\u6709\uff0c\u624b\u52a8\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u65b0\u5efa)<\/h4>\n<pre><code class=\"language-js\">const webpack = require(&quot;webpack&quot;);\n\nmodule.exports = {\n    configureWebpack: {\n        plugins: [\n            new webpack.ProvidePlugin({\n                $: &quot;jquery&quot;,\n                jQuery: &quot;jquery&quot;,\n                &quot;window.jQuery&quot;: &quot;jquery&quot;,\n                Popper: [&quot;popper.js&quot;, &quot;default&quot;]\n            })\n        ]\n        }\n};<\/code><\/pre>\n<h4>BootStrap<\/h4>\n<pre><code>>: cnpm install bootstrap@3<\/code><\/pre>\n<h4>vue\/cli 3 \u914d\u7f6eBootStrap\uff1a\u5728main.js\u4e2d\u914d\u7f6e<\/h4>\n<pre><code class=\"language-js\">import &quot;bootstrap&quot;\nimport &quot;bootstrap\/dist\/css\/bootstrap.css&quot;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6790\u6a21\u5757 1\u3001\u89e3\u6790\u5668\u7684\u4f5c\u7528 \u6839\u636e\u8bf7\u6c42\u5934 content-type \u9009\u62e9\u5bf9\u5e94\u7684\u89e3\u6790\u5668\u5bf9\u8bf7\u6c42\u4f53\u5185\u5bb9\u8fdb\u884c\u5904\u7406\u3002 \u6709a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[394,400],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5896"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5896"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5896\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}