{"id":440191,"date":"2021-04-13T04:50:31","date_gmt":"2021-04-12T20:50:31","guid":{"rendered":"http:\/\/4563.org\/?p=440191"},"modified":"2021-04-13T04:50:31","modified_gmt":"2021-04-12T20:50:31","slug":"%e5%85%b3%e4%ba%8e-django-drf-%e7%9a%84%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e4%b8%80%e5%af%b9%e5%a4%9a%e5%ad%97%e6%ae%b5%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=440191","title":{"rendered":"\u5173\u4e8e Django drf \u7684\u53cd\u5e8f\u5217\u5316\u4e00\u5bf9\u591a\u5b57\u6bb5\u95ee\u9898"},"content":{"rendered":"
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\u5173\u4e8e Django drf \u7684\u53cd\u5e8f\u5217\u5316\u4e00\u5bf9\u591a\u5b57\u6bb5\u95ee\u9898 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : endpain <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5927\u5bb6\u597d\uff0c\u6211\u5728\u4f7f\u7528 django drf \u7684\u65f6\u5019\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u627e\u4e86\u4e00\u5806\u8d44\u6599\uff0c\u6682\u65f6\u8fd8\u6ca1\u627e\u5230\u597d\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u5e0c\u671b\u6709\u61c2\u7684\u5144\u5f1f\u53ef\u4ee5\u7ed9\u6307\u70b9\u4e00\u4e0b\u3002\u975e\u5e38\u611f\u8c22\u3002<\/p>\n

models.py<\/h1>\n

<\/p>\n

 class ProjectStatusModels(models.Model):     name = models.CharField(max_length=150,verbose_name='\u72b6\u6001\u540d\u79f0',unique=True,db_index=True)      def __str__(self):         return self.name     class Meta:         verbose_name = '\u9879\u76ee\u72b6\u6001\u7ba1\u7406\u8868'         ordering = ('-id',)   class ProjectModels(models.Model):     project_id = models.CharField(verbose_name='\u9879\u76ee\u7f16\u53f7',max_length=120,unique=True,db_index=True)     name = models.CharField(verbose_name='\u9879\u76ee\u540d\u79f0',max_length=150)     customer_name = models.CharField(verbose_name='\u5ba2\u6237\u540d\u79f0',max_length=150,null=True,blank=True)     evaluation = models.IntegerField(verbose_name='\u9879\u76ee\u4f30\u4ef7',null=True,blank=True)      start_date = models.DateField(verbose_name='\u9879\u76ee\u5f00\u59cb\u65e5\u671f',null=True,blank=True)     expiration_date = models.DateField(verbose_name='\u9879\u76ee\u622a\u6b62\u65e5\u671f',null=True,blank=True)      sales_name = models.ForeignKey(EmployeeModels,on_delete=models.DO_NOTHING,verbose_name='\u9500\u552e\u7ecf\u7406',null=True,blank=True)     status = models.ForeignKey(ProjectStatusModels,on_delete=models.DO_NOTHING,verbose_name='\u72b6\u6001',null=True,blank=True,db_index=True)      create_time = models.DateTimeField(verbose_name='\u53d1\u5e03\u65f6\u95f4', auto_now_add=True)     update_time = models.DateTimeField(verbose_name='\u4fee\u6539\u65f6\u95f4', auto_now=True)      def __str__(self):         return self.name     class Meta:         verbose_name = '\u9879\u76ee\u7ba1\u7406\u8868'         ordering = ('-id',)  <\/code><\/pre>\n
view.py<\/h1>\n
 <\/p>\n
class ProjectJsonView(APIView):     def get(self,request,*args,**kwargs):         project_id = request.query_params.get('project_id')         if not project_id:             project_obj = project_models.ProjectModels.objects.all()             ser = admin_project_serializers.ProjectModelsSerializers(instance=project_obj,many=True)         else:             project_obj = project_models.ProjectModels.objects.filter(id=project_id).first()             ser = admin_project_serializers.ProjectModelsSerializers(instance=project_obj,many=False)          return Response({             'status_code':20000,             'code':0,             'data':ser.data         })      def post(self,request,*args,**kwargs):         # \u65b0\u589e\u9879\u76ee         req = {             'status_code':20000,             'msg':'\u65b0\u589e\u6210\u529f'         }         ser = admin_project_serializers.ProjectModelsSerializers(data = request.data)         if ser.is_valid():             ser.save()         else:             req['status_code'] = 50000             req['msg'] = str(ser.errors)          return Response(req)      def put(self,request,*args,**kwargs):         # \u7f16\u8f91\u73b0\u6709\u9879\u76ee         req = {             'status_code':20000,             'msg':'\u4fee\u6539\u6210\u529f'         }          sid = request.data.get('id')         project_obj = project_models.ProjectModels.objects.filter(id=sid).first()          ser = admin_project_serializers.ProjectModelsSerializers(data=request.data,instance=project_obj)          if ser.is_valid():             print('ser.validated_data:',ser.validated_data)             ser.save()         else:             req['status_code'] = 50000             req['msg'] = str(ser.errors)          return Response(req)      def delete(self,request,*args,**kwargs):         project_id = request.data.get('project_id')         project_obj = project_models.ProjectModels.objects.filter(id=project_id).first()         project_obj.delete()         return Response({             'status_code':20000,             'msg':'\u5220\u9664\u6210\u529f'         })   <\/code><\/pre>\n
serializer.py<\/h1>\n
 <\/p>\n
 class ProjectStatusModelsSerializers(serializers.ModelSerializer):     # \u9879\u76ee\u72b6\u6001\u5e8f\u5217\u5316\u5668     class Meta:         model = project_models.ProjectStatusModels         fields = '__all__'   class ProjectModelsSerializers(serializers.ModelSerializer):     # \u9879\u76ee\u5e8f\u5217\u5316\u5668     class Meta:         model = project_models.ProjectModels         fields = '__all__'         depth = 1  <\/code><\/pre>\n
\u5728\u9879\u76ee \u67e5\u8be2\u7684\u65f6\u5019\u53ef\u4ee5\u8fd4\u56de\u5982\u4e0b\u7684\u5b57\u6bb5<\/p>\n
{   \"status_code\": 20000,   \"code\": 0,   \"data\": [     {       \"id\": 5,       \"status\": null,       \"project_id\": \"asdasdasd\",       \"name\": \"123123123\",       \"customer_name\": \"Abcd\",       \"evaluation\": null,       \"start_date\": null,       \"expiration_date\": null,       \"create_time\": \"2021-04-04T23:17:58.433641\",       \"update_time\": \"2021-04-04T23:17:58.433666\",       \"sales_name\": null     },     {       \"id\": 4,       \"status\": null,       \"project_id\": \"sss03\",       \"name\": \"qweqqweasd\",       \"customer_name\": \"\",       \"evaluation\": 10000,       \"start_date\": null,       \"expiration_date\": null,       \"create_time\": \"2021-04-04T23:17:03.571699\",       \"update_time\": \"2021-04-04T23:17:03.571714\",       \"sales_name\": null     },     {       \"id\": 3,       \"status\": null,       \"project_id\": \"sss01\",       \"name\": \"asasas\",       \"customer_name\": \"\",       \"evaluation\": null,       \"start_date\": null,       \"expiration_date\": null,       \"create_time\": \"2021-04-04T23:15:31.134011\",       \"update_time\": \"2021-04-04T23:15:31.134029\",       \"sales_name\": null     },     {       \"id\": 2,       \"status\": {         \"id\": 2,         \"name\": \"End\"       },       \"project_id\": \"0002\",       \"name\": \"s0002\",       \"customer_name\": \"\u5fae\u521b\u533b\u7597 111\",       \"evaluation\": 500,       \"start_date\": \"2021-04-04\",       \"expiration_date\": \"2021-05-11\",       \"create_time\": \"2021-04-04T22:43:18.374238\",       \"update_time\": \"2021-04-05T11:39:18.852015\",       \"sales_name\": {         \"id\": 5,         \"code\": \"0003\",         \"name\": \"endpein\",         \"phone\": \"\",         \"birthday\": \"2021-04-02\",         \"age\": 18,         \"on_the_job\": true,         \"identity_card\": \"\",         \"work_id\": \"\",         \"work_id_date\": null,         \"work_id_expiry_date\": null,         \"dormitory_address\": \"\",         \"passport_id\": \"\",         \"passport_expiry_date\": null,         \"multiskill_expiry\": null,         \"csoc_expiry\": null,         \"multiskill_category\": \"[]\",         \"bank_details\": \"\",         \"email\": \"[email protected]\",         \"remarks\": \"\u54c8\u54c8\u54c8\",         \"nationality\": null       }     },     {       \"id\": 1,       \"status\": {         \"id\": 6,         \"name\": \"asdasd\"       },       \"project_id\": \"0001\",       \"name\": \"s01 \u9879\u76ee\",       \"customer_name\": \"\u5fae\u521b\u533b\u7597\",       \"evaluation\": 1000,       \"start_date\": \"2021-04-29\",       \"expiration_date\": \"2021-04-30\",       \"create_time\": \"2021-04-04T22:42:51.462897\",       \"update_time\": \"2021-04-05T14:34:03.122631\",       \"sales_name\": null     }   ] }  <\/code><\/pre>\n
\u4f46\u662f\u524d\u7aef\u4f20\u6765\u7684\u6570\u636e\u5982\u4e0b ,\u8fd9\u4e2a\u6570\u636e\u662f request.data \u8f93\u51fa\u7684<\/p>\n
<QueryDict: {'csrfmiddlewaretoken': ['ntdydSUNRztDKOKmDSST36oFnSokUFVJG0t9YLXXvQtm6hyYOPT3WHMRPahy6kz8'], 'id': ['1'], 'name': ['s01 \u9879\u76ee'], 'project_id': ['0001'], 'customer_name': ['\u5fae\u521b\u533b\u7597'], 'evaluation': ['1000'], 'start_date': ['2021-04-29'], 'expiration_date': ['2021-04-30'], 'status': ['2'], 'sales_name': ['']}>  <\/code><\/pre>\n
\u4f46\u662f\u5f53 ser.is_valid() \u5728\u8f93\u5165 validated_data \u7684\u65f6\u5019 \u8868\u4e2d status<\/code>\u3001sales_name<\/code>\u8fd9 2 \u4e2a\u4e00\u5bf9\u591a\u7684 ForeignKey \u5b57\u6bb5\u5c31\u6ca1\u6709\u4e86\u3002\u8f93\u51fa\u53d8\u6210\u4e86\u5982\u4e0b\u6837\u5f0f\uff1a<\/p>\n
ser.validated_data: OrderedDict([('project_id', '0001'), ('name', 's01 \u9879\u76ee'), ('customer_name', '\u5fae\u521b\u533b\u7597'), ('evaluation', 1000), ('start_date', datetime.date(2021, 4, 29)), ('expiration_date', datetime.date(2021, 4, 30))]) <\/code><\/pre>\n
\u8bf7\u95ee\u4e00\u4e0b\uff0c\u5404\u4f4d\u9ad8\u624b\u5e94\u8be5\u5982\u4f55\u4fee\u6539\u548c\u8c03\u6574\u5462\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : Zhuzhuchenyan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6839\u636e\u5b98\u65b9\u6587\u6863\u5bf9\u4e8e nested serialization \u7684\u63cf\u8ff0\uff0c\u8be6\u89c1 https:\/\/www.django-rest-framework.org\/api-guide\/serializers\/#writing-create-methods-for-nested-representations<\/p>\n
    \u201cIf you’re supporting writable nested representations you’ll need to write .create() or .update() methods that handle saving multiple objects.\u201d<\/p>\n
    \u6240\u4ee5\u5149\u6709 depth=1 \u662f\u4e0d\u591f\u7684\uff0c\u9700\u8981\u91cd\u5199\u5bf9\u5e94\u7684`create`\u65b9\u6cd5<\/p>\n
    \u6b63\u597d\u6709\u7a7a\uff0c\u7ed9\u4f60\u4e2a\u6700\u4f4e\u9650\u5ea6\u80fd\u7528\u7684\u4ee3\u7801<\/p>\n
    “`python<\/p>\n
    # models.py
    class Author(models.Model):
     name = models.CharField(max_length=128)<\/p>\n
     def __str__(self):
     return self.name<\/p>\n
    class Book(models.Model):
     name = models.CharField(max_length=128)
     author = models.ForeignKey(to=Author, related_name=’books’, on_delete=models.CASCADE)<\/p>\n
     def __str__(self):
     return self.name<\/p>\n
    # serializers.py<\/p>\n
    class AuthorSerializer(serializers.ModelSerializer):
     class Meta:
     model = Author
     fields = ‘__all__’<\/p>\n
    class BookSerializer(serializers.ModelSerializer):
     author = AuthorSerializer()<\/p>\n
     class Meta:
     model = Book
     fields = ‘__all__’<\/p>\n
     def create(self, validated_data):
     author_data = validated_data.pop(‘author’)
     author = Author.objects.get(name=author_data[‘name’])
     return Book.objects.create(author=author, **validated_data)<\/p>\n
    # viewset.py<\/p>\n
    class BookViewSet(ModelViewSet):
     queryset = Book.objects.all()
     serializer_class = BookSerializer
     pagination_class = None
     http_method_names = [‘get’, ‘post’]<\/p>\n
    “`<\/p>\n
    “`
    # \u793a\u4f8b\u4ee3\u7801 curl
    curl –location –request POST ‘{root_url}\/books\/’ 
    –header ‘Content-Type: application\/json’ 
    –data-raw ‘{
     “name”: “Book 2”,
     “author”: {
     “name”: “YYH”
     }
    }’
    “`<\/p>\n
    \u9700\u8981\u6ce8\u610f\u7684\u662f\u5373\u4f7f author \u91cc\u9762\u4f20\u9012\u4e86 ID\uff0c\u8fd9\u4e2a ID \u4e5f\u4e0d\u4f1a\u51fa\u73b0\u5728 validated_data \u4e2d\uff0c\u8fd9\u4e2a\u7b97\u662f drf \u7684\u4e00\u4e2a\u5c40\u9650\u6027\u3002<\/p>\n
    \u73af\u5883\uff1a
    djangorestframework==3.12.2
    Django==3.1.3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Zhuzhuchenyan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u597d\u610f\u601d\uff0c\u4e0d\u77e5\u9053\u4e3a\u5565\u6ca1\u6709\u51fa\u73b0 readme \u6392\u7248\uff0c\u96be\u9053\u662f\u6211\u4f7f\u7528\u59ff\u52bf\u9519\u4e86\uff0c
    \u4ee3\u7801\u7f29\u8fdb\u90fd\u4e0d\u89c1\u4e86\uff0c\u51d1\u5408\u7740\u770b\u770b\u5427\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ea\u8981\u91cd\u65b0 create \u65b9\u6cd5\u4e00\u822c\u90fd\u80fd\u89e3\u51b3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : endpain <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @Zhuzhuchenyan \u975e\u5e38\u611f\u8c22\uff0c\u6211\u5728\u4ed4\u7ec6\u770b\u770b\u3002\u8dea\u8c22\uff01                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u5173\u4e8e Django drf \u7684\u53cd\u5e8f…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/440191"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=440191"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/440191\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=440191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=440191"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=440191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}