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類型錯(cuò)誤:detail() 缺少 1 個(gè)必需的位置參數(shù):“請(qǐng)求”

類型錯(cuò)誤:detail() 缺少 1 個(gè)必需的位置參數(shù):“請(qǐng)求”

犯罪嫌疑人X 2022-07-12 16:20:20
我是 Django 的新手。最初我有這個(gè)基于函數(shù)的視圖 -@api_view(['GET', 'PUT', 'DELETE'])def detail(self,request, pk):"""Retrieve, update or delete a product instance."""try:    product = latesttrial.objects.get(pk=pk)    newproduct = latesttrial.objects.all()except latesttrial.DoesNotExist:    return Response(status=status.HTTP_404_NOT_FOUND)if request.method == 'GET':    serializer = latestSerializer(product,context={'request': request})    return Response(serializer.data)elif request.method == 'PUT':    serializer = latestSerializer(product, data=request.data,context={'request': request})    if serializer.is_valid():        serializer.save()        return Response(serializer.data)    return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)然后它給出了這個(gè)錯(cuò)誤 -TypeError: detail() missing 1 required positional argument: 'pk' 為此,我根據(jù)此答案進(jìn)行了這些更改- 缺少 1 個(gè)必需的位置參數(shù):'pk'然后我有了這個(gè)基于函數(shù)的視圖@api_view(['GET', 'PUT', 'DELETE'])def detail(request, *args, **kwargs):"""Retrieve, update or delete a product instance."""try:    pk = self.kwargs.get('pk')    product = latesttrial.objects.get(pk=pk)    newproduct = latesttrial.objects.all()except latesttrial.DoesNotExist:    return Response(status=status.HTTP_404_NOT_FOUND)if request.method == 'GET':    pk = self.kwargs.get('pk')    serializer = latestSerializer(product,context={'request': request})    return Response(serializer.data)elif request.method == 'PUT':    pk = self.kwargs.get('pk')    serializer = latestSerializer(product, data=request.data,context={'request': request})    if serializer.is_valid():        serializer.save()        return Response(serializer.data)    return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)然后我有這個(gè)錯(cuò)誤 -TypeError: detail() missing 1 required positional argument: 'request'
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1 回答

?
HUX布斯

TA貢獻(xiàn)1876條經(jīng)驗(yàn) 獲得超6個(gè)贊

您可以將更改恢復(fù)到以前的版本并進(jìn)行更改:

url(r'detail',detail,name="newfunction"),

對(duì)此:

url(r'detail(?P<pk>[0-9]+)/$',detail,name="newfunction"),


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