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get() got an unexpected keyword argument
这种错误我现在发现有两种可能造成它的出现: 1. url 和 urls.py中的映射不匹配 2. 在views.py中相应的处理函数缺少参数
- 在views.py中相应的处理函数缺少参数
-
- urls.py 中的映射关系
-
-
- urlpatterns = [
- path('edit_course/<int:course_id>/',views.EditCourse.as_view(),name='edit_course'),
- ]
-
-
- views.py 中的处理函数
-
-
- class EditCourse(View):
- def get(self,request,course_id): # 这里的 course_id 就是不能少的,要和映射关系对应
- course = Course.objects.get(pk=course_id)
- teachers = Teacher.objects.all()
- categories = CourseCategory.objects.all()
- context = {
- 'course': course,
- 'course_id': course_id,
- 'teachers':teachers,
- 'categories':categories,
- }
- return render(request,'cms/edit_course.html',context=context)
-
- def post(self,request,course_id): # 这里的 course_id 就是不能少的,要和映射关系对应
- form = EditCourseForm(request.POST)
- if form.is_valid():
- title = form.cleaned_data.get('title')
- category_id = form.cleaned_data.get('category_id')
- teacher = form.cleaned_data.get('teacher_id')
- video_url = form.cleaned_data.get('video_url')
- cover = form.cleaned_data.get('cover_url')
- price = form.cleaned_data.get('price')
- duration = form.cleaned_data.get('duration')
- category = CourseCategory.objects.get(pk=category_id)
- pk = form.cleaned_data.get('pk')
-
- print(title,category_id,teacher,video_url,cover,price,duration,pk,end = ' ')
-
- Course.objects.filter(pk=pk).update(title=title,category = category_id,teacher = teacher,video_url = video_url,cover_url=cover,price = price,duration = duration)
-
- return restful.ok()
- else:
- print("form 不合法")
- return restful.params_error(message=form.get_errors())
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