![](/img/trans.png)
[英]How to do auto-reloading of jinja 2 data in Flask without refreshing page?
[英]Django How do i Insert data without refreshing or reloading page
在用戶插入數據后如何在 Django 中返回當前頁面(request.post)
設想:
如果教師插入學生的成績,當前頁面將重新加載或刷新。
我不知道我是否可以通過使用重定向來實現它。
def grades(request):
V_insert_data = StudentSubjectGrade(
...
)
V_insert_data.save()
//redirect the same page
def teacher(request):
if request.method != 'POST':
raise Http404('Only POSTs are allowed')
try:
......
return render(request, 'Homepage/index.html')
except EmployeeUser.DoesNotExist:
messages.warning(request, 'Your Username and password are Incorrect.')
….
return render(request, 'Homepage/TeacherLogin.html')
網址.py
path('teacher/', Homepage.views.teacher, name='teacher'),
path('grades/', Homepage.views.grades, name='grades'),
這是我得到的錯誤
更新
當我改變我的
response = redirect(teacher)
return response
對此
return redirect(reverse('teacher'))
我得到相同的結果
再次更新
當我嘗試這個時
def grades(request):
V_insert_data = StudentSubjectGrade(
...
)
V_insert_data.save()
return HttpResponseRedirect(request.path_info)
我收到這個錯誤
我已經清除了我的 cookie,但仍然出現此錯誤
如果您想在表單成功提交后重定向到同一頁面,請返回HttpResponseRedirect
。 讓我在這里給出一個示例視圖
from django.http import HttpResponseRedirect
def grades(request):
if request.method == 'POST':
# do your stuff here (saving data to db)
return HttpResponseRedirect(request.path_info)
return render(request, template, {'form': your_form})
def grades(request):
V_insert_data = StudentSubjectGrade(
...
)
V_insert_data.save()
return redirect(reverse('teacher'))
def teacher(request):
if request.method == 'POST':
try:
......
return render(request, 'Homepage/index.html')
except EmployeeUser.DoesNotExist:
messages.warning(request, 'Your Username and password are Incorrect.')
….
return render(request, 'Homepage/TeacherLogin.html')
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.