文章轉載于 https://my.oschina.net/u/2723480/blog/702874
現在要實現一個form的添加和編輯,就是說對一個數據庫表的操作
def log(request,id=0):
assert isinstance(request, HttpRequest)
if request.method == 'POST':
form = app.forms.LogForm(request.POST)
if form.is_valid():
id = form.data['id']
if id:
model = app.models.ChangeLog.objects.get(id=id)
else:
model = app.models.ChangeLog()
model.serial_number = form.cleaned_data['serial_number']
model.name = form.cleaned_data['name']
model.type = form.cleaned_data['type']
model.remark = form.cleaned_data['remark']
model.save()
id = 0
else:
if id:
form = app.forms.LogForm(instance = app.models.ChangeLog.objects.get(id=id))
else:
form = app.forms.LogForm()
return render(request,'app/log.html',{
'title': '變更記錄',
'form': form, #獲得表單對象
'data':app.models.ChangeLog.objects.all(),
'id': id
})
重點關注 form = app.forms.LogForm(instance = app.models.ChangeLog.objects.get(id=id))
,通過模型實例化表單,可以實現文章再編輯