def new_item(request):
last_save_item=""
if request.method == 'POST':
return_list=request.POST.get('return_list')
add_another=request.POST.get('add_another')
form = ItemForm(request,data=request.POST)
if form.is_valid():
new_item = form.save()
new_item.save()
if not return_list:
#继续新建
form = ItemForm(request,initial={'pub_date':timezone.now().date()})
if new_item.category.isIncome:
isIncome=u"收入"
else:
isIncome=u"支出"
last_save_item=u'您刚提交的"'+new_item.category.name+u'"分类下"'+str(new_item.price)+u'"元"'+isIncome+u"已保存"
else:
#返回列表
return HttpResponseRedirect("/jizhang")
else:
form = ItemForm(request,initial={'pub_date':timezone.now().date()})
most_used_categorys = Category.objects.filter(user__username=request.user.username).annotate(num_items=Count('item')).filter(num_items__gt=0).order_by('-num_items')[:8]
context = {'last_save_item':last_save_item,'form':form,'username':request.user.username,'most_used_categorys':most_used_categorys}
return render_to_response('jizhang/new_item.html',RequestContext(request,context))
def new_item(request, template_name='jizhang/new_item.html'):
if request.method == 'POST':
form = ItemForm(request,data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect("/jizhang")
else:
form = ItemForm(request,initial={'pub_date':timezone.now().date()})
return render(request, template_name,{'form':form})
def edit_item(request, pk, template_name='jizhang/new_item.html'):
if request.method == 'POST':
form = ItemForm(request,data=request.POST)
if form.is_valid():
form.save(pk)
return HttpResponseRedirect("/jizhang")
else:
item_list = get_object_or_404(Item, id=pk)
form = ItemForm(request,instance=item_list)
return render(request, template_name,{'form':form})
def item(request,pk):
if request.method == 'POST':
form = ItemForm(request,data=request.POST)
if form.is_valid():
new_item = form.save()
new_item.id=pk
new_item.save()
return HttpResponseRedirect("/jizhang")
else:
item_list = get_object_or_404(Item, id=pk)
form = ItemForm(request,instance=item_list)
most_used_categorys = Category.objects.filter(user__username=request.user.username).annotate(num_items=Count('item')).filter(num_items__gt=0).order_by('-num_items')[:6]
context = {'form':form,'username':request.user.username,'most_used_categorys':most_used_categorys}
return render_to_response('jizhang/new_item.html',RequestContext(request,context))
def new_item(request):
other_error = ''
if request.method == 'POST' and request.is_ajax():
print(request.POST)
form = ItemForm(request, data=request.POST.copy()) # 提交的数据构建该用户的表单对象
if form.is_valid(): # 数据经过基本验证
clean_data = form.cleaned_data # 验证过的数据
try:
category = Category.objects.get(id=int(
clean_data['category'])) # 从数据库中获取该分类
except Category.DoesNotExist:
form.add_error('category', '该分类已经不存在') # 某些异常
else:
pub_date = clean_data['pub_date']
price = clean_data['price']
comment = clean_data['comment']
new_item = Item(pub_date=pub_date,
category=category,
price=price,
comment=comment) # 通过Item模型将数据保存到数据库
new_item.save()
print('Item创建成功')
in_json = json.dumps([True, {}]) # 返回操作状态，成功
return HttpResponse(in_json, content_type='application/json')
in_json = json.dumps([False, form.errors]) # 错误
return HttpResponse(in_json,
content_type='application/json') # 表单验证不通过，返回错误信息
else:
form = ItemForm(request)
return render(request, "jizhang/new_item.html", {
'form': form,
'other_error': other_error
})
def edit_item(request, item_id):
'''
1、修改的记录id是item_id
2、获取该记录
3、使用提交的数据更新该记录
'''
other_error = ""
try:
modify_item = Item.objects.get(id=item_id)
except Item.DoesNotExist:
pass
else:
if request.method == 'POST' and request.is_ajax():
form = ItemForm(request, data=request.POST.copy()) # 使用提交的数据构建表单
if form.is_valid(): # 如果数据格式正确
clean_data = form.cleaned_data # 验证过的数据
c_id = int(clean_data['category'])
try:
category = Category.objects.get(id=c_id) # 分类不存在将抛出异常
except Category.DoesNotExist:
form.add_error('category', '该分类已经不存在')
else:
modify_item.pub_date = clean_data['pub_date']
modify_item.category = category
modify_item.price = clean_data['price']
modify_item.comment = clean_data['comment']
try:
modify_item.save()
except Exception:
other_error = "修改保存时发生异常"
else:
print('Item修改成功')
in_json = json.dumps([True, {}]) # 返回成功操作的结果
return HttpResponse(in_json,
content_type='application/json')
else:
in_json = json.dumps([False, form.errors]) # 返回错误操作的结果
return HttpResponse(
in_json, content_type='application/json') # 表单验证不通过，返回错误信息
else: # 构建待修改账单的表单
pub_date = modify_item.pub_date
category = modify_item.category.id
price = modify_item.price
comment = modify_item.comment
form = ItemForm(request,
data={
'pub_date': pub_date,
'category': category,
'price': price,
'comment': comment
})
return render(request, 'jizhang/new_item.html', {
'form': form,
'other_error': other_error
})
def new_item(request, template_name='jizhang/new_item.html'):
if request.method == 'POST':
form = ItemForm(request, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect("/jizhang")
else:
form = ItemForm(request, initial={'pub_date': timezone.now().date()})
return render(request, template_name, {'form': form})
def edit_item(request, pk, template_name='jizhang/new_item.html'):
if request.method == 'POST':
form = ItemForm(request, data=request.POST)
if form.is_valid():
form.save(pk)
return HttpResponseRedirect("/jizhang")
else:
item_list = get_object_or_404(Item, id=pk)
form = ItemForm(request, instance=item_list)
return render(request, template_name, {'form': form})