Javascript json.dump未将python列表转换为JS数组
当我试图将python列表传递给模板中的JavaScript时,它不会像预期的那样将列表解析为JS数组,而是返回这个Javascript json.dump未将python列表转换为JS数组,javascript,python,django,python-3.x,django-2.0,Javascript,Python,Django,Python 3.x,Django 2.0,当我试图将python列表传递给模板中的JavaScript时,它不会像预期的那样将列表解析为JS数组,而是返回这个[“杂货”、“衣服”、“外卖”、“酒精”],导致页面中断 view.py def labels(): category_labels = [] for item in Purchase.objects.order_by().values_list('type', flat=True).distinct(): category_labels.appen
[“杂货”、“衣服”、“外卖”、“酒精”]
,导致页面中断
view.py
def labels():
category_labels = []
for item in Purchase.objects.order_by().values_list('type', flat=True).distinct():
category_labels.append(item)
return category_labels
def index(request):
try:
purchases = Purchase.objects.all().order_by('-time')
total_spending = round(Purchase.objects.aggregate(Sum('amount'))['amount__sum'], 2)
except Purchase.DoesNotExist:
raise Http404("Could not find any purchases.")
context = {
'purchases': purchases,
'total_spending': total_spending,
'spending_by_category': prepare_total_spending(),
'total_spending_all_categories': total_spending_all_categories(),
'labels': json.dumps(labels()),
}
return render(request, 'main/index.html', context)
index.html
<script type="text/javascript">
console.log(JSON.parse("{{labels}}"))
# => converts this to console.log(["Groceries", "Clothing", "Takeaways", "Alcohol"]) in JS and breaks.
</script>
log(JSON.parse(“{{labels}}”))
#=>将其转换为JS和Break中的console.log([“杂货”、“衣服”、“外卖”、“酒精”)。
由@Klaus D.
{{labels | safe}}}
图例解决。真的谢谢你@KLegend。检查了这些货物的装载量。这是将简单的Python列表放入Javascript的唯一方法
{{labels | safe}}