擅长:python、mysql、java
<p>我建议您在views.py中进行计算,将它们保存到变量中,然后将其传递给模板</p>
<p>假设你的</p>
<p>保存在变量<code>cart_dict</code>中:</p>
<pre><code> total_price=0
for product in cart_dict:
total_price = total_price + (float(product['quantity']) * float(product['price']))
context = {"cart_dict: cart_dict, "total_price": total_price }
return render(request, 'cart_detail.html', context)
</code></pre>