擅长:python、mysql、java
<p>问题是<code>cliente</code>不是<code>Cliente</code>实例,而是实例的查询集。每个<code>factura</code>只有一个<code>cliente</code>,因此可以执行以下操作:</p>
<pre><code>def verFactura(request, id_factura):
fact = Factura.objects.get(pk = id_factura)
cliente = Cliente.objects.get(factura = fact) # use `get` instead of `filter`
template = 'verfacturas.html'
extra_context = dict()
extra_context['fact'] = fact
extra_context['cliente'] = cliente
return render_to_response(template, extra_context)
</code></pre>