views.py 文件源码

def get(self, request, *args, **kwargs):         
        codigo = kwargs['pk']
        orden = OrdenCompra.objects.get(pk=codigo)
        response = HttpResponse(content_type='application/pdf')
        #response['Content-Disposition'] = 'attachment; filename="orden_compra.pdf"'
        buffer = BytesIO()
        pdf = canvas.Canvas(buffer)  
        self.cabecera(pdf, orden)
        y=300
        self.detalle(pdf, y, orden)        
        self.otros(pdf, y, orden)
        self.cuadro_total(pdf, y, orden)
        self.cuadro_observaciones(pdf, y, orden)
        self.afectacion_presupuesta(pdf)
        pdf.setFont("Times-Roman", 8)
        pdf.drawString(115, y-250,"Elaborado por")
        pdf.drawString(430, y-250,"Autorizado por")
        pdf.line(70, y-240, 200, y-240)
        pdf.line(390, y-240, 520, y-240)
        pdf.drawCentredString(300, y-280, EMPRESA.direccion())
        pdf.showPage()    
        pdf.save()
        pdf = buffer.getvalue()
        buffer.close()
        response.write(pdf)
        return response