Javascript 生成pdf后重定向

Javascript 生成pdf后重定向,javascript,python,django,Javascript,Python,Django,我在表单提交后生成一个pdf,我想重定向到“pdf已生成”或用表单重新加载页面。我不知道如何做到这一点,我想可以用javascript/jquery实现,但我没有找到一种方法 这是生成pdf的视图: def myview(response): resp = HttpResponse(content_type='application/pdf') result = generate_pdf('my_template.html', file_object=resp) retu

我在表单提交后生成一个pdf,我想重定向到“pdf已生成”或用表单重新加载页面。我不知道如何做到这一点,我想可以用javascript/jquery实现,但我没有找到一种方法

这是生成pdf的视图:

def myview(response):
    resp = HttpResponse(content_type='application/pdf')
    result = generate_pdf('my_template.html', file_object=resp)
    return result

首先创建成功视图:

def pdf_success(request):
    return render_to_response('pdf_success.html', {},
                              context_instance=RequestContext(request))
然后在成功后执行重定向:

def myview(response):
    resp = HttpResponse(content_type='application/pdf')
    result = generate_pdf('my_template.html', file_object=resp)
    if result:
        return HttpResponseRedirect('/url/to/success/view')
为了给你一个想法,你可以创建一个定制的装饰器

 from functools import wraps
 from django.http import HttpResponsePermanentRedirect, HttpResponseRedirect

def redirect(url):
    """
    Executes a HTTP 302 redirect after the view finishes processing. If a value is 
    returned, it is ignored. Allows for the view url to be callable so the
    reverse() lookup can be used.

    @redirect('http://www.google.com/')
    def goto_google(request):
        pass

    @redirect(lambda: reverse('some_viewname'))
    def do_redirect(request):
        ...

    """
    def outer(f):
        @wraps(f)
        def inner(request, *args, **kwargs):
            f(request, *args, **kwargs)
            return HttpResponseRedirect(url if not callable(url) else url())
        return inner
    return outer




def permanent_redirect(url):
    """
    Executes a HTTP 301 (permanent) redirect after the view finishes processing. If a
    value is returned, it is ignored. Allows for the view url to be callable so the
    reverse() lookup can be used.

    @permanent_redirect('/another-url/')
    def redirect_view(request):
        ...

    @redirect(lambda: reverse('some_viewname'))
    def do_redirect(request):
        ...

    """
    def outer(f):
        @wraps(f)
        def inner(request, *args, **kwargs):
            f(request, *args, **kwargs)
            return HttpResponsePermanentRedirect(url if not callable(url) else url())
        return inner
    return outer
您可以通过下一种方式使用其中任何一种:

@redirect('http://stackoverflow.com')
def myview(response):
    resp = HttpResponse(content_type='application/pdf')
    result = generate_pdf('my_template.html', file_object=resp)
    return result
或:


在创建PDF文件时不能从同一视图重定向,一个选项是先发送成功页面,然后开始下载

你的成功观:

def pdf_success(request):
    # View stuff
    return render_to_response('pdf.html', {}, context_instance=ctx)
您需要将其添加到您的
pdf.html
模板中:

<meta http-equiv="REFRESH" content="0;url={% url "myview" %}">


我尝试了给定的解决方案,但没有成功。视图在未生成pdf的情况下被重定向。您尝试过我的解决方案吗?是的,但我无法解决问题。
<meta http-equiv="REFRESH" content="0;url={% url "myview" %}">