<div class="form-group pull-right" style="float: left">
                            <form action="" method="get">
                                <input name="q" type="text" value="" class="form-control" placeholder="请输入搜索条件"  id="nav-search-input" style="display: inline-block;width: 200px;"><button class="btn btn-primary btn-search">
                                    <span class="glyphicon glyphicon-search"></span>
                                </button></form>
                        </div>

        $(‘btn-search‘).click(function () {
            var keywords = $(‘#nav-search-input‘).val(),
                request_url = ‘‘;
            if (keywords == ‘‘) {
                return
            }
            request_url = ‘/index/?q=‘ +keywords;
            window.location.href = request_url
        });

def index(request):
    if not request.user.is_authenticated():
        return redirect(‘/login/‘)
    search_keywords = request.GET.get(‘q‘,‘‘)
    if search_keywords:
        product_list = Product.objects.filter(Q(product_keyword__contains=search_keywords)|Q(product_name__contains=search_keywords))
    else:
        product_list=Product.objects.all()
    paginator = Paginator(product_list,2)
    page_range = paginator.page_range
    num =request.GET.get(‘page‘,1)
    product_list = paginator.page(num)
    a = request.user
    return render(request, ‘index.html‘, {"num":int(num),"page_range":page_range,"product_list":product_list,"a":a,‘MEDIA_URL‘:settings.MEDIA_URL})