Django Endless Pagination - 显示当前结果数(不是页数)

时间:2012-10-31 18:39:22

标签: django django-endless-pagination

我正在使用django对搜索结果的无尽分页,我想在顶部创建一条消息,只是说明,例如:

showing 20 results of 124

甚至更好:

showing results 20 to 40 of 124

我认为没有办法在endless pagination documentation中获得当前的结果数量。你会怎么做?

4 个答案:

答案 0 :(得分:1)

解决方案:

使用 paginate 模板标记后,请调用{%get_pages%}并将总结果设置为如下变量:

{% paginate items %}
{% get_pages %}
{% with total=pages.total_count %}

<div>Total results: {{ total }}</div>

{% for item in items %}
 ...
{% endfor %}

{% endwith %}

答案 1 :(得分:1)

人们往往过于复杂。我在源代码中找到了current_start_index和current_end_index函数(但在实际文档中没有记录)。

以下是如何使用它们来实现这一目标。

{{pages.current_start_index}}至{{pages.current_end_index}} {{pages.total_count}}结果

希望这有助于某人:D

答案 2 :(得分:0)

我会这样做:

计算数据库中的条目总数,并传递给124的模板。然后使用分页限制来限制每页的总条目数。算一下,然后展示你想要的。

答案 3 :(得分:0)

我已经使用现有标记编写了我自己的自定义标记:

from endless_pagination import (
    settings,
    utils,
)


@register.inclusion_tag("endless_pagination/show_more.html", takes_context=True)
def show_more_with_counts(context, per_page_count, total_count, first_page_count=0,
    verb='enteries', loading=settings.LOADING, show_total_in_end=True):
    # This template tag could raise a PaginationError: you have to call
    # *paginate* or *lazy_paginate* before including the showmore template.
    data = utils.get_data_from_context(context)
    page = data['page']
    # show the template only if there is a next page
    if page.has_next():
        request = context['request']
        page_number = page.next_page_number()
        # Generate the querystring.
        querystring_key = data['querystring_key']
        querystring = utils.get_querystring_for_page(
            request, page_number, querystring_key,
            default_number=data['default_number'])
        curr_page_num = int(request.GET.get(querystring_key, 1))
        if curr_page_num == 1:
            if first_page_count:
                start = first_page_count + 1
            else:
                start = per_page_count + 1
        else:
            if first_page_count:
                start = (curr_page_num * per_page_count) - first_page_count
            else:
                start = (curr_page_num * per_page_count) + 1
        end = (per_page_count + start) - 1
        if end > total_count:
            end = total_count
        label = 'Load %(start)s to %(end)s of %(total)s %(verb)s' % {
            'start': start, 'end': end, 'total': total_count, 'verb': verb}
        return {
            'label': label,
            'loading': loading,
            'path': data['override_path'] or request.path,
            'querystring': querystring,
            'querystring_key': querystring_key,
            'request': request,
            'show_total_in_end': show_total_in_end,
        }
    else:
        if total_count > 0:
            return {
                'label': 'Showing %(start)s of %(end)s %(verb)s' % \
                    {'start': total_count, 'end': total_count, 'verb': verb},
                'show_total_in_end': show_total_in_end,
            }
        else:
            return {}

此外,我还关注了show_more.html模板:

{% load i18n %}
{% if querystring %}
    <div class="endless_container">
        <a class="endless_more" href="{{ path }}{{ querystring }}"
            rel="{{ querystring_key }}" style="font-size: 11px; color: #c13923;">{{ label }}</a>
        <div class="endless_loading" style="display: none;">{{ loading|safe }}</div>
    </div>
{% elif show_total_in_end %}
    <a href="#" style="text-decoration: none; color: #999; cursor:default; font-size: 11px;" onclick='return false;'>{{ label }}</a>
{% endif %}

使用方法:

{% show_more_with_counts 10 qs_count verb='users' %}
# it will say `Load 1 to 10 of 100 users` for first page
# it will say `Load 11 to 20 of 100 users` for 2nd page, and so on

您必须传递per_page_count,查询集或列表total_count中的对象总数以及要使用的verb