我正在尝试按照https://docs.djangoproject.com/en/dev/topics/pagination/中的示例使分页工作。我正在使用查询,似乎无法将查询数据传递给连续的页面。第一页按预期返回我的查询限制为 10 个结果,但下一页只返回一个空白表。
- 版本:Django 1.4.4 和 python 2.6.6
代码:
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
def search(request):
query_string = ''
found_entries = None
if ('q' in request.GET) and request.GET['q'].strip():
query_string = request.GET['q']
entry_query = get_query(query_string, ['id', 'address', 'itemcode', 'qty', 'description', 'metatags' ])
found_entries = inventory.objects.filter(entry_query).order_by('-qty')
paginator = Paginator(found_entries, 10) # Show 10 items per page
page = request.GET.get('page')
try:
found_entries = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
found_entries = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
found_entries = paginator.page(paginator.num_pages)
return render_to_response('dynamite_frontpage.html', {"found_entries": found_entries})
网址:
(r'^search/$', 'dynamite.views.search'),
当我排除查询并显示所有结果分页工作时,我的模板设置正确 - 例如:
def search(request):
found_entries = inventory.objects.all().order_by('-qty')
paginator = Paginator(found_entries, 10) # Show 10 items per page
page = request.GET.get('page')
try:
found_entries = paginator.page(page)
except PageNotAnInteger:
found_entries = paginator.page(1)
except EmptyPage:
found_entries = paginator.page(paginator.num_pages)
return render_to_response('dynamite_frontpage.html', {"found_entries": found_entries})
提前致谢。
搜索功能:
def normalize_query(query_string,
findterms=re.compile(r'"([^"]+)"|(\S+)').findall,
normspace=re.compile(r'\s{2,}').sub):
''' Splits the query string in invidual keywords, getting rid of unecessary spaces
and grouping quoted words together.
Example:
>>> normalize_query(' some random words "with quotes " and spaces')
['some', 'random', 'words', 'with quotes', 'and', 'spaces']
'''
return [normspace(' ', (t[0] or t[1]).strip()) for t in findterms(query_string)]
def get_query(query_string, search_fields):
''' Returns a query, that is a combination of Q objects. That combination
aims to search keywords within a model by testing the given search fields.
'''
query = None # Query to search for every search term
terms = normalize_query(query_string)
for term in terms:
or_query = None # Query to search for a given term in each field
for field_name in search_fields:
q = Q(**{"%s__icontains" % field_name: term})
if or_query is None:
or_query = q
else:
or_query = or_query | q
if query is None:
query = or_query
else:
query = query & or_query
return query