我正在尝试使用 Django 为基于类的 View 创建一个简单的搜索表单。一切似乎都有效,除了搜索结果返回整个模型,所以显然搜索/过滤器不起作用。在阅读了这里的一堆教程和问题后,我无法弄清楚为什么。
models.py
:
class surveys(models.Model):
FAN = models.SlugField(max_length=100, blank=True, null=True)
Location = models.CharField(max_length=200, blank=True, null=True)
def __str__(self):
return self.FAN
def get_absolute_url(self):
return reverse('survey-detail', args=[str(self.FAN)])
views.py
:
class Search(generic.ListView):
template_name = 'datalibrary/search.html'
model = surveys
def get_queryset(self):
try:
name = self.kwargs['name']
except:
name = ''
if (name != ''):
object_list = self.model.objects.filter(FAN__icontains == name)
else:
object_list = ''
return object_list
class SearchResults(generic.ListView):
template_name = 'datalibrary/search_results.html'
model = surveys
search.html
:
{% extends "base_generic.html" %}
{% block content %}
<form method="get" action="/results/" class="navbar-form pull-right">
<input type="text" id="searchBox" class="input-medium search-query" name="search" placeholder="Search">
<input type="submit" class="btn" value="Search" >
</form>
{% endblock %}
search_results.html
:
{% extends "base_generic.html" %}
{% block content %}
{{ object_list }}
{% endblock %}
urls.py
:
urlpatterns +=[
path('search/', views.Search.as_view(), name='search'),
path('results/', views.SearchResults.as_view(), name='search-results'),
]
知道为什么 object_list
返回模型中的所有值,而不是根据输入进行过滤,即使没有输入也是如此?
最佳答案
你有name = self.kwargs['name'],它没有得到任何'name',对于搜索来说,更好的方法是将输入的名称作为查询并显示结果。
class Search(generic.ListView):
template_name = 'datalibrary/search.html'
context_object_name = 'all_search_results'
def get_queryset(self):
result = super(Search, self).get_queryset()
query = self.request.GET.get('search') #your input name is 'search'
if query:
object_list = surveys.objects.filter(FAN__icontains=query) #or FAN__contains
result = object_list
else:
result = None # When no result found
return result
在 HTML 中,
{% extends "base_generic.html" %}
{% block content %}
<form method="get" action="/results/" class="navbar-form pull-right">
<input type="text" id="searchBox" class="input-medium search-query" name="search" placeholder="Search">
<input type="submit" class="btn" value="Search" >
</form>
{% for result in all_search_results %}
{{result.add_according_to_the_model}}
{% empty %}
<p> No Results <p>
{% endfor %}
{% endblock %}
您可以在同一页面中显示搜索结果。但是,如果您需要,那么您可以使用不同的 html。
关于python - Django 搜索表单返回整个模型,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55172571/