Django DetailView 找不到基于 SLUG 的对象

Question

模型.py

class Tag(models.Model):
    name = models.CharField(max_length=64, unique=True)     
    slug = models.SlugField(max_length=255, unique=True)

    def save(self, *args, **kwargs):
        self.slug = slugify(self.name)
        super(Tag, self).save(*args, **kwargs)

urls.py

url(r'^tag/(?P<slug>[A-Za-z0-9_\-]+)/$',
    TagDetailView.as_view(),
    name='tag_detail'),      

View .py

class TagDetailView(DetailView):
    model = Tag
    template_name = 'tag_detail_page.html'
    context_object_name = 'tag'

这给了我一个 404:

Page not found (404)
http://localhost:9999/tag/RandomTag/
No tag found matching the query

为什么 Django 无法根据 slug 字段获取正确的对象？

Answer 1

Django 的 slugify 方法:

Converts to lowercase, removes non-word characters (alphanumerics and underscores) and converts spaces to hyphens. Also strips leading and trailing whitespace.

您正在寻找 Camel Case 的标签:

http://localhost:9999/tag/RandomTag/

你需要使用小写:

http://localhost:9999/tag/randomtag/  # or `random-tag` depending on the name

检查您的数据库以确切了解 slug已保存