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[英]how can we use more than one class object attributes of one model in another model in Django
[英]Can I use more than one slug field for a model on Django?
我想使用一个slug来引用一个URL。 尽管如此,我要使用的模型是针对中文词汇测验设计的,并且我想使用3种不同的词条来引用URL。
那我有一个模特
models.py
from django.db import models
from django.db.models import permalink
from django.template.defaultfilters import slugify
from unidecode import unidecode
class Vocabulary( models.Model ):
title = models.CharField(" Title ", max_length = 100 )
vocabularyCharacter = models.CharField("Character", max_length = 100, blank = True, null = True )
vocabularyTranslation = models.CharField("Translation", max_length = 100, blank = True, null = True )
vocabularyPinyin = models.CharField("Pinyin", max_length = 100, blank = True, null = True )
vocabularyCharacterSlug = models.SlugField( "Character Slug (optional)", max_length = 100, blank = True, null = True )
vocabularyTranslationSlug = models.SlugField("Translation Slug (optional)", max_length = 100, blank = True, null = True )
vocabularyPinyinSlug = models.SlugField("Pinyin Slug (optional)", max_length = 100, blank = True, null = True )
audio_file = models.FileField("Audio file (optional)", upload_to = u'resources/mp3/', max_length=200, blank = True, null=True)
description = models.TextField("Description ", blank = True, null = True )
class Meta:
verbose_name = 'vocabulary'
verbose_name_plural = 'vocabularies'
def __unicode__( self ):
return u"%s" % self.title
def save( self, force_insert = False, force_update = False ):
self.vocabularyCharacterSlug = slugify(unidecode(self.vocabularyCharacter))
self.vocabularyTranslationSlug = slugify(unidecode(self.vocabularyTranslation))
self.vocabularyPinyinSlug = slugify(unidecode(self.vocabularyPinyin))
super( Vocabulary, self ).save( force_insert, force_update )
@permalink
def get_absolute_vocabulary_character_url( self ):
return ( 'vocabulary_character_detail', None, {
'vocabularyCharacterSlug': self.vocabularyCharacterSlug,
} )
@permalink
def get_absolute_vocabulary_traslation_url( self ):
return ( 'vocabulary_traslation_detail', None, {
'vocabularyTranslationSlug': self.vocabularyTranslationSlug,
} )
@permalink
def get_absolute_vocabulary_pinyin_url( self ):
return ( 'vocabulary_pinyin_detail', None, {
'vocabularyPinyinSlug': self.vocabularyPinyinSlug,
} )
然后,我对此模型有一个看法
view.py
from django.shortcuts import get_object_or_404, render_to_response
from core.vocabulary.models import Vocabulary
def vocabulary_character_detail( request, vocabularyCharacterSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyCharacterSlug = vocabularyCharacterSlug )
return render_to_response( 'vocabulary/vocabulary_character_detail.html',
{'vocabulary': vocabulary} )
def vocabulary_translation_detail( request, vocabularyTranslationSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyTranslationSlug = vocabularyTranslationSlug )
return render_to_response( 'vocabulary/vocabulary_translation_detail.html',
{'vocabulary': vocabulary} )
def vocabulary_pinyin_detail( request, vocabularyPinyinSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyPinyinSlug = vocabularyPinyinSlug )
return render_to_response( 'vocabulary/vocabulary_pinyin_detail.html',
{'vocabulary': vocabulary} )
另外,我有这个网址文件
urls.py
from django.conf.urls import patterns, url
from core.vocabulary.views.vocabulary import vocabulary_character_detail
from core.vocabulary.views.vocabulary import vocabulary_translation_detail, vocabulary_pinyin_detail
urlpatterns = patterns( '',
url( r'^(?P<vocabularyCharacterSlug>[-\w]+)/$',
vocabulary_character_detail,
name = 'vocabulary_character' ),
url( r'^(?P<vocabularyTranslationSlug>[-\w]+)/$',
vocabulary_translation_detail,
name = 'vocabulary_translation' ),
url( r'^(?P<vocabularyPinyinSlug>[-\w]+)/$',
vocabulary_pinyin_detail,
name = 'vocabulary_pinyin' ),
)
我创建了相应的模板,我可以访问网址
url( r'^(?P<vocabularyCharacterSlug>[-\w]+)/$',
vocabulary_character_detail,
name = 'vocabulary_character' ),
而另外2个,我收到一条错误消息,说
没有词汇匹配给定的查询。
Django是否仅支持模型的一个lug字段?
如果Django支持多个子弹字段,我会缺少什么?
为什么不将您的视图指向其他目录?
urlpatterns = patterns( '',
url( r'^character/(?P<vocabularyCharacterSlug>[-\w]+)/$',
vocabulary_character_detail,
name = 'vocabulary_character' ),
url( r'^translation/(?P<vocabularyTranslationSlug>[-\w]+)/$',
vocabulary_translation_detail,
name = 'vocabulary_translation' ),
url( r'^pinyin/(?P<vocabularyPinyinSlug>[-\w]+)/$',
vocabulary_pinyin_detail,
name = 'vocabulary_pinyin' ),
)
模型:
def vocabulary_character_detail( request, vocabularyCharacterSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyCharacterSlug = vocabularyCharacterSlug )
return render_to_response( 'vocabulary/character/vocabulary_character_detail.html',
{'vocabulary': vocabulary} )
def vocabulary_translation_detail( request, vocabularyTranslationSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyTranslationSlug = vocabularyTranslationSlug )
return render_to_response( 'vocabulary/translation/vocabulary_translation_detail.html',
{'vocabulary': vocabulary} )
def vocabulary_pinyin_detail( request, vocabularyPinyinSlug ):
vocabulary = get_object_or_404( Vocabulary, vocabularyPinyinSlug = vocabularyPinyinSlug )
return render_to_response( 'vocabulary/pinyin/vocabulary_pinyin_detail.html',
{'vocabulary': vocabulary}
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