Django学习笔记之为Model添加Action

class Story(models.Model):

#编辑Story状态
  STATUS_CHOICES = (
    (1, '待编辑状态'),
    (2, '待批准状态'),
    (3, '已发布状态'),
    (4, '已存档'),
  )


  title = models.CharField(max_length=100, verbose_name=u'文章')
  slug = models.SlugField(verbose_name=u'简短标题')
  category =models.ForeignKey(Category, verbose_name=u'分类')
  owner = models.ForeignKey(User, verbose_name=u'发布者')
  status = models.IntegerField(choices=STATUS_CHOICES, default=1, verbose_name=u'发布状态')

  
  class Meta:
      ordering = ['modified','created']
      verbose_name_plural = verbose_name = '文章'


  def __str__(self):
    return self.title

class StoryAdmin(admin.ModelAdmin):
  list_display = ('title', 'owner', 'status', 'created', 'modified','read_times','top', 'id')
  search_fields = ('title', 'markdown_content')
  # 状态选择器
  list_filter = ('status', 'owner', 'created', 'modified',)
  prepopulated_fields = {'slug': ('title',)}
  actions = ['make_story_public']

  def make_story_public(self, request, queryset):
    # queryset参数为选中的Story对象
    rows_updated = queryset.update(status=3)
    message_bit = "%s 篇文章" % rows_updated
    self.message_user(request, "%s 已成功标记为已发布状态." % message_bit)
  make_story_public.short_description = u'修改选中文章为已发布状态'