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from django.contrib import admin
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from django.urls import reverse
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from django.utils.html import format_html
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from django.utils.translation import gettext_lazy as _
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# 批量禁用评论(将 is_enable 设为 False)
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def disable_commentstatus(modeladmin, request, queryset):
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queryset.update(is_enable=False)
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# 批量启用评论(将 is_enable 设为 True)
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def enable_commentstatus(modeladmin, request, queryset):
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queryset.update(is_enable=True)
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# 定义动作名称,在 Django Admin 批量操作菜单中显示的文字
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disable_commentstatus.short_description = _('Disable comments')
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enable_commentstatus.short_description = _('Enable comments')
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class CommentAdmin(admin.ModelAdmin):
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# 每页显示评论数量
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list_per_page = 20
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# 在评论列表中显示哪些字段
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list_display = (
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'id',
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'body', # 评论正文
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'link_to_userinfo', # 用户信息(带链接)
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'link_to_article', # 所属文章(带链接)
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'is_enable', # 是否启用
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'creation_time' # 创建时间
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)
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# 可以点击哪些字段进入编辑页面
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list_display_links = ('id', 'body', 'is_enable')
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# 过滤器(后台右侧筛选功能)
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list_filter = ('is_enable',)
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# 排除不需要在后台编辑的字段(自动时间字段不应手动修改)
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exclude = ('creation_time', 'last_modify_time')
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# 批量操作按钮
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actions = [disable_commentstatus, enable_commentstatus]
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# 显示用户信息,并可点击跳转到用户编辑页面
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def link_to_userinfo(self, obj):
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# 获取目标 admin change 页面的 URL 路径
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info = (obj.author._meta.app_label, obj.author._meta.model_name)
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link = reverse('admin:%s_%s_change' % info, args=(obj.author.id,))
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# 显示用户昵称,若无昵称显示 email
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return format_html(
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'<a href="{}">{}</a>'.format(
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link,
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obj.author.nickname if obj.author.nickname else obj.author.email
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)
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)
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# 显示所属文章,并可点击跳转到文章编辑页面
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def link_to_article(self, obj):
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info = (obj.article._meta.app_label, obj.article._meta.model_name)
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link = reverse('admin:%s_%s_change' % info, args=(obj.article.id,))
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return format_html('<a href="{}">{}</a>'.format(link, obj.article.title))
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# 设置在后台列表中显示的列标题
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link_to_userinfo.short_description = _('User')
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link_to_article.short_description = _('Article')
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