update. 完成前端页面展示、列表和详情页

update. 调整融合主菜单与板块
update. 分离新闻模块

base/admin.py

@@ -1,24 +1,67 @@
 from django.contrib import admin
-from django.utils.html import format_html
+from import_export.admin import ImportExportModelAdmin
 
-from article.models import Section, Carousel, Article, Notice, NoticeReceipt
-from base.models import MainMenu, FooterLink
-from users.models import User
+from base.models import MainMenu, FooterLink, LinkCategory, FriendLink
 
 
 # —————— 主菜单 ——————
 @admin.register(MainMenu)
-class MainMenuAdmin(admin.ModelAdmin):
-    list_display = ('title', 'url', 'parent', 'order', 'visible')
+class MainMenuAdmin(ImportExportModelAdmin):
+    list_display = ('display_name', 'code', 'url', 'parent', 'order', 'visible')
     list_editable = ('order', 'visible')
     list_filter = ('parent', 'visible')
     search_fields = ('title', 'url')
-    ordering = ('order',)
+    ordering = ('id',)
+
+    def display_name(self, obj):
+        """在列表中显示层级缩进"""
+        if obj.is_sub:
+            return f"  └─ {obj.title}"  # 使用全角空格+符号模拟缩进
+        return obj.title
+
+    display_name.short_description = '板块名称'
+    display_name.admin_order_field = 'name'
+
+    def is_enabled(self, obj):
+        return obj.enabled
+
+    is_enabled.boolean = True
+    is_enabled.short_description = '启用'
+
+    def formfield_for_foreignkey(self, db_field, request, **kwargs):
+        """限制 parent 只能选择主板块（无父级的板块）"""
+        if db_field.name == "parent":
+            kwargs["queryset"] = MainMenu.objects.filter(parent__isnull=True, is_external=False)
+        return super().formfield_for_foreignkey(db_field, request, **kwargs)
+
+    def get_queryset(self, request):
+        """优化查询，避免 N+1"""
+        return super().get_queryset(request).select_related('parent')
+
+
+# 1. 注册分类管理
+@admin.register(LinkCategory)
+class LinkCategoryAdmin(ImportExportModelAdmin):
+    list_display = ('name', 'code', 'order', 'is_active')
+    list_editable = ('order', 'is_active')
+
+
+# 2. 注册链接管理
+@admin.register(FriendLink)
+class FriendLinkAdmin(ImportExportModelAdmin):
+    list_display = ('name', 'category', 'url', 'order', 'is_active')
+    list_filter = ('category', 'is_active')  # 左侧过滤器，方便筛选
+    search_fields = ('name', 'url')
+
+    # 优化：在添加链接时，只显示启用的分类
+    def formfield_for_foreignkey(self, db_field, request, **kwargs):
+        if db_field.name == "category":
+            kwargs["queryset"] = LinkCategory.objects.filter(is_active=True)
+        return super().formfield_for_foreignkey(db_field, request, **kwargs)
 
 
 # —————— 页脚链接 ——————
 @admin.register(FooterLink)
-class FooterLinkAdmin(admin.ModelAdmin):
-    list_display = ('title', 'url', 'order')
-    list_editable = ('order',)
-    ordering = ('order',)
+class FooterLinkAdmin(ImportExportModelAdmin):
+    list_display = ('title', 'address', 'unit', 'postal', 'telephone', 'fax', 'filing')
+    list_editable = ('postal', 'telephone', 'fax', 'unit', 'filing',)