django admin check_list 显示标签

class DemoAdmin(admin.ModelAdmin):
    def queryset(self, request):
        qs = super(DemoAdmin, self).queryset(request)
        return qs

    list_display = ('ColName1','ColName2','ColName3')
    list_per_page = 20
    search_fields = ['ColName2']  #查询的条件
    list_filter = ('ColName3', )    #过滤器
    date_hierarchy = 'ColName1'   #时间列表

Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last): File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\threading.py", line 1016, in _bootstrap_inner self.run() File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 126, in inner_run autoreload.raise_last_exception() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 87, in raise_last_exception raise _exception[1] File "D:\新书籍推荐系统\.venv\lib\site-packages\django\core\management\__init__.py", line 394, in execute autoreload.check_errors(django.setup)() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\apps\registry.py", line 124, in populate app_config.ready() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\apps.py", line 27, in ready self.module.autodiscover() File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\__init__.py", line 52, in autodiscover autodiscover_modules("admin", register_to=site) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\utils\module_loading.py", line 58, in autodiscover_modules import_module("%s.%s" % (app_config.name, module_to_search)) File "C:\Users\YANGRENJIE\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "D:\新书籍推荐系统\myApp\admin.py", line 38, in <module> class BookAdmin(admin.ModelAdmin): File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\decorators.py", line 107, in _model_admin_wrapper admin_site.register(models, admin_class=admin_class) File "D:\新书籍推荐系统\.venv\lib\site-packages\django\contrib\admin\sites.py", line 125, in register raise AlreadyRegistered(msg) django.contrib.admin.exceptions.AlreadyRegistered: The model booklist is already registered with 'myApp.DbBooks'.
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03-12
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