---
title: "模型"
version: 3.0
locale: zh-hans
source: https://docs.djangoproject.com/zh-hans/3.0/ref/models/
canonical: https://djangodocs.dev/zh-hans/3.0/ref/models/
---
# 模型

Model API reference. For introductory material, see [模型](/zh-hans/3.0/topics/db/models/).

- [模型字段参考](/zh-hans/3.0/ref/models/fields/)
- [Field attribute reference](/zh-hans/3.0/ref/models/fields/#field-attribute-reference)
- [Model index reference](/zh-hans/3.0/ref/models/indexes/)
- [Constraints reference](/zh-hans/3.0/ref/models/constraints/)
- [Model `_meta` API](/zh-hans/3.0/ref/models/meta/)
- [关系对象参考](/zh-hans/3.0/ref/models/relations/)
- [Model class reference](/zh-hans/3.0/ref/models/class/)
- [Model `Meta` options](/zh-hans/3.0/ref/models/options/)
- [Model instance reference](/zh-hans/3.0/ref/models/instances/)
- [`QuerySet` API reference](/zh-hans/3.0/ref/models/querysets/)
- [Lookup API reference](/zh-hans/3.0/ref/models/lookups/)
- [Query Expressions](/zh-hans/3.0/ref/models/expressions/)
- [Conditional Expressions](/zh-hans/3.0/ref/models/conditional-expressions/)
- [Database Functions](/zh-hans/3.0/ref/models/database-functions/)