编写后端

backend/app/models/user.py

@@ -0,0 +1,28 @@
+"""
+用户模型
+"""
+import uuid
+from datetime import datetime
+from tortoise import fields, models
+
+
+class User(models.Model):
+    """用户模型"""
+
+    id = fields.UUIDField(pk=True, default=uuid.uuid4)
+    username = fields.CharField(max_length=50, unique=True, description="用户名")
+    email = fields.CharField(max_length=255, unique=True, description="邮箱")
+    password_hash = fields.CharField(max_length=255, description="密码哈希")
+    avatar = fields.CharField(max_length=500, null=True, description="头像URL")
+    bio = fields.TextField(null=True, description="个人简介")
+    is_active = fields.BooleanField(default=True, description="是否激活")
+    is_superuser = fields.BooleanField(default=False, description="是否超级用户")
+    created_at = fields.DatetimeField(auto_now_add=True, description="创建时间")
+    updated_at = fields.DatetimeField(auto_now=True, description="更新时间")
+
+    class Meta:
+        table = "users"
+        ordering = ["-created_at"]
+
+    def __str__(self):
+        return self.username