from pydantic import BaseModel, Field, ValidationError

class User(BaseModel):
    name: str = Field(..., title="使用者名稱", min_length=2)
    age: int = Field(..., gt=0, le=150, description="年齡必須介於 1 到 150 之間")
    email: str

# 測試資料
try:
    user = User(name="Tim", age=30, email="tim@example.com")
    print(user.dict())  # 轉換為字典
except ValidationError as e:
    print(e)