[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmcyNANb_N0HW24mgCAtN0zAQxwbL5EZppB2jaNsosnM":3},[4],{"slug":5,"title":6,"description":7,"pub_date":8,"tags":9,"draft":14},"python-dataclass-pydantic","Python dataclass vs Pydantic：数据类选型指南","dataclass 是标准库的轻量选择，Pydantic v2 是带验证的重武器，什么时候用哪个，这篇说清楚。","2026-05-03",[10,11,12,13],"python","dataclass","pydantic","数据验证",false]