结构化输出

res = client.chat.completions.create(
    model="doubao-seed-2.1-pro",
    messages=[{"role": "user", "content": "从这句话里提取姓名和城市：张伟下周去杭州出差。"}],
    response_format={
        "type": "json_schema",
        "json_schema": {
            "name": "person",
            "schema": {
                "type": "object",
                "properties": {"name": {"type": "string"}, "city": {"type": "string"}},
                "required": ["name", "city"],
            },
        },
    },
)

response_format={"type": "json_object"}