42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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from fastapi import Query
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class PaginationQueryParam:
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"""分页查询参数基类"""
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def __init__(
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self,
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page_no: int = Query(default=1, description="当前页码", ge=1),
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page_size: int = Query(default=10, description="每页数量", ge=1, le=100),
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order_by: str | None = Query(default=None, description="排序字段,格式:field1,asc;field2,desc"),
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) -> None:
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"""
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初始化分页查询参数。
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参数:
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- page_no (int | None): 当前页码，默认 None。
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- page_size (int | None): 每页数量，默认 None，最大 100。
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- order_by (str | None): 排序字段，格式 'field,asc;field2,desc'。
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返回:
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- None
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"""
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self.page_no = page_no
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self.page_size = page_size
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# 将字符串格式的order_by转换为服务层需要的List[Dict[str, str]]格式
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if order_by:
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try:
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self.order_by = []
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for item in order_by.split(';'):
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if item.strip():
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field, direction = item.split(',', 1)
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self.order_by.append({field.strip(): direction.strip().lower()})
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except ValueError:
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# 如果解析失败，使用默认排序
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self.order_by = [{'updated_time': 'desc'}]
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else:
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self.order_by = [{'updated_time': 'desc'}]
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