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获取“前几天”的日期范围
import { getDateRangeBefore } from '@base-web-kits/base-tools-ts'; // 若今天为 2025-11-19: getDateRangeBefore(1); // ['2025-11-18', '2025-11-19'] getDateRangeBefore(1, 'YYYY-MM-DD HH:mm:ss'); // ['2025-11-18 00:00:00', '2025-11-19 23:59:59']