/**
 * Get the number of week for a specific day in a year. It will return 1 to 53.
 */

// 方法 1
export function weekOfYear(year: number, month: number, day: number) {const startDate = new Date(year, 0, 1);const currentDate = new Date(year, month - 1, day);var days = Math.floor((currentDate.getTime() - startDate.getTime()) / (24 * 60 * 60 * 1000));return Math.ceil(days / 7);
}// 方法 2
import * as moment from 'moment';
export function weekOfMonth(year: number, month: number, day: number) {const date = new Date(year, month - 1, day);return parseInt(moment(date).format('W'));
}