admin_yxtsoft_ui/src/utils/index.js

/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
	if (arguments.length === 0 || !time) {
		return null
	}
	const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
	let date
	if (typeof time === 'object') {
		date = time
	} else {
		if ((typeof time === 'string')) {
			if ((/^[0-9]+$/.test(time))) {
				// support "1548221490638"
				time = parseInt(time)
			} else {
				// support safari
				// https://stackoverflow.com/questions/4310953/invalid-date-in-safari
				time = time.replace(new RegExp(/-/gm), '/')
			}
		}

		if ((typeof time === 'number') && (time.toString().length === 10)) {
			time = time * 1000
		}
		date = new Date(time)
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	}
	const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
		const value = formatObj[key]
		// Note: getDay() returns 0 on Sunday
		if (key === 'a') {
			return ['日', '一', '二', '三', '四', '五', '六'][value]
		}
		return value.toString().padStart(2, '0')
	})
	return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
	if (('' + time).length === 10) {
		time = parseInt(time) * 1000
	} else {
		time = +time
	}
	const d = new Date(time)
	const now = Date.now()

	const diff = (now - d) / 1000

	if (diff < 30) {
		return '刚刚'
	} else if (diff < 3600) {
		// less 1 hour
		return Math.ceil(diff / 60) + '分钟前'
	} else if (diff < 3600 * 24) {
		return Math.ceil(diff / 3600) + '小时前'
	} else if (diff < 3600 * 24 * 2) {
		return '1天前'
	}
	if (option) {
		return parseTime(time, option)
	} else {
		return (
			d.getMonth() +
			1 +
			'月' +
			d.getDate() +
			'日' +
			d.getHours() +
			'时' +
			d.getMinutes() +
			'分'
		)
	}
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
	const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
	if (!search) {
		return {}
	}
	const obj = {}
	const searchArr = search.split('&')
	searchArr.forEach(v => {
		const index = v.indexOf('=')
		if (index !== -1) {
			const name = v.substring(0, index)
			const val = v.substring(index + 1, v.length)
			obj[name] = val
		}
	})
	return obj
}


export function getDateRang(val) {
	const now = new Date(); // 当前日期
	const nowDayOfWeek = now.getDay(); // 今天本周的第几天
	const nowDay = now.getDate(); // 当前日
	const nowMonth = now.getMonth(); // 当前月
	const nowYear = now.getFullYear(); // 当前年
	const jd = Math.ceil((nowMonth + 1) / 3);
	let startTime;
	let endTime;
	let customTime = [];
	switch (val) {
		case 'yesterday': // 昨日
			startTime = new Date(nowYear, nowMonth, nowDay - 1);
			endTime = new Date(nowYear, nowMonth, nowDay - 1);
			break;
		case 'week': // 本周
			startTime = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek);
			endTime = new Date(nowYear, nowMonth, nowDay + 6 - nowDayOfWeek);
			break;
		case 'pastWeek': // 近 7 日
			startTime = new Date(nowYear, nowMonth, nowDay - 6);
			endTime = new Date(nowYear, nowMonth, nowDay);
			break;
		case 'month': // 本月
			startTime = new Date(nowYear, nowMonth, 1);
			endTime = new Date(nowYear, nowMonth + 1, 0);
			break;
		case 'pastMonth': // 近 31 日
			startTime = new Date(nowYear, nowMonth, nowDay - 30);
			endTime = new Date(nowYear, nowMonth, nowDay);
			break;
		case 'quarter': // 本季度
			startTime = new Date(nowYear, (jd - 1) * 3, 1);
			endTime = new Date(nowYear, jd * 3, 0);
			break;
		case 'year': // 今年
			startTime = new Date(nowYear, 0, 1);
			endTime = new Date(nowYear, 11, 31);
			break;
		default: // 自定义时间
			customTime = val.split(' - ');
			break;
	}
	return customTime.length ? customTime : [formatDate(startTime), formatDate(endTime)];
	// return formatDate(startTime)
}

export function formatDate(date) {
	const y = date.getFullYear();
	let m = date.getMonth() + 1;
	m = m < 10 ? `0${m}` : m;
	let d = date.getDate();
	d = d < 10 ? `0${d}` : d;
	return `${y}-${m}-${d}`;
}

// 获取当前日期前后多少天的日期，多少天前传正数，多少天后传负数，今天传0，
// num为传入的数字， time为传入的指定日期，如果time不传，则默认为当前时间
export function getBeforeDate(num, time) {
	let n = num;
	let d = '';
	if (time) {
		d = new Date(time);
	} else {
		d = new Date();
	}
	let year = d.getFullYear();
	let mon = d.getMonth() + 1;
	let day = d.getDate();
	if (day <= n) {
		if (mon > 1) {
			mon = mon - 1;
		} else {
			year = year - 1;
			mon = 12;
		}
	}
	d.setDate(d.getDate() - n);
	year = d.getFullYear();
	mon = d.getMonth() + 1;
	day = d.getDate();
	let s = year + "-" + (mon < 10 ? ('0' + mon) : mon) + "-" + (day < 10 ? ('0' + day) : day);
	return s;
}

/**
 * 获取当前日期
 */
export function getCurrentDate() {
  let now = new Date();
  let year = now.getFullYear();
  let month = now.getMonth() + 1;
  let day = now.getDate();
  return year + "-" + month + "-" + day;
}