Date.prototype.format = function(fmt) {
	var o = {
		"M+": this.getMonth() + 1, //月份
		"d+": this.getDate(), //日
		"h+": this.getHours(), //小时
		"m+": this.getMinutes(), //分
		"s+": this.getSeconds(), //秒
		"q+": Math.floor((this.getMonth() + 3) / 3), //季度
		"S": this.getMilliseconds() //毫秒
	};

	if (/(y+)/.test(fmt)) {
		fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	}

	for (var k in o) {
		if (new RegExp("(" + k + ")").test(fmt)) {
			fmt = fmt.replace(
				RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
		}
	}

	return fmt;
}

// import time from "@/common/time.js"

// console.log(new Date().format("yyyy-MM-dd"))


export const getNextDate = (date, day) => {
	var dd = new Date(date);
	dd.setDate(dd.getDate() + day);
	var y = dd.getFullYear();
	var m = dd.getMonth() + 1 < 10 ? "0" + (dd.getMonth() + 1) : dd.getMonth() + 1;
	var d = dd.getDate() < 10 ? "0" + dd.getDate() : dd.getDate();
	return y + "-" + m + "-" + d;
}

// getNextDate("2018-09-27",10)


// 计算两个日期时间差，天 小时 分 秒格式
export const diffTime = (startDate, endDate) => {
	startDate = new Date(startDate);
	endDate = new Date(endDate);
	var diff = endDate.getTime() - startDate.getTime(); //时间差的毫秒数 

	//计算出相差天数 
	var days = Math.floor(diff / (24 * 3600 * 1000));

	//计算出小时数 
	var leave1 = diff % (24 * 3600 * 1000); //计算天数后剩余的毫秒数 
	var hours = Math.floor(leave1 / (3600 * 1000));
	//计算相差分钟数 
	var leave2 = leave1 % (3600 * 1000); //计算小时数后剩余的毫秒数 
	var minutes = Math.floor(leave2 / (60 * 1000));

	//计算相差秒数 
	var leave3 = leave2 % (60 * 1000); //计算分钟数后剩余的毫秒数 
	var seconds = Math.round(leave3 / 1000);

	// var returnStr = seconds + "秒"; 
	// if(minutes>0) { 
	//     returnStr = minutes + "分" + returnStr; 
	// } 
	// if(hours>0) { 
	//     returnStr = hours + "小时" + returnStr; 
	// } 
	// if(days>0) { 
	//     returnStr = days + "天" + returnStr; 
	// } 
	// return returnStr; 

	var returnStr = seconds + " ";
	if (minutes >= 0) {
		returnStr = minutes + " " + returnStr;
	}
	if (hours >= 0) {
		returnStr = hours + " " + returnStr;
	}
	if (days >= 0) {
		returnStr = days + " " + returnStr;
	}
	return returnStr;
}

// var diffTimeShow = diffTime('2017-03-02 09:10','2017-03-17 04:10');

export const getCurrentDate = () => {
	var myDate = new Date();
	var year = myDate.getFullYear(); //年
	var month = myDate.getMonth() + 1; //月
	var day = myDate.getDate(); //日
	var days = myDate.getDay();
	switch (days) {
		case 1:
			days = '星期一';
			break;
		case 2:
			days = '星期二';
			break;
		case 3:
			days = '星期三';
			break;
		case 4:
			days = '星期四';
			break;
		case 5:
			days = '星期五';
			break;
		case 6:
			days = '星期六';
			break;
		case 0:
			days = '星期日';
			break;
	}

	return year + "年" + month + "月" + day + "日  " + days;
}