function formatDate(date) {
    let myyear = date.getFullYear();
    let mymonth = date.getMonth() + 1;
    let myweekday = date.getDate();
    if (mymonth < 10) {
        mymonth = "0" + mymonth;
    }
    if (myweekday < 10) {
        myweekday = "0" + myweekday;
    }

    return (myyear + "-" + mymonth + "-" + myweekday + " " + date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds());
}

function dateToTimestamp(dateStr = '') {
    return Date.parse(new Date(dateStr)) / 1000
}

function timestampToTime(timestamp) {
    let date = new Date(timestamp * 1000); //时间戳为10位需*1000,时间戳为13位的话不需乘1000
    Y = date.getFullYear() + '-';
    M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
    D = date.getDate();
    return Y + M + D;
}

function timeToString(time) {
    let d = new Date(time * 1000); //根据时间戳生成的时间对象
    return (d.getFullYear()) + "-" +
        (d.getMonth() + 1) + "-" +
        (d.getDate()) + " " +
        (d.getHours()) + ":" +
        (d.getMinutes()) + ":" +
        (d.getSeconds())
}

function getMonthDays(myMonth, time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let monthStartDate = new Date(nowYear, myMonth, 1);
    let monthEndDate = new Date(nowYear, myMonth + 1, 1);
    return (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24);
}

function getLastQuarterStartMonth(time) {
    let now = new Date(time * 1000); //当前日期
    let nowMonth = now.getMonth(); //当前月
    let quarterStartMonth = 0;
    if (nowMonth < 3) {
        quarterStartMonth = 9;
    }
    if (2 < nowMonth && nowMonth < 6) {
        quarterStartMonth = 0;
    }
    if (5 < nowMonth && nowMonth < 9) {
        quarterStartMonth = 3;
    }
    if (nowMonth > 8) {
        quarterStartMonth = 6;
    }
    return quarterStartMonth;
}

function getLastWeekStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowDayOfWeek = now.getDay() - 1; //今天本周的第几天
    let nowDay = now.getDate(); //当前日
    let nowMonth = now.getMonth(); //当前月
    let nowYear = now.getFullYear(); //当前年
    return formatDate(new Date(nowYear, nowMonth, nowDay - nowDayOfWeek - 7, 0, 0, 0));
}

function getLastWeekEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowDayOfWeek = now.getDay() - 1; //今天本周的第几天
    let nowDay = now.getDate(); //当前日
    let nowMonth = now.getMonth(); //当前月
    let nowYear = now.getFullYear(); //当前年
    return formatDate(new Date(nowYear, nowMonth, nowDay - nowDayOfWeek - 1, 23, 59, 59));
}

function getLastDayStartDate(time) {
    let now = new Date(time * 1000);
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, now.getDate() - 1, 0, 0, 0));
}

function getLastDayEndDate(time) {
    let now = new Date(time * 1000);
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, now.getDate() - 1, 23, 59, 59));
}

function getNextDayStartDate(time) {
    let now = new Date(time * 1000);
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, now.getDate() + 1, 0, 0, 0));
}

function getNextDayEndDate(time) {
    let now = new Date(time * 1000);
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, now.getDate() + 1, 23, 59, 59));
}

function getTodayEndDate(time) {
    let now = new Date(time * 1000);
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, now.getDate(), 23, 59, 59));
}

function getMonthStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    month = now.getMonth()
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, 1, 0, 0, 0));
}

function getMonthEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let month = now.getMonth();
    if (month == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, month, getMonthDays(month, time), 23, 59, 59));
}

function getLastMonthStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let lastMonthDate = new Date(time * 1000); //上月日期
    lastMonthDate.setDate(1);
    lastMonthDate.setMonth(lastMonthDate.getMonth() - 1);
    let lastMonth = lastMonthDate.getMonth();
    if (lastMonth == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, lastMonth, 1, 0, 0, 0));
}

function getLastMonthEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let lastMonthDate = new Date(time * 1000); //上月日期
    lastMonthDate.setDate(1);
    lastMonthDate.setMonth(lastMonthDate.getMonth() - 1);
    let lastMonth = lastMonthDate.getMonth();
    if (lastMonth == 11) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, lastMonth, getMonthDays(lastMonth, time), 23, 59, 59));
}

function getLastQuarterStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let quarterStartMonth = getLastQuarterStartMonth(time);
    if (quarterStartMonth == 9) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, quarterStartMonth, 1, 0, 0, 0));
}

function getLastQuarterEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let quarterStartMonth = getLastQuarterStartMonth(time);
    if (quarterStartMonth == 9) {
        nowYear = nowYear - 1;
    }
    return formatDate(new Date(nowYear, quarterStartMonth + 2, getMonthDays(quarterStartMonth + 2, time), 23, 59, 59));
}

function getLastYearStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear() - 1; //当前年
    return formatDate(new Date(nowYear, 0, 1, 0, 0, 0));
}

function getLastYearEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear() - 1; //当前年
    return formatDate(new Date(nowYear, 11, 31, 23, 59, 59));
}

function getYearEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    return formatDate(new Date(nowYear, 11, 31, 23, 59, 59));
}

function getNextQuarterStartMonth(time) {
    let now = new Date(time * 1000); //当前日期
    let nowMonth = now.getMonth(); //当前月
    let quarterStartMonth = 0;
    if (nowMonth < 3) {
        quarterStartMonth = 3;
    }
    if (2 < nowMonth && nowMonth < 6) {
        quarterStartMonth = 6;
    }
    if (5 < nowMonth && nowMonth < 9) {
        quarterStartMonth = 9;
    }
    if (nowMonth > 8) {
        quarterStartMonth = 0;
    }
    return quarterStartMonth;
}

function getNextWeekStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowDayOfWeek = now.getDay() - 1; //今天本周的第几天
    let nowDay = now.getDate(); //当前日
    let nowMonth = now.getMonth(); //当前月
    let nowYear = now.getFullYear(); //当前年
    return formatDate(new Date(nowYear, nowMonth, nowDay - nowDayOfWeek + 7, 0, 0, 0));
}

function getNextWeekEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowDayOfWeek = now.getDay() - 1; //今天本周的第几天
    let nowDay = now.getDate(); //当前日
    let nowMonth = now.getMonth(); //当前月
    let nowYear = now.getFullYear(); //当前年
    return formatDate(new Date(nowYear, nowMonth, nowDay - nowDayOfWeek + 13, 23, 59, 59));
}

function getNextMonthStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let lastMonthDate = new Date(time * 1000); //上月日期
    lastMonthDate.setDate(1);
    lastMonthDate.setMonth(lastMonthDate.getMonth() + 1);
    let lastMonth = lastMonthDate.getMonth();
    if (lastMonth == 11) {
        nowYear = nowYear + 1;
    }
    return formatDate(new Date(nowYear, lastMonth, 1, 0, 0, 0));
}

function getNextMonthEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let lastMonthDate = new Date(time * 1000); //上月日期
    lastMonthDate.setDate(1);
    lastMonthDate.setMonth(lastMonthDate.getMonth() + 1);
    let lastMonth = lastMonthDate.getMonth();
    if (lastMonth == 11) {
        nowYear = nowYear + 1;
    }
    return formatDate(new Date(nowYear, lastMonth, getMonthDays(lastMonth, time), 23, 59, 59));
}

function getNextQuarterStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let quarterStartMonth = getNextQuarterStartMonth(time);
    if (quarterStartMonth == 0) {
        nowYear = nowYear + 1;
    }
    return formatDate(new Date(nowYear, quarterStartMonth, 1, 0, 0, 0));
}

function getNextQuarterEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear(); //当前年
    let quarterStartMonth = getNextQuarterStartMonth(time);
    if (quarterStartMonth == 0) {
        nowYear = nowYear + 1;
    }
    return formatDate(new Date(nowYear, quarterStartMonth + 2, getMonthDays(quarterStartMonth + 2, time), 23, 59, 59));
}

function getNextYearStartDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear() + 1; //当前年
    return formatDate(new Date(nowYear, 0, 1, 0, 0, 0));
}

function getNextYearEndDate(time) {
    let now = new Date(time * 1000); //当前日期
    let nowYear = now.getFullYear() + 1; //当前年
    return formatDate(new Date(nowYear, 11, 31, 23, 59, 59));
}

calculatTime(timestamp) {
	let now = new Date().getTime()
	let date3 = now - timestamp * 1000; //时间差的毫秒数
	//计算出小时数
	let leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
	Hour = Math.floor(leave1 / (3600 * 1000))
	//计算相差分钟数
	let leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
	Minute = Math.floor(leave2 / (60 * 1000))
	//计算相差秒数
	let leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
	Second = Math.round(leave3 / 1000)
}

//实现一个月有几周以及每周开始时间和结束时间
function getweekdata(year, month) { //传入  年  月  获取当月有几周 以及日期 
    var new_year = year;    //取当前的年份
    var new_month = month++;//取下一个月的第一天,方便计算(最后一天不固定)
    var weekDay = ["星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期天"];

    if (month > 12) {
        new_month -= 12;        //月份减
        new_year++;            //年份增
    }
    var first_date = new Date(new_year, new_month, 1);                //取当年当月中的第一天-时间格式
    var last_Data = (new Date(first_date.getTime() - 1000 * 60 * 60 * 24)).getDate() //获取当月最后一天日期
    //console.log('最后一天日期'+last_Data+'号')
    //当月第一天是周几
    var firstzhouji = new Date(new_year + '/' + new_month + '/' + 1).getDay() == 0 ? '星期天' : weekDay[new Date(new_year + '/' + new_month + '/' + 1).getDay() - 1]
    //当月最后一天是周几
    var lastzhouji = new Date(new_year + '/' + new_month + '/' + last_Data).getDay() == 0 ? '星期天' : weekDay[new Date(new_year + '/' + new_month + '/' + last_Data).getDay() - 1]

    var firsttime = '' //第一周有几天
    if (firstzhouji == '星期一') { firsttime = 7 }
    if (firstzhouji == '星期二') { firsttime = 6 }
    if (firstzhouji == '星期三') { firsttime = 5 }
    if (firstzhouji == '星期四') { firsttime = 4 }
    if (firstzhouji == '星期五') { firsttime = 3 }
    if (firstzhouji == '星期六') { firsttime = 2 }
    if (firstzhouji == '星期天') { firsttime = 1 }
    //console.log('本月第一天“'+firstzhouji+'”本月第一周有“'+firsttime+'”天')

    var lasttime = '' //最后一周有几天
    if (lastzhouji == '星期一') { lasttime = 1 }
    if (lastzhouji == '星期二') { lasttime = 2 }
    if (lastzhouji == '星期三') { lasttime = 3 }
    if (lastzhouji == '星期四') { lasttime = 4 }
    if (lastzhouji == '星期五') { lasttime = 5 }
    if (lastzhouji == '星期六') { lasttime = 6 }
    if (lastzhouji == '星期天') { lasttime = 7 }
    // console.log('本月最后一天“'+lastzhouji+'”本月最后一周有“'+lasttime+'”天')

    // 前后两周  加上 剩余周数  得出总周数
    var contime = 2 + (last_Data - lasttime - firsttime) / 7

    //得出每周对应的日期
    var zhouArry = []


    for (var i = 1; i <= contime; i++) {
        var strTime = ''
        var lastTime = ''
        if (i == 1) {
            strTime = year + '-' + new_month + '-' + 1
            lastTime = year + '-' + new_month + '-' + (1 + firsttime - 1)
        } else if (i == contime) {
            strTime = year + '-' + new_month + '-' + (last_Data - lasttime + 1)
            lastTime = year + '-' + new_month + '-' + last_Data
        } else {
            strTime = addDate(zhouArry[zhouArry.length - 1].endtime, 1)
            lastTime = addDate(zhouArry[zhouArry.length - 1].endtime, 7)
        }

        

        zhouArry.push({
            weeknum: i,
            begintime: strTime,
            endtime: lastTime,
        })



		//日期增加 接受两个参数, 传入的时间,传入时间增加的天数
		function addDate(date, days) {
			if (days == undefined || days == '') {
				days = 1;
			}

			var date = new Date(date);
			date.setDate(date.getDate() + days);
			var month = date.getMonth() + 1;
			var day = date.getDate();

			return date.getFullYear() + '-' + month + '-' + day;
		}
    //console.log(zhouArry)//打印数据
    }

    return zhouArry
}