egret获取本周，上周，今天，昨天，明天，现在时间,今年，本月

class TimerShow extends  egret.DisplayObjectContainer{
 
    private now = new Date(); //当前日期
    private nowDayOfWeek = this.now.getDay(); //今天本周的第几天
    private nowDay = this.now.getDate(); //当前日
    private nowMonth = this.now.getMonth(); //当前月
    private nowYear = this.now.getFullYear();  //当前年
    // private lastMonthDate = new Date(); //上月日期
    // private lastYear =  this.lastMonthDate.getFullYear();
    // private lastMonth = this.lastMonthDate.getMonth();
 
    public constructor() {
        super();
        // this.addEventListener(egret.Event.ADDED_TO_STAGE,this.addToStage,this);
    }
    private addTiem(){
        this.nowYear += (this.nowYear < 2000) ? 1900 : 0;
        // this.lastMonthDate.setDate(1);
        // this.lastMonthDate.setMonth(this.lastMonthDate.getMonth()-1);
    }
    //格式化日期：yyyy-MM-dd
    public 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);
    }
 
    public formatReportDate(dates,specific){
        dates = new Date(dates);
        console.log(dates);
        let myyear = dates.getFullYear();
        let mymonth = dates.getMonth()+1;
        let myweekday = dates.getDate();
        let myday = dates.getDay();
        let hh = dates.getHours();            //时
        let mm = dates.getMinutes();          //分
        let ss = dates.getSeconds();           //秒
 
        if(mymonth < 10){
            mymonth = "0" + mymonth;
        }
        if(myweekday < 10){
            myweekday = "0" + myweekday;
        }
        if(specific == 1){
            return (mymonth + "-" + myweekday + " "+GlobalVariable.getLangDay(myday) +" "+hh+":"+mm+":"+ss);
        }
        return (mymonth + "-" + myweekday + " "+GlobalVariable.getLangDay(myday) );
    }
 
    public getCurrentDate(){
        let mymonth = this.now.getMonth()+1;
        let myweekday = this.now.getDate();
        if(mymonth < 10){
            mymonth = <any>"0" + mymonth;
        }
        if(myweekday < 10){
            myweekday = <any>"0" + myweekday;
        }
        let time = this.now.getFullYear()+"-"+mymonth+"-"+myweekday;
        return time;
    }
 
    //获得某月的天数
    public getMonthDays(myMonth){
        this.addTiem();
        let monthStartDate:any = new Date(this.nowYear, myMonth, 1);
        let monthEndDate:any = new Date(this.nowYear, myMonth + 1, 1);
        let days = (monthEndDate - monthStartDate)/(1000 * 60 * 60 * 24);
        return days;
    }
    //获取昨天的日期
    public getYesterDay(thisTime){
        var time = new Date(thisTime); // 1 Feb -> 30 Jan
        time.setDate(time.getDate() - 1);
        let yesterDay = time.getFullYear()+"-" + (time.getMonth()+1) + "-" + time.getDate();
        return yesterDay;
    }
    //获取明天的日期
    public getTomorrow(thisTime){
        var time = new Date(thisTime); // 1 Feb -> 30 Jan
        time.setDate(time.getDate() +1);
        let mymonth = time.getMonth()+1;
        let myweekday = time.getDate();
        if(mymonth < 10){
            mymonth = <any>"0" + mymonth;
        }
        if(myweekday < 10){
            myweekday = <any>"0" + myweekday;
        }
        let Tomorrow = time.getFullYear()+"-" + mymonth + "-" + myweekday;
        return Tomorrow;
    }
 
    //获得本季度的开始月份
    public getQuarterStartMonth(){
        let quarterStartMonth = 0;
        if(this.nowMonth<3){
            quarterStartMonth = 0;
        }
        if(2<this.nowMonth && this.nowMonth<6){
            quarterStartMonth = 3;
        }
        if(5<this.nowMonth && this.nowMonth<9){
            quarterStartMonth = 6;
        }
        if(this.nowMonth>8){
            quarterStartMonth = 9;
        }
        return quarterStartMonth;
    }
 
    //获取七天前的日期
    public getSevenDaysDate(index){
        //index= -7；index= 7 前后
        let date = new Date(); //当前日期
        let newDate = new Date();
        newDate.setDate(date.getDate() + index);//官方文档上虽然说setDate参数是1-31,其实是可以设置负数的
        let mymonth = newDate.getMonth()+1;
        let myweekday = newDate.getDate();
        if(mymonth < 10){
            mymonth = <any>"0" + mymonth;
        }
        if(myweekday < 10){
            myweekday = <any>"0" + myweekday;
        }
        let time = newDate.getFullYear()+"-"+mymonth+"-"+myweekday;
        return time;
    }
 
    //获得本周的开始日期
    public getWeekStartDate() {
        this.addTiem();
        let weekStartDate = new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek);
        return this.formatDate(weekStartDate);
    }
 
    //获得本周的结束日期
    public getWeekEndDate() {
        this.addTiem();
        let weekEndDate = new Date(this.nowYear, this.nowMonth, this.nowDay + (6 - this.nowDayOfWeek));
        return this.formatDate(weekEndDate);
    }
    //获得上周的开始日期
    public getLastWeekStartDate() {
        let weekStartDate = new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek - 7);
        return this.formatDate(weekStartDate);
    }
    //获得上周的结束日期
    public getLastWeekEndDate() {
        let weekEndDate = new Date(this.nowYear, this.nowMonth, this.nowDay - this.nowDayOfWeek - 1);
        return this.formatDate(weekEndDate);
    }
 
    //获得本月的开始日期
    public getMonthStartDate(){
        this.addTiem();
        let monthStartDate = new Date(this.nowYear, this.nowMonth, 1);
        return this.formatDate(monthStartDate);
    }
 
    //获得本月的结束日期
    public getMonthEndDate(){
        this.addTiem();
        let monthEndDate = new Date(this.nowYear, this.nowMonth, this.getMonthDays(this.nowMonth));
        return this.formatDate(monthEndDate);
    }
 
    //获得上月开始时间
    public getLastMonthStartDate(){
        let lastMonthDate = new Date(); //上月日期
        lastMonthDate.setDate(1);
        lastMonthDate.setMonth(lastMonthDate.getMonth() - 1);
        let lastYear = lastMonthDate.getFullYear();
        let lastMonth = lastMonthDate.getMonth();
 
        let lastMonthStartDate = new Date(this.nowYear, lastMonth, 1);
        return this.formatDate(lastMonthStartDate);
    }
 
    //获得上月结束时间
    public getLastMonthEndDate(){
        this.addTiem();
        let lastMonthDate = new Date(); //上月日期
        lastMonthDate.setDate(1);
        lastMonthDate.setMonth(lastMonthDate.getMonth() - 1);
        let lastYear = lastMonthDate.getFullYear();
        let lastMonth = lastMonthDate.getMonth();
 
        let lastMonthEndDate = new Date(this.nowYear, lastMonth, this.getMonthDays(lastMonth));
        return this.formatDate(lastMonthEndDate);
    }
 
    //获得本季度的开始日期
    public getQuarterStartDate(){
        this.addTiem();
        let quarterStartDate = new Date(this.nowYear, this.getQuarterStartMonth(), 1);
        return this.formatDate(quarterStartDate);
    }
 
    //或的本季度的结束日期
    public getQuarterEndDate(){
        this.addTiem();
        let quarterEndMonth = this.getQuarterStartMonth() + 2;
        let quarterStartDate = new Date(this.nowYear, quarterEndMonth, this.getMonthDays(quarterEndMonth));
        return this.formatDate(quarterStartDate);
    }
}