Egret获取和显示时间，年，月，日，时分秒

			let now = new Date();
			this.nowYear = now.getFullYear();
			this.nowMonth = now.getMonth() + 1; 
			let nowweekday = now.getDate();
			let nowMonths;
			let nowweekdays;
			if (this.nowMonth < 10) {
				nowMonths = "0" + this.nowMonth;
			} else {
				nowMonths = this.nowMonth;
			}
			if (nowweekday < 10) {
				nowweekdays = "0" + nowweekday;
			} else {
				nowweekdays = nowweekday;
			}

			 let hh = now.getHours();            //时
			 let mm = now.getMinutes();          //分
			 let ss = now.getSeconds();           //秒
			 let hhs, mms, sss;
			 if (hh < 10) {
		    	hhs = "0" + hh;
			 } else {
			  	hhs = hh;
			  }
			  if (mm < 10) {
		     	mms = "0" + mm;
		     } else {
			  	mms = mm;
			  }
			  if (ss < 10) {
			  	sss = "0" + ss;
			 } else {
			  	sss = ss;
			  }
			this.XXlabel.text = this.nowYear + "-" + nowMonths + "-" + nowweekdays + "  " + hhs + ":" + mms + ":" + sss;

　　若是做时间控件的话，考虑到时间格式统一，可以单独设置一个函数，将传入的时间数字同“10”进行比较，若小于则前加“0”；反之不做处理