Detailed explanation of time function in js

This article mainly shares with you the detailed explanation of the time acquisition function in js. It is mainly shared with you in the form of code. I hope it can help you.

/*
	2018.03.29
	时间函数文件(js 时间笔记)
*/

function TimeDate(p = null){
	obj = new Date;
	var time;										//	准备返回
	switch(true){
		case (p === null):
			time = Date.parse(new Date());
			break;
		case (isNaN(p)):
			/*
				传入时间格式，将转换当前时间
				目前只有以下格式，需要的自行补充.
				Y	1996 	格式年份
				m 	03		格式月份
				d 	03		格式天数
				
				H	23		格式小时
				i 	03		格式分钟
				s 	03		格式秒钟
				
				参数:
					"Y年m月d日 H时i分s秒"
				返回:
					"2018年03月29日 16时29分03秒"
			*/
			var arr = new Array;
			arr = {"Y":"TimeYear","m":"TimeMonth","d":"TimeDay","H":"TimeHour","i":"TimeMinute","s":"TimeSecond"};
			if(isNaN(parseInt(p))){
				time = '';
				for(var i = 0;i < p.length ; i++){
					if(arr[p[i]] != undefined){
						var fun = arr[p[i]];
						eval(&#39;time += &#39; + fun + &#39;();&#39;);
					}else{
						time += p[i];
					}
				}
			}else{
				/*
					传入具体日期，将被返回时间戳
				*/
				time = new Date(p.replace(/-/g, &#39;/&#39;)).valueOf();
			}
			break;
		default:
			/*
				传入数字将直接被返回标准格式的日期(当然是我定的标准了)
			*/
			time = TimeYear(p) + &#39;-&#39; + TimeMonth(p) + &#39;-&#39; + TimeMonth(p) + &#39; &#39; + TimeHour(p) + &#39;:&#39; + TimeMinute(p) + &#39;:&#39; + TimeSecond(p);
	}
	return time;									//	结果返回
}

/*
	时间 年 1996 格式
*/
function TimeYear(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Year = obj.getFullYear();
	Year = ozeAdd(Year);
	return Year;
}

/*
	时间  月 03 格式
*/
function TimeMonth(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Month = obj.getMonth()+1;
	Month = ozeAdd(Month);
	return Month;
}

/*
	时间 天 03 格式
*/
function TimeDay(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Day = obj.getDate();
	Day = ozeAdd(Day);
	return Day;
}

/*
	时间 小时 03 格式
*/
function TimeHour(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Hour = obj.getHours();
	Hour = ozeAdd(Hour);
	return Hour;
}

/*
	时间 分钟 03 格式
*/
function TimeMinute(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Minute = obj.getMinutes();
	Minute = ozeAdd(Minute);
	return Minute;
}

/*
	时间 秒 03 格式
*/
function TimeSecond(num = null){
	if(num === null){
		var obj = new Date;
	}else{
		var obj = new Date(parseInt(num));
	}
	var Second = obj.getSeconds();
	Second = ozeAdd(Second);
	return Second;
}

//	补零函数
function ozeAdd(num){
	if(!isNaN(num)){
		num = parseInt(num);							//	转换成整型用于计算
		if(num < 10){
			num = String(num);							//	转换为字符串
			num = &#39;0&#39; + num;
		}
		return num;
	}else{
		return num;
	}
}

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