JavaScript-时间汇总

最新推荐文章于 2024-07-13 14:16:27 发布

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最新推荐文章于 2024-07-13 14:16:27 发布

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分类专栏： JavaScript

本文链接：https://blog.youkuaiyun.com/zym_1321/article/details/95805092

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<!DOCTYPE HTML>
<html>
<head>
    <meta charset="utf-8">
    <script type="text/javascript">
        var myDate = new Date();				//获取系统当前时间
		console.log(myDate);									
		var fullYear = myDate.getFullYear();    //获取完整的年份(4位,1970-????)
		console.log(fullYear);
		var month = myDate.getMonth();       //获取当前月份(0-11,0代表1月)
		console.log(month);
		var date = myDate.getDate();        //获取当前日(1-31)
		console.log(date);
		var day = myDate.getDay();         //获取当前星期X(0-6,0代表星期天)
		console.log(day);
		var time = myDate.getTime();        //获取当前时间(从1970.1.1开始的毫秒数)
		console.log(time);
		var hours = myDate.getHours();       //获取当前小时数(0-23)
		console.log(hours);
		var minutes = myDate.getMinutes();     //获取当前分钟数(0-59)
		console.log(minutes);
		var seconds = myDate.getSeconds();     //获取当前秒数(0-59)
		console.log(seconds);
		var milliseconds = myDate.getMilliseconds();    //获取当前毫秒数(0-999)
		console.log(milliseconds);
		var localeDateString = myDate.toLocaleDateString();     //获取当前日期
		console.log(localeDateString);
		var localeTimeString = myDate.toLocaleTimeString();     //获取当前时间
		console.log(localeTimeString);
		var localeString = myDate.toLocaleString();        //获取日期与时间
		console.log(localeString);
		var week = "今天是星期" + "日一二三四五六".charAt(new Date().getDay());//获取今天是星期几
		console.log(week);
		//格式化日期与时间 方式1
		Date.prototype.format = function(format) {
			var date = {
			   "M+": this.getMonth() + 1,
			   "d+": this.getDate(),
			   "h+": this.getHours(),
			   "m+": this.getMinutes(),
			   "s+": this.getSeconds(),
			   "q+": Math.floor((this.getMonth() + 3) / 3),
			   "S+": this.getMilliseconds()
			};
			if (/(y+)/i.test(format)) {
			   format = format.replace(RegExp.$1, (this.getFullYear() + '').substr(4 - RegExp.$1.length));
			}
			for (var k in date) {
			   if (new RegExp("(" + k + ")").test(format)) {
				   format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? date[k] : ("00" + date[k]).substr(("" + date[k]).length));
			   }
			}
			return format;
		}
		var dateFormat = myDate.format('yyyy-MM-dd h:m:s');//格式化日期与时间 2019-07-12 15:31:41
		console.log(dateFormat);	
		//格式化日期与时间 方式2
		function getNowFormatDate(date) {
			var seperator1 = "-";
			var seperator2 = ":";
			var month = date.getMonth() + 1;
			var strDate = date.getDate();
			if (month >= 1 && month <= 9) {
				month = "0" + month;
			}
			if (strDate >= 0 && strDate <= 9) {
				strDate = "0" + strDate;
			}
			var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
					+ " " + date.getHours() + seperator2 + date.getMinutes()
					+ seperator2 + date.getSeconds();
			return currentdate;
		}
		var dateFormat1 = getNowFormatDate(myDate);//格式化日期与时间 2019-07-12 15:31:41
		console.log(dateFormat1);	
		
    </script>
</head>
</html>