JavaScript输出实时时间_js输出实施时间-优快云博客

本文链接：https://blog.youkuaiyun.com/QBjie/article/details/107401586

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>

	<body>
		<span id="time"></span>
		<script>
			function show() {
				var date = new Date()
				var year = date.getFullYear();
				var month = date.getMonth() + 1;/*因为月份是从0开始的，因此要加1*/
				month = month < 10 ? "0" + month : month;/*规整输出结果*/
				var day = date.getDate();
				day = day < 10 ? "0" + day : day;
				var week = date.getDay();
				/*switch(week) {
					case 1:
						{
							week="星期一";
							break;
						}
					case 2:
						{
							week="星期二";
							break;
						}
					case 3:
						{
							week="星期三";
							break;
						}
					case 4:
						{
							week="星期四";
							break;
						}
					case 5:
						{
							week="星期五";
							break;
						}
					case 6:
						{
							week="星期六";
							break;
						}
					case 0:
						{
							week="星期日";
							break;
						}
				}*/
				/*简化*/
				week = ("日一二三四五六").charAt(week);
				week = "星期" + week
				var hour = date.getHours();
				hour = hour < 10 ? "0" + hour : hour;
				var minute = date.getMinutes()
				minute = minute < 10 ? "0" + minute : minute;
				var second = date.getSeconds();
				second = second < 10 ? "0" + second : second;
				var result = year + "-" + month + "-" + day + " " + week + " " + hour + ":" + minute + ":" + second;
				document.getElementById("time").innerHTML = result;

			}
			show();
			setInterval("show()", 1000);
		</script>
	</body>

</html>