<!DOCTYPE html><html> ???<head> ???????<meta charset="{CHARSET}"> ???????<title></title> ???????<script> ???????????// 第一个参数为日期，第二个参数为年月日分割格式 ‘/‘或‘-‘ ???????????function format(Date,str){ ???????????????var obj = { ???????????????????Y: Date.getFullYear(), ???????????????????M: Date.getMonth() + 1, ???????????????????D: Date.getDate(), ???????????????????H: Date.getHours(), ???????????????????Mi: Date.getMinutes(), ???????????????????S: Date.getSeconds() ???????????????} ???????????????// 拼接时间 hh:mm:ss ???????????????var time = ‘ ‘ +supplement(obj.H) + ‘:‘ + supplement(obj.Mi) + ‘:‘ + supplement(obj.S); ???????????????// yyyy-mm-dd ???????????????if(str.indexOf(‘-‘) > -1){ ???????????????????return obj.Y + ‘-‘ + supplement(obj.M) + ‘-‘ + supplement(obj.D) + time; ???????????????} ???????????????// yyyy/mm/dd ???????????????if(str.indexOf(‘/‘) > -1){ ???????????????????return obj.Y + ‘/‘ + supplement(obj.M) + ‘/‘ + supplement(obj.D) + time; ???????????????} ???????????} ????????????????????????// 位数不足两位补全0 ???????????function supplement(nn){ ???????????????return nn = nn < 10 ? ‘0‘ + nn : nn; ???????????} ????????????????????????var todaydate = new Date(); ???????????var end_time = format(todaydate,‘-‘); ???????????alert(end_time); ???????????var predata = new Date(todaydate-24*3600*1000); ???????????var start_time = format(predata,‘-‘); ???????????alert(start_time);
???????</script> ???</head> ???<body> ???????1212 ???</body></html>js获取当前时间转换时间格式yyyy-mm-dd hh:mm:ss
原文地址：https://www.cnblogs.com/juzijiang/p/10080618.html