js指定日期格式

Posted 2020-10-25 webwrangler

 1 var nowDate = new Date();
 2 alert("当前时间为:"+nowDate);//当前时间为:Fri Feb 23 2018 14:16:31 GMT+0800 (中国标准时间)
 3 alert("当前毫秒为:"+nowDate.getTime());//当前毫秒为:1519366591738
 4 
 5 var myDate = new Date(nowDate.getTime());
 6 
 7 alert(myDate.toLocaleString());//转换成本地时间    2018/2/23 下午2:16:31
 8 var year = myDate.getFullYear();//年
 9 var month = myDate.getMonth()>8 ? myDate.getMonth()+1 : ‘0‘+(myDate.getMonth()+1);//月
10 var day = myDate.getDate()>9 ? myDate.getDate() : ‘0‘+myDate.getDate();//日
11 var hour = myDate.getHours()>9 ? myDate.getHours() : ‘0‘+myDate.getHours();//时
12 var minute = myDate.getMinutes()>9 ? myDate.getMinutes() : ‘0‘+myDate.getMinutes();//分
13 var second = myDate.getSeconds()>9 ? myDate.getSeconds() : ‘0‘+myDate.getSeconds();//秒
14 
15 alert(year +‘-‘+ month +‘-‘ +day +‘ ‘+ hour +‘:‘+ minute +‘:‘+ second) ;//得到指定格式    2018-02-23 14:16:31