function timeago(dateTimeStamp){ //dateTimeStamp是一个时间毫秒,注意时间戳是秒的形式,在这个毫秒的基础上除以1000,就是十位数的时间戳。13位数的都是时间毫秒。 var minute = 1000 * 60; //把分,时,天,周,半个月,一个月用毫秒表示 var hour = minute * 60; var day = hour * 24; var week = day * 7; var halfamonth = day * 15; var month = day * 30; var now = new Date().getTime(); //获取当前时间毫秒 console.log(now) var diffValue = now - dateTimeStamp; //时间差 if(diffValue < 0){ return; } var minC = diffValue/minute; //计算时间差的分,时,天,周,月 var hourC = diffValue/hour; var dayC = diffValue/day; var weekC = diffValue/week; var monthC = diffValue/month; if(monthC >= 1 && monthC <= 3){ result = " " + parseInt(monthC) + "月前" }else if(weekC >= 1 && weekC <= 3){ result = " " + parseInt(weekC) + "周前" }else if(dayC >= 1 && dayC <= 6){ result = " " + parseInt(dayC) + "天前" }else if(hourC >= 1 && hourC <= 23){ result = " " + parseInt(hourC) + "小时前" }else if(minC >= 1 && minC <= 59){ result =" " + parseInt(minC) + "分钟前" }else if(diffValue >= 0 && diffValue <= minute){ result = "刚刚" }else { var datetime = new Date(); datetime.setTime(dateTimeStamp); var Nyear = datetime.getFullYear(); var Nmonth = datetime.getMonth() + 1 < 10 ? "0" + (datetime.getMonth() + 1) : datetime.getMonth() + 1; var Ndate = datetime.getDate() < 10 ? "0" + datetime.getDate() : datetime.getDate(); var Nhour = datetime.getHours() < 10 ? "0" + datetime.getHours() : datetime.getHours(); var Nminute = datetime.getMinutes() < 10 ? "0" + datetime.getMinutes() : datetime.getMinutes(); var Nsecond = datetime.getSeconds() < 10 ? "0" + datetime.getSeconds() : datetime.getSeconds(); result = Nyear + "-" + Nmonth + "-" + Ndate } return result; } 示例: var time=timeago(1519181561000); alert(time); 输出 11小时之前