js时间戳转化成日期格式

function timestampToTime(timestamp) { ???????var date = new Date(timestamp * 1000);//时间戳为10位需*1000，时间戳为13位的话不需乘1000 ??????var Y = date.getFullYear() + ‘-‘; ??????var M = (date.getMonth()+1 < 10 ? ‘0‘+(date.getMonth()+1) : date.getMonth()+1) + ‘-‘; ??????var D = (date.getDate() < 10 ? ‘0‘+date.getDate() : date.getDate()) + ‘ ‘; ??????var h = (date.getHours() < 10 ? ‘0‘+date.getHours() : date.getHours()) + ‘:‘; ??????var m = (date.getMinutes() < 10 ? ‘0‘+date.getMinutes() : date.getMinutes()) + ‘:‘; ??????var s = (date.getSeconds() < 10 ? ‘0‘+date.getSeconds() : date.getSeconds()); ???????return Y+M+D+h+m+s; ???} ???timestampToTime(1529111288);