sj时间戳转成年月日

var d = new Date(1452567657000);
var time = d.getFullYear()+’-’
+((d.getMonth()+1).toString().length==1?
“0”+(d.getMonth()+1):(d.getMonth()+1))+’-’
+(d.getDate().toString().length==1?”0”+d.getDate():d.getDate());
//time = “2016-01-12”
//时间格式可以自己调；