function formatDate(timestamp){　　var test = new Date(parseInt(timestamp) * 1000);　　var $year = test.getFullYear();　　var $month = parseInt(test.getMonth())+1;　　var $day = test.getDate();　　//返回格式一　　var f_date1 = $year+"-"+$month+"-"+$day;　　return f_date1;　　//返回格式二　　var f_date2 = $year+"年"+$month+"月"+$day+"日";　　return f_date2;}var stmp = '1456816515';formatDate(stmp);