~~~ //获取上一个月 下一个月的时间戳 public static function getNextMonth($time, $next) { //得到系统的年月 $tmp_date = date("Ym", $time); //切割出年份 $tmp_year = substr($tmp_date, 0, 4); //切割出月份 $tmp_mon = substr($tmp_date, 4, 2); $tmp_nextmonth = mktime(0, 0, 0, $tmp_mon + 1, 1, $tmp_year); $tmp_forwardmonth = mktime(0, 0, 0, $tmp_mon - 1, 1, $tmp_year); //得到当前时间的下一个月 if ($next) return $fm_next_month = strtotime(date("Y-m",$tmp_nextmonth))-8*3600; //得到当前时间的上一个月 return $fm_forward_month = strtotime(date("Y-m",$tmp_forwardmonth))-8*3600; } ~~~