/**

  * 时间轴函数, Unix 时间戳

  * @param int $time 时间

  */

 function TranTime($time) {

     //$time = strtotime($time);

     $nowTime = time ();

     $message = '';

     //一年前

     if (idate ( 'Y', $nowTime ) != idate ( 'Y', $time )) {

         $message = date ( 'Y年m月d日', $time );

     }

     else {

         //同一年

         $days = idate ( 'z', $nowTime ) - idate ( 'z', $time );

         switch(true){

             //一天内

             case (0 == $days):

                 $seconds = $nowTime - $time;

                 //一小时内

                 if ($seconds < 3600) {

                     //一分钟内

                     if ($seconds < 60) {

                         if (3 > $seconds) {

                             $message = '刚刚';

                         } else {

                             $message = $seconds . '秒前';

                         }

                     }

                     $message = intval ( $seconds / 60 ) . '分钟前';

                 }

                 $message = idate ( 'H', $nowTime ) - idate ( 'H', $time ) . '小时前';

                 break;

                 //昨天

             case (1 == $days):

                 $message = '昨天' . date ( 'H:i', $time );

                 break;

                 //前天

             case (2 == $days):

                 $message = '前天 ' . date ( 'H:i', $time );

                 break;

                 //7天内

             case (7 > $days):

                 $message = $days . '天前';

                 break;

                 //超过7天

             default:

                 $message = date ( 'n月j日 H:i', $time );

                 break;

         }

     }

     return $message;

 }