<?php 
      $comment="select * from comment where id_dian='$ID'";
    $commentquery=mysql_query($comment,$mylink);
      $result4=mysql_fetch_array($commentquery,$mylink);
      if($result4=mysql_fetch_array($commentquery))
      {
    $i=1;
    do{
    echo $i."楼--".$result4['username'].": ".$result4['comment']."</br>";
    $i++;
    }
    while($result4=mysql_fetch_array($commentquery));
      }
      else
      {
          echo "暂无评论，我们期待你的参与";
          
          }
    ?>