Posted in PHP onMarch 27, 2008
<?php $perpagenum = 10;//定义每页显示几条 $total = mysql_fetch_array(mysql_query("select count(*) from a"));//查询数据库中一共有多少条数据 $Total = $total[0]; // $Totalpage = ceil($Total/$perpagenum);//上舍,取整 if(!isset($_GET['page'])||!intval($_GET['page'])||$_GET['page']>$Totalpage)//page可能的四种状态 { $page=1; } else { $page=$_GET['page'];//如果不满足以上四种情况,则page的值为$_GET['page'] } $startnum = ($page-1)*$perpagenum;//开始条数 $sql = "select * from a order by id limit $startnum,$perpagenum";//查询出所需要的条数 echo $sql." "; $rs = mysql_query($sql); $contents = mysql_fetch_array($rs); if($total)如果$total不为空则执行以下语句 { do { $id = $contents['id']; $name = $contents['name']; ?> <table border="0" align="center"> <tr> <td>id: <?php echo $id;?> </td> </tr> <tr> <td>name: <?php echo $name;?> </td> </tr> </table> <?php } while($contents = mysql_fetch_array($rs));//do....while $per = $page - 1;//上一页 $next = $page + 1;//下一页 echo "<center>共有".$Total."条记录,每页".$perpagenum."条,共".$Totalpage."页 "; if($page != 1) { echo "<a href='".$_SERVER['PHP_SELF']."'>首页</a>"; echo "<a href='".$_SERVER['PHP_SELF'].'?page='.$per."'> 上一页</a>"; } if($page != $Totalpage) { echo "<a href='".$_SERVER['PHP_SELF'].'?page='.$next."'> 下一页</a>"; echo "<a href='".$_SERVER['PHP_SELF'].'?page='.$Totalpage."'> 尾页</a></center>"; } } else如果$total为空则输出No message { echo "<center>No message</center>"; } ?>
php+mysql分页代码详解
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