PHP读取txt文本文件并分页显示的方法

  本文实例讲述了PHP读取txt文本文件并分页显示的方法。分享给大家供大家参考。具体实现方法如下:

  

复制代码 代码如下:
<?php

  session_start();

  if (empty($page)) {$page=1;}

  if (isset($_GET['page'])==TRUE) {$page=$_GET['page']; }

  ?>

  <html>

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

  <title>Read Result</title>

  <style type="text/css">

  <!--

  .STYLE1 {font-size: 12px}

  .STYLE2 {font-size: 18px}

  -->

  </style>

  </head>

  <body>

  <table width="100%"  bgcolor="#CCCCCC">

  <tr>

  <td >

  <?php

  if($page){

  $counter=file_get_contents("example.txt"); //读取txt文件内容到$counter

  $length=strlen($counter);

  $page_count=ceil($length/5000);

  function msubstr($str,$start,$len){

  $strlength=$start+$len;

  $tmpstr="";

  for($i=0;$i<$strlength;$i++) {

  if(ord(substr($str,$i,1))==0x0a) {

  $tmpstr.='<br />';

  }

  if(ord(substr($str,$i,1))>0xa0) {

  $tmpstr.=substr($str,$i,2);

  $i++;

  }

  else{

  $tmpstr.=substr($str,$i,1); }

  }

  return $tmpstr;

  }

  //------------截取中文字符串---------

  $c=msubstr($counter,0,($page-1)*5000);

  $c1=msubstr($counter,0,$page*5000);

  echo substr($c1,strlen($c),strlen($c1)-strlen($c));

  }?>

  </td>

  </tr>

  </table>

  <table width="100%"  bgcolor="#cccccc">

  <tr>

  <td width="42%" align="center" valign="middle"><span class="STYLE1"> <?php echo $page;?> / <?php echo $page_count;?> 页 </span></td>

  <td width="58%" height="28" align="left" valign="middle">

  <span class="STYLE1">

  <?php

  echo "<a href=m.php?page=1>首页</a> ";

  if($page!=1){

  echo "<a href=m.php?page=".($page-1).">上一页</a> ";

  }

  if($page<$page_count){

  echo "<a href=m.php?page=".($page+1).">下一页</a> ";

  }

  echo "<a href=m.php?page=".$page_count.">尾页</a>";

  ?>

  </span> </td>

  </tr>

  </table>

  </body>

  </html>

  希望本文所述对大家的php程序设计有所帮助。