?php if ($_GET['page']=="") {$_GET['page']=1;}; include("function.php");?>
html>
head>
meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
title>超长文本的分页显示/title>
/head>
style type="text/css">
!--
body {
 margin-left: 0px;
 margin-top: 0px;
 margin-right: 0px;
 margin-bottom: 0px;
}
a:link {
 text-decoration: none;
}
a:visited {
 text-decoration: none;
}
a:hover {
 text-decoration: none;
}
a:active {
 text-decoration: none;
}
.STYLE3 {color: #333333; font-size: 13px; }
-->
/style>
body>
 table width="876" height="638" border="0" align="center" cellpadding="0" cellspacing="0">
  tr>
  td width="343" height="159">nbsp;/td>
  td width="489">nbsp;/td>
  td width="44">nbsp;/td>
  /tr>
  tr>
  td height="245">nbsp;/td>
  td align="center" valign="top">table width="480" border="0" cellspacing="0" cellpadding="0">
  tr>
  td height="22" colspan="2">
   span class="STYLE3">
   ?php
//读取超长文本中的数据，实现超长文本中数据的分页显示
 if($_GET['page']){
  $counter=file_get_contents("file/file.txt");
  $length=strlen($counter);
  $page_count=ceil($length/950);
  $c=msubstr($counter,0,($_GET['page']-1)*950);
  $c1=msubstr($counter,0,$_GET['page']*950);
  echo substr($c1,strlen($c),strlen($c1)-strlen($c));
 }
?>
   /span> /td>
  /tr>
  tr>
  td width="202" height="22">span class="STYLE3">页次：?php echo $_GET['page'];?> / ?php echo $page_count;?> 页 /span>/td>
  td width="278">span class="STYLE3">分页：
   ?php
    if($_GET['page']!=1){
      echo "a href=index.php?page=1>首页/a>nbsp;";
      echo "a href=index.php?page=".($_GET['page']-1).">上一页/a>nbsp;";
     }
     if($_GET['page']$page_count){
      echo "a href=index.php?page=".($_GET['page']+1).">下一页/a>nbsp;";
      echo "a href=index.php?page=".$page_count.">尾页/a>";
     }
    ?>
  /span>/td>
  /tr>
/table>
/td>
  td>nbsp;/td>
  /tr>
  tr>
  td height="234">nbsp;/td>
  td>nbsp;/td>
  td>nbsp;/td>
  /tr>
/table>
/body>
/html>

?php
//定义一个用于截取一段字符串的函数msubstr()
 function msubstr($str,$start,$len){   //$str指的是字符串,$start指的是字符串的起始位置，$len指的是长度。
  $strlen=$start+$len;     //用$strlen存储字符串的总长度（从字符串的起始位置到字符串的总长度）
  for($i=0;$i$strlen;$i++){    //通过for循环语句,循环读取字符串
   if(ord(substr($str,$i,1))>0xa0){  //如果字符串中首个字节的ASCII序数值大于0xa0,则表示为汉字
    $tmpstr.=substr($str,$i,2);  //每次取出两位字符赋给变量$tmpstr，即等于一个汉字
    $i++;       //变量自加1
   }else{        //如果不是汉字，则每次取出一位字符赋给变量$tmpstr
    $tmpstr.=substr($str,$i,1);
   }
  }
  return $tmpstr;       //输出字符串
 }
?>