php实现读取超大文本并进行分页

php实现读取超大文本并进行分页

<?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>php实现读取超大文本并进行分页</title> 
</head> 
<body> 

<?php 
if($page){ 
$counter=file_get_contents("keyword.txt"); //读取文本，填写你的文本
$length=strlen($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)); 
}?> 

 
<table width="100%"> 
<tr> 
<td width="42%" align="center" valign="middle"><span class="STYLE1"> <?php echo $page;?> / <?php echo $page_count;?> 页 </span></td> 
<td width="58%" height="28" align="left" valign="middle">
<span class="STYLE1">
<?php
echo "<a href=list.php?page=1>首页</a> "; 
if($page!=1){ 
  echo "<a href=list.php?page=".($page-1).">上一页</a> "; 
} 
if($page<$page_count){ 
  echo "<a href=list.php?page=".($page+1).">下一页</a> "; 
}
echo "<a href=list.php?page=".$page_count.">尾页</a>"; 
?> 
</span> </td> 
</tr> 
</table> 
</body> 
</html>

　文章转自：http://www.kaotop.com/it/743386.html

posted @ 2022-02-21 16:57  圆柱模板  阅读(100)  评论(0)  编辑  收藏  举报