php實現讀取超大文字並進行分頁
阿新 • • 發佈：2022-02-21
php實現讀取超大文字並進行分頁
<?php
session_start();
if (empty($page)) {$page=1;}
if (isset($_GET['page'])==TRUE) {$page=$_GET['page']; }
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>php實現讀取超大文字並進行分頁</title>
</head>
<body>
<?php
if($page){
$counter=file_get_contents("keyword.txt"); //讀取文字，填寫你的文字
$length=strlen($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;
}
//--------------------------擷取中文字串--------------------------
$c=msubstr($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 $page_count;?> 頁 </span></td>
<td width="58%" height="28" align="left" valign="middle">
<span class="STYLE1">
<?php
echo "<a href=list.php?page=1>首頁</a> ";
if($page!=1){
echo "<a href=list.php?page=".($page-1).">上一頁</a> ";
}
if($page<$page_count){
echo "<a href=list.php?page=".($page+1).">下一頁</a> ";
}
echo "<a href=list.php?page=".$page_count.">尾頁</a>";
?>
</span> </td>
</tr>
</table>
</body>
</html>