PHP 读取文本文件内容并分页显示
程序员文章站
2022-04-18 22:31:53
功能很简单，只是使用 php 读取文本(txt)文件 并分页显示
功能很简单，只是使用 php 读取文本(txt)文件 并分页显示
<?php //----------------you should save this file as m.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"); //-------read the file into a string.-------
$length=strlen($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>
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