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PHP 读取文本文件内容并分页显示

2020-02-18 23:02:49
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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 $page_count;?> 页 </span></td> <td width="58%" height="28" align="left" valign="middle"><span class="STYLE1"><?phpecho "<a href=m.php?page=1>首页</a> "; if($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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