php对文本文件进行分页功能简单实现
php对文本文件进行分页功能简单实现
pagingphp// 中文字符处理function m_substr($str, $start, $length){ $str_length = $start + $length; // 获取截取总长度 $tmp_str = ; for($i=0;$i$str_length;$i++){ if(ord(substr($str, $i, 1)) == 0x0a){ $tmp_str .=
; } if(ord(substr($str, $i, 1))>0xa0){ $tmp_str .= substr($str, $i, 2); $i++; }else{ $tmp_str .= substr($str, $i, 1); } } return $tmp_str;}// 传参处理if(isset($_get['page'])){ $page = $_get['page'];}else{ $page = 1;}$counter = file_get_contents(example.txt);$length = strlen($counter);$page_count = ceil($length/400);$pre_str = m_substr($counter, 0, ($page-1)*400);$now_str = m_substr($counter, 0, $page*400);echo substr($now_str, strlen($pre_str), strlen($now_str)-strlen($pre_str));echo
;echo 当前页.$page./.$page_count;echo index;if($page>1){ echo pre;}if($page$page_count){ echo next;}echo end;?>