文章分页用到比较多同时使用过cms的朋友也碰到过都具备了文章分页功能了,下面我们自己来看一个关于文章分页的例子,具体的操作步骤如下所示,希望文章能够帮助到各位朋友
content.txt
这个文件里面放的是内容了,如果你是与mysql数据库结合的话只要把把这一句换成你的数据库的内容即可。
index.php文件
教程:PHP长文章分页教程与演示
未来10年千万人将没有工作?
include('page.class.php');
//自定义的长文章字符串,可以包含 html 代码,若字符串中有手动分页符 {nextpage} 则优先按手动分页符进行分页
$content = file_get_contents('content.txt');
$ipage = isset($_GET["ipage"]) ? intval($_GET["ipage"]) : 1;
$CP = new cutpage($content);
$page = $CP->cut_str();
echo $page[$ipage - 1];
echo '
?>
长文章分页类 page.class.php
/*
* 长文章分页类
*/
class cutpage{
private $pagestr; //被切分的内容
private $pagearr; //被切分文字的数组格式
private $sum_word; //总字数(UTF-8格式的中文字符也包括)
private $sum_page; //总页数
private $page_word; //一页多少字
private $cut_tag; //自动分页符
private $cut_custom; //手动分页符
private $ipage; //当前切分的页数,第几页
private $url;
function __construct($pagestr,$page_word=1000){
$this->page_word = $page_word;
$this->cut_tag = array("", "", "
", "”。", "。", ".", "!", "……", "?", ",");
$this->cut_custom = "{nextpage}";
$tmp_page = isset($_GET["ipage"]) ? intval($_GET["ipage"]) : 1;
$this->ipage = $tmp_page>1?$tmp_page:1;
$this->pagestr = $pagestr;
}
//统计总字数
function get_page_word(){
$this->sum_word = $this->strlen_utf8($this->pagestr);
return $this->sum_word;
}
/* 统计UTF-8编码的字符长度
* 一个中文,一个英文都为一个字
*/
function strlen_utf8($str){
$i = 0;
$count = 0;
$len = strlen ($str);
while ($i $chr = ord ($str[$i]);
$count++;
$i++;
if ($i >= $len)
break;
if ($chr & 0x80){
$chr while ($chr & 0x80) {
$i++;
$chr }
}
}
return $count;
}
//设置自动分页符号
function set_cut_tag($tag_arr=array()){
$this->cut_tag = $tag_arr;
}
//设置手动分页符
function set_cut_custom($cut_str){
$this->cut_custom = $cut_str;
}
function show_cpage($ipage=0){
$this->cut_str();
$ipage = $ipage ? $ipage:$this->ipage;
return $this->pagearr[$ipage];
}
function cut_str(){
$str_len_word = strlen($this->pagestr); //获取使用strlen得到的字符总数
$i = 0;
if ($str_len_wordpage_word){ //如果总字数小于一页显示字数
$page_arr[$i] = $this->pagestr;
}else{
if (strpos($this->pagestr, $this->cut_custom)){
$page_arr = explode($this->cut_custom, $this->pagestr);
}else{
$str_first = substr($this->pagestr, 0, $this->page_word); //0-page_word个文字 cutStr为func.global中的函数
foreach ($this->cut_tag as $v){
$cut_start = strrpos($str_first, $v); //逆向查找第一个分页符的位置
if ($cut_start){
$page_arr[$i++] = substr($this->pagestr, 0, $cut_start).$v;
$cut_start = $cut_start + strlen($v);
break;
}
}
if (($cut_start+$this->page_word)>=$str_len_word){ //如果超过总字数
$page_arr[$i++] = substr($this->pagestr, $cut_start, $this->page_word);
}else{
while (($cut_start+$this->page_word) foreach ($this->cut_tag as $v){
$str_tmp = substr($this->pagestr, $cut_start, $this->page_word); //取第cut_start个字后的page_word个字符
$cut_tmp = strrpos($str_tmp, $v); //找出从第cut_start个字之后,page_word个字之间,逆向查找第一个分页符的位置
if ($cut_tmp){
$page_arr[$i++] = substr($str_tmp, 0, $cut_tmp).$v;
$cut_start = $cut_start + $cut_tmp + strlen($v);
break;
}
}
}
if (($cut_start+$this->page_word)>$str_len_word){
$page_arr[$i++] = substr($this->pagestr, $cut_start, $this->page_word);
}
}
}
}
$this->sum_page = count($page_arr); //总页数
$this->pagearr = $page_arr;
return $page_arr;
}
//显示上一条,下一条
function pagenav(){
$this->set_url();
$str = '';
//$str .= $this->ipage.'/'.$this->sum_page;
for($i=1;$isum_page;$i++){
if($i==$this->ipage) {
$str.= "".$i." ";
}else{
$str.= "".$i." ";
}
}
return $str;
}
function show_prv_next2(){
$this->set_url();
$str = '';
if ($this->sum_page>1 and $this->ipage>1){
$str.= "上一页 ";
}
if ($this->sum_page>1 and $this->ipagesum_page){
$str .= "下一页";
}
return $str;
}
function show_page_select(){
if ($this->sum_page>1){
$str = " ";
}
return $str;
}
function show_page_select_wap(){
if ($this->sum_page>1){
$str = "";
}
return $str;
}
function set_url(){
parse_str($_SERVER["QUERY_STRING"], $arr_url);
unset($arr_url["ipage"]);
if (empty($arr_url)){
$str = "ipage=";
}else{
$str = http_build_query($arr_url)."&ipage=";
}
$this->url = "http://".$_SERVER["HTTP_HOST"].$_SERVER["PHP_SELF"]."?".$str;
}
}
?>

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

WebStorm Mac version
Useful JavaScript development tools

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Atom editor mac version download
The most popular open source editor