<?php
/* * *********************************************
* @类名: page
* @参数: $myde_total - 总记录数
* $myde_size - 一页显示的记录数
* $myde_page - 当前页
* $myde_url - 获取当前的url
* @功能: 分页实现
* @作者: 宋海阁
*/
class page {
private $myde_total; //总记录数
private $myde_size; //一页显示的记录数
private $myde_page; //当前页
private $myde_page_count; //总页数
private $myde_i; //起头页数
private $myde_en; //结尾页数
private $myde_url; //获取当前的url
/*
* $show_pages
* 页面显示的格式,显示链接的页数为2*$show_pages+1。
* 如$show_pages=2那么页面上显示就是[首页] [上页] 1 2 3 4 5 [下页] [尾页]
*/
private $show_pages;
public function __construct($myde_total = 1, $myde_size = 1, $myde_page = 1, $myde_url, $show_pages = 2) {
$this->myde_total = $this->numeric($myde_total);
$this->myde_size = $this->numeric($myde_size);
$this->myde_page = $this->numeric($myde_page);
$this->myde_page_count = ceil($this->myde_total / $this->myde_size);
$this->myde_url = $myde_url;
if ($this->myde_total < 0)
$this->myde_total = 0;
if ($this->myde_page < 1)
$this->myde_page = 1;
if ($this->myde_page_count < 1)
$this->myde_page_count = 1;
if ($this->myde_page > $this->myde_page_count)
$this->myde_page = $this->myde_page_count;
$this->limit = ($this->myde_page - 1) * $this->myde_size;
$this->myde_i = $this->myde_page - $show_pages;
$this->myde_en = $this->myde_page + $show_pages;
if ($this->myde_i < 1) {
$this->myde_en = $this->myde_en + (1 - $this->myde_i);
$this->myde_i = 1;
}
if ($this->myde_en > $this->myde_page_count) {
$this->myde_i = $this->myde_i - ($this->myde_en - $this->myde_page_count);
$this->myde_en = $this->myde_page_count;
}
if ($this->myde_i < 1)
$this->myde_i = 1;
}
//检测是否为数字
private function numeric($num) {
if (strlen($num)) {
if (!preg_match("/^[0-9]+$/", $num)) {
$num = 1;
} else {
$num = substr($num, 0, 11);
}
} else {
$num = 1;
}
return $num;
}
//地址替换
private function page_replace($page) {
return str_replace("{page}", $page, $this->myde_url);
}
//首页
private function myde_home() {
if ($this->myde_page != 1) {
return "<a href='" . $this->page_replace(1) . "' title='首页'>首页</a>";
} else {
return "<p>首页</p>";
}
}
//上一页
private function myde_prev() {
if ($this->myde_page != 1) {
return "<a href='" . $this->page_replace($this->myde_page - 1) . "' title='上一页'>上一页</a>";
} else {
return "<p>上一页</p>";
}
}
//下一页
private function myde_next() {
if ($this->myde_page != $this->myde_page_count) {
return "<a href='" . $this->page_replace($this->myde_page + 1) . "' title='下一页'>下一页</a>";
} else {
return"<p>下一页</p>";
}
}
//尾页
private function myde_last() {
if ($this->myde_page != $this->myde_page_count) {
return "<a href='" . $this->page_replace($this->myde_page_count) . "' title='尾页'>尾页</a>";
} else {
return "<p>尾页</p>";
}
}
//输出
public function myde_write($id = 'page') {
$str = "<div id=" . $id . ">";
$str.=$this->myde_home();
$str.=$this->myde_prev();
if ($this->myde_i > 1) {
$str.="<p class='pageEllipsis'>...</p>";
}
for ($i = $this->myde_i; $i <= $this->myde_en; $i++) {
if ($i == $this->myde_page) {
$str.="<a href='" . $this->page_replace($i) . "' title='第" . $i . "页' class='cur'>$i</a>";
} else {
$str.="<a href='" . $this->page_replace($i) . "' title='第" . $i . "页'>$i</a>";
}
}
if ($this->myde_en < $this->myde_page_count) {
$str.="<p class='pageEllipsis'>...</p>";
}
$str.=$this->myde_next();
$str.=$this->myde_last();
$str.="<p class='pageRemark'>共<b>" . $this->myde_page_count .
"</b>页<b>" . $this->myde_total . "</b>条数据</p>";
$str.="</div>";
return $str;
}
}
?>
![](https://images2015.cnblogs.com/blog/427641/201604/427641-20160412222030629-214772241.png)
PHP
include_once("config.php");
require_once('page.class.php'); //分页类
$showrow = 10; //一页显示的行数
$curpage = empty($_GET['page']) ? 1 : $_GET['page']; //当前的页,还应该处理非数字的情况
$url = "?page={page}"; //分页地址,如果有检索条件 ="?page={page}&q=".$_GET['q']
//省略了链接mysql的代码,测试时自行添加
$sql = "SELECT id,content,addtime FROM wishing_wall";
$total = mysql_num_rows(mysql_query($sql)); //记录总条数
if (!empty($_GET['page']) && $total != 0 && $curpage > ceil($total / $showrow))
$curpage = ceil($total_rows / $showrow); //当前页数大于最后页数,取最后一页
//获取数据
$sql .= " LIMIT " . ($curpage - 1) * $showrow . ",$showrow;";
$query = mysql_query($sql);
分页数据显示
<ul class="dates">
<?php while ($row = mysql_fetch_array($query)) { ?>
<li>
<span><?php echo $row['addtime'] ?></span>
<a target="_blank" href="http://www.sucaihuo.com/js"><?php echo $row['content'] ?></a>
</li>
<?php } ?>
</ul>
显示分页条
<div class="showPage">
<?php
if ($total > $showrow) {//总记录数大于每页显示数,显示分页
$page = new page($total, $showrow, $curpage, $url, 2);
echo $page->myde_write();
}
?>
</div>
#创建数据库名:demo
create table wishing_wall(
id INT NOT NULL AUTO_INCREMENT,
content VARCHAR(100),
addtime timestamp not null default current_timestamp,
PRIMARY KEY(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;