php分页类 整理by：小灰灰

php分页类 整理by：小灰灰

文件：Page.class.php

PHP
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<?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
*/
 
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;
    }
 
}

文件：page.php页面

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<?php
include "Page.class.php";
$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']
if (!empty($_GET['page']) && $total != 0 && $curpage > ceil($total / $showrow))
    $curpage = ceil($total / $showrow)-1; //当前页数大于最后页数，取最后一页
$page=$_GET['page']-1;
$first=$page*$showrow;
$total = $cate_list->total();
$result =$cate_list->field("*")->where("1=1 ")->limit("$first,$showrow")->order("id asc")->select();
 
for($i=0;$i<$showrow;$i++) {
/*省略一堆，这里是数据列表*/
}
 
 
<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>

样式：

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/*分页样式*/
#page{float:right;  height:40px;  padding:20px 0px;  }
#page a{  display:block;  float:left;  margin-right:10px;  padding:2px 12px;  height:24px;  border:1px #cccccc solid;  background:#fff;  text-decoration:none;  color:#808080;  font-size:12px;  line-height:24px;  }
#page a:hover{  color:#077ee3;  border:1px #077ee3 solid;  }
#page a.cur{  border:none;  background:#077ee3;  color:#fff;  }
#page p{  float:left;  padding:2px 12px;  font-size:12px;  height:24px;  line-height:24px;  color:#bbb;  border:1px #ccc solid;  background:#fcfcfc;  margin-right:8px;  }
#page p.pageRemark{  border-style:none;  background:none;  margin-right:0px;  padding:4px 0px;  color:#666;  }
#page p.pageRemark b{  color:red;  }
#page p.pageEllipsis{  border-style:none;  background:none;  padding:4px 0px;  color:#808080;  }
.dates li {font-size: 14px;margin:20px 0}
.dates li span{float:right}

php分页类 整理by：小灰灰

 

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小灰灰

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