php dz分页类

<?php
/***

分页类
20080505
***/
require_once('mysql.php');//mysql.php文件在上一篇日志
class page{
        private $url;
        private $pagesize;
        private $sql;
        private $getpage;

        //参数:sql语句，每页记录数，传递链接(例如"index.php?"或者"index.php?sort=1&"等)
    function __construct($sql,$pagesize,$url) {
                $this->url      = $url;
                $this->pagesize = $pagesize;
                $this->sql      = $sql;
                $this->getpage  = $_GET["page"];
                if(!$this->getpage) {
                        $this->getpage=1;
                }
    }
        //取记录总数
    function getcount() {
                return mysql_num_rows(mysql_query($this->sql));
    }
        //格式化sql语句
        function pagesql() {
                $nowpage    = $this->getpage;
                $limitNumber= $this->pagesize;
                if($nowpage<1) {
                        $nowpage=1;
                }
                return $this->sql." limit ".($nowpage-1)*$limitNumber.",".$limitNumber;
        }

         //显示分页,参数:显示数字链接个数，开始步进的页
    function show($page = 5,$offset = 2){
                $mpurl     = $this->url;
                $curr_page = $this->getpage;
                $perpage   = $this->pagesize;
                $num=$this->getcount();//总记录数
        $multipage = "";
        if ($num > $perpage){
            $pages = ceil($num / $perpage);
            $from = $curr_page - $offset;
            $to = $curr_page + $page - $offset - 1;
            if ($page > $pages){
                $from = 1;
                $to = $pages;
            }else{
                if ($from < 1){
                     $to = $curr_page + 1-$from;
                     $from = 1;
                     if (($to - $from) < $page && ($to - $from) < $pages){
                         $to = $page;
                     }
                }elseif ($to > $pages){
                     $from = $curr_page - $pages + $to;
                     $to = $pages;
                     if (($to - $from) < $page && ($to - $from) < $pages){
                           $from = $pages - $page + 1;
                     }
                }
            }
                    $multipage .="
                <script language=\"javascript\">
                function gotoPage(value)
                {
                        value = parseInt(value);
                        if(isNaN(value))
                        value = 0;
                        if(value<1)
                        value = 1;
                        if(value>".$pages.")
                        value = ".$pages.";
                        window.location.href = \"".$mpurl."page=\"+value;
                }
                </script>";
            $multipage .= "<div class=\"p_bar\">";
            $multipage .= "<a class=\"p_total\"> ".$num." </a>\n";
            $multipage .= "<a class=\"p_pages\"> ".$curr_page."/".$pages." </a>\n";
            if ($curr_page - $offset > 1){
                 $multipage .= "<a class=\"p_redirect\" href=\"".$mpurl."page=1\" title='首页'>«</a>\n";
            }
            for ($i = $from; $i <= $to; $i++){
                if ($i != $curr_page){
                     $multipage .= "<a class=\"p_num\" href=\"".$mpurl."page=".$i."\" title='第".$i."页'>".$i."</a>\n";
                }else{
                     $multipage .= "<a class=\"p_curpage\">".$i."</a>\n";
                }
            }
            if ($curr_page + $offset < $pages){
                  $multipage .= "<a class=\"p_redirect\" href=\"".$mpurl."page=$pages\" title='尾页'>»</a>\n";
            }
                $multipage .= "<input class=\"p_input\" title=\"输入页数,按回车跳转\" name=\"pageGo\" id=\"pageGo\" onKeydown=\"if(event.keyCode == 13) {gotoPage(this.value);return false;}\">\n";
            //$multipage .= "<a class=\"p_total\">".$perpage."条/页</a>\n";
                    $multipage .= "</div>";
        }
         return $multipage;
    }
}
?>

php给文章加关键字连接,像163文章内容自动加链接效果

<?php
 $keys =array(
     array('网页特效','/js_a/js.html'),
     array('seo','/seo/seo.html'),
     array('php','/phper/php.html'),
     array('jsp','/jsp/jsp.html'),
     array('asp','/asp/asp.html'), 
     array('ps','/fw/photo.html'),
     array('photoshop','/fw/photo.html'),
     array('javascript','/js_a/js.html'),
     array('.net','/net/net.html'),
     array('非主流','/fw/photo.html'),
     array('网络','/mon/mon.html'),
     array('css','/cssdiv/css.html'),
     array('平面设计','/fw/photo.html'), 
     array('网站','/person/'),
     array('网页制作','/wy/yw.html'),
     array('搜索引擎','/seo/seo.html'),
     array('优化','/seo/seo.html'),
     array('动画','/flash_a/flash.html'),
     array('数据库','/database/database.html'),
     array('挣钱','/mon/mon.html'),
     array('运营','/mon/mon.html')
       
     );
    
 $str ="今天是2008年8月5号,我的网站出现的问题这对seo有很多的问题,seo就是搜索引擎优化了,以前学php好啊现在觉得jsp好,css+div,网页,网页设计,网页制作,网页学习,网页教学,Photoshop,Flash,HTML,CSS,Dreamweaver,Fireworks,ASP,PHP,JSP,ASP.NET,网站建设,网站开发,网页特效,平面设计,个人网站,网页素材";
 echo $str,"<br>";
   foreach($keys as $nkeys){
    //print_r($nkeys);echo"<br>";
    //foreach( $nkeys as $join) {
    //echo($join),"<br>";
     if(strpos($str,$nkeys[0]) ){
      $str =str_replace($nkeys[0],"<a href=http://111cn.net".$nkeys[1]." target=_blank >".$nkeys[0]."</a>",$str);     
     }
    //}
   }
     
   echo $str;
?>

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)?***.com/.*$ [NC]
RewriteRule .(gif|jpg|jpeg|png|rar|zip|mp3|wma|swf)$ - [F]

<?php这是一个简单的例子
if(!isset($_GET['logout'])){
     session_start();
     if(!isset($_SESSION['adminname']) or ($_SESSION['adminagent']!=md5($_SERVER['HTTP_USER_AGENT']))){
      header('location:/admin/');
      exit();
     }
}
else{
 $_SESSION=array();
 session_destroy();
 setcookie(session_name(),'',time()-300,'/','',0);
 header('location:index.php');
 exit();
}
?>
<?php
/*
  后台管理框架配置
  author:xqbar
  datetime:2008-3-29
*/
$toplink=array(0=>'账号管理','新闻管理','店铺管理','系统管理','友情链接');
$leftnav=array(
                0=>'账号管理|退出系统',
                   '新闻管理|新闻分类|退出系统',
                   '店铺管理|店铺分类|模板管理|退出系统',
                   '分类管理|地域管理|模板管理|退出系统',
                   '友情链接|退出系统'
               );
$leftlink=array(
                0=>'<a href="test/test.php" target="mainFrame">管理员</a>&nbsp;<a href="test/test.php" target="mainFrame">店铺会员</a>|<a href="checklogin.php?logout=ok" target="_top">退出管理</a>',
                   '<a href="test/test.php" target="mainFrame">所有新闻</a>&nbsp;<a href="test/test.php" target="mainFrame">添加新闻</a>@<a href="test/test.php" target="mainFrame">生成文件</a>|<a href="test/test.php" target="mainFrame">资讯分类</a>|<a href="checklogin.php" target="_top">退出管理</a>',
                   '<a href="test/test.php" target="mainFrame">所有店铺</a>&nbsp;<a href="test/test.php" target="mainFrame">添加店铺</a>|<a href="class/test.php" target="mainFrame">店铺分类</a>|<a href="test/test.php" target="mainFrame">模板列表</a>&nbsp;<a href="class/mbadd.php" target="mainFrame">添加模板</a>|<a href="checklogin.php?logout=ok" target="_top">退出管理</a>',
                   '<a href="test/test.php" target="mainFrame">新闻分类</a>&nbsp;<a href="test/test.php" target="mainFrame">店铺分类</a>|<a href="test/test.php" target="mainFrame">地域管理</a>|<a href="test/test.php" target="mainFrame">模板列表</a>&nbsp;<a href="test/test.php" target="mainFrame">添加模板</a>|<a href="checklogin.php?logout=ok" target="_top">退出管理</a>',
                   '<a href="test/test.php" target="mainFrame">连接列表</a>&nbsp;<a href="test/test.php" target="mainFrame">添加连接</a>|<a href="checklogin.php?logout=ok" target="_top">退出管理</a>'
               );                  
function topnav()
{
 global $toplink;
 $itemnum=count($toplink);
 echo '<div id="admin_header">';
 echo '<div id="admin_logo"></div>';
 echo '<div id="admin_nav">';
    echo '<ul>';
 foreach ($toplink as $key=>$value){echo "<li id='navli{$key}'><a href='javascript:navBar({$key},{$itemnum});'>$value</a></li>";}
 echo '</ul>';
 echo '</div>';
 echo '</div>';
 echo '</div>';
}
function leftnav($itemid)
{
 global $leftnav,$leftlink;
 $navtitle=explode('|',$leftnav[$itemid]);
 $navlink=explode('|',$leftlink[$itemid]);
 echo "<div id='admin_left'>";
 foreach ($navtitle as $key=>$value)
 {
  echo "<div class='navlist'>";
  echo "<h1 id='navtitle{$key}'><a href='javascript:nav({$key})'>{$value}</a></h1>";
  echo "<ul id='navlist{$key}'>";
  if(strlen(strstr($navlink[$key],"@"))>0){
   $itemlink=explode('@',$navlink[$key]);
   foreach($itemlink as $link){echo "<li>{$link}</li>";}
  }else{echo "<li>$navlink[$key]</li>";}
  echo "</ul>";
  echo "</div>";
 }
 echo "</div>";
}
if(isset($_GET['cpp'])){
 leftnav($_GET['cpp']);
}
?>