php生成 google map代码

php生成 google map代码

<title>Google Sitemap生成器</title>
<style type="text/css">
<!--
.agreement {
 border: 1px solid #666666;
}
.green {
 color: #00CC00;
 font-weight: bold;
}
.red {color: #FF0000; font-weight: bold; }
#scroll {
 border: 1px solid #0000FF;
 line-height: 25px;
 height: 25px;
 width: 280px;
 text-align: left;
}
.red{
 background-color:#999999;
 text-align: center;
 filter:Alpha(opacity=80);/*透明度*/
}
#act {
 background-image: url([img]http://www.gyqpw.com/img/loading.gif[/img]);
 height: 27px;
 width: 282px;
}
-->
</style>
<script>
 var MyMar;
 function monitoring()
 {
  if(document.readyState =='complete')
  {
      window.location='?i='+query_get();
  }
 }
 
 function query_get()
 {   
  var querystr = window.location.href.split("=");
  
  if(!Number(querystr[1]))
  {
   var value=0;
  }else{
   var value=Number(querystr[1]);
  }
  
  return Number(value)+1;  
 }
 
 MyMar=setInterval('monitoring()',3000);
</script>
<div style="text-align: center;" id=all_a>
 <div align="center" id=act>
  <div align="center" id=scroll>
   <div class="red" style="width:1%;"></div>
  </div>
 </div>
</div>
<div align="center">
 正在检索:<span id=link></span>
</div>
<div id="logs" class="agreement" style="height:420px; overflow:auto;">
<?
    /*===========================================================
    = 版权协议：
    =    GPL ()
    =------------------------------------------------------------
    = 摘    要：URL收集函数 PHP5
    = 版    本：1.0
    =------------------------------------------------------------
    = 开源stal 项目组
    = 更新作者：jd808
    = 最后日期：2008-4-18
    ============================================================*/
   
$file='sitemap.xml'; //GOOGLE 需要的文件 执行时则做首页的临时URL存储文件
$temp_file='temp.xml';//内页URL临时存储文件
$url="http://www.gyqpw.com/"; //要搜索的网站
$timea=time();//开始时间 用户无需理它 只管上面3个参数即可
if(!$_GET['i'])
{
 file_put_contents($file,'');
 file_put_contents($temp_file,'');
 file_put_contents($file,con($url,$timea));
 
 echo "<script>
    window.location='?i=bak';
  </script>";
}else{
 consts($_GET['i'],$timea,$file,$url);
}
function con($url,$timea) //控制
{
 echo "<script>
    document.getElementById('link').innerHTML='正在收集 ".$url." 的信息！';
 </script>";
 
   $str = file_get_contents($url);
 
   $collection_url=collection_url($str,$url);
  
   $collection_url=array_flip($collection_url);
    foreach($collection_url as $key=>$value)
    {
  if(count(explode($url,$key))==2)
  {
   $strurl.=$key."\n";
  }
    }
 
    return  $strurl;
}
function consts($i,$timea,$file,$urlys)
{
   $str =file_get_contents($file); //读取页面数据并生产字符串
  
   $url=explode("\n",$str);
  
   $sum=count($url)-1;
  
   if($i=='bak')
   {
    $i=0;
   }
  
   /*进度条*/
    $wid=round($i/$sum*100,2)."％";
  $div="<div class='red'  style='width:".$wid.";'>$wid</div>";
  echo '<script>
    document.getElementById("scroll").innerHTML="'.$div.'";
   </script>';
   
  ob_flush();//释放缓存
  flush(); //将不再缓存里的数据发送到浏览器去
   /*进度条END */
  
   for($j=$i;$j<$sum;$j++)
   {
     if(!$url[$j])
   {
    continue;
   }
   
     if(!detection_url($url[$j])) //检测URL是否合法
   {
    continue;
   }
   
     $timeb=time();//跟踪时间
   if(($timeb-$timea)>=25)
   {
    memory($collection_url,$j); //存储数据
   }
   /* URL显示跟踪*/
   echo "<script>
      document.getElementById('link').innerHTML='".$url[$j]."';
     </script>";
   ob_flush();//释放缓存
   flush(); //将不再缓存里的数据发送到浏览器去
   /* URL显示跟踪END*/
   $urlstr=@file_get_contents($url[$j]);
   
   $collection_url[]=collection_url($urlstr,$urlys);
   
   $timec=time();//跟踪时间
   if(($timec-$timea)>=25)
   {
    memory($collection_url,$j); //存储数据
   }
   
   if($j==$sum-1)
   {
    memorys(); //存储数据 主要是生成正式的xml
   }
   }
}
function collection_url($str,$url) //收集URL并返回一个数组（以页面为主）
{
 preg_match_all('/<a.*?href="(.+?)"/is',$str,$matches);
 
    $urlexp=$matches[1];
 
    for($j=0;$j<count($urlexp);$j++)
    {
  $urlexp[$j]=ltrim(str_replace("\r\n",'',$urlexp[$j]));
  $urlexp[$j]=ltrim(str_replace("\n",'',$urlexp[$j]));
  $urlexp[$j]=ltrim(str_replace("\r",'',$urlexp[$j]));
  
  if($urlexp[$j]=='#')
  {
   continue;
  }
  
  if($urlexp[$j]=='/#')
  {
   continue;
  }
  
        if(!strchr($urlexp[$j],'http://'))
        {//没有http://
   $urlall[]=$url.$urlexp[$j];
   echo $url.$urlexp[$j].'<br>';
   print "<script>document.getElementById('logs').scrollTop = document.getElementById('logs').scrollHeight;</script>";
   ob_flush();//释放缓存
   flush(); //将不再缓存里的数据发送到浏览器去
   
        }else{
   if(count(explode($url,$urlexp[$j]))==2)
   {
    $urlall[]=$urlexp[$j];
    
    echo $urlexp[$j].'<br>';
    print "<script>document.getElementById('logs').scrollTop = document.getElementById('logs').scrollHeight;</script>";
    ob_flush();//释放缓存
    flush(); //将不再缓存里的数据发送到浏览器去
   }else{
    unset($urlexp[$j]);
   }
  }
    }
    return $urlall; //返回本页面搜索所得到的数组
}
function memory($collection_url,$i)
{
 
 global $temp_file;
 
 if(is_array($collection_url))
 {
  for($h=0;$h<count($collection_url);$h++)
  {
   for($l=0;$l<count($collection_url[$h]);$l++)
   {
    $strts.=$collection_url[$h][$l]."\n";
   }
   
  }
  
  $wstr=file_get_contents($temp_file);
  
  file_put_contents($temp_file,$wstr.$strts);
  
  if($i==0)
  {
   $i=2;
  }
  
  $k=$i-1;
  
  echo "<script>
     window.location='?i=".$k."';
   </script>";
  exit;
 }
}
function memorys() //主要是生成正式的xml
{
 global $temp_file,$file;
 
 $file_arr=array_flip(file($file));
 
 $temp_file_arr=array_flip(file($temp_file));
 
 $xmla='<?xml version="1.0" encoding="UTF-8"?>'."\r\n".'<urlset xmlns="http://www.google.com/schemas/sitemap/0.84">';
 
 $xmlc="\r\n</urlset>";
 
 foreach($file_arr as $keya=>$valuea)
 {
  $keya=ltrim(str_replace("\r\n",'',$keya));
  $keya=ltrim(str_replace("\n",'',$keya));
  $keya=ltrim(str_replace("\r",'',$keya));
  
  $xml.='<url>
    <loc>'.$keya.'</loc>
    <lastmod>'.date("Y-m-d",time()).'</lastmod>
    <changefreq>daily</changefreq>
   </url>';
 }
 
 foreach($temp_file_arr as $keyb=>$valueb)
 {
  $keyb=ltrim(str_replace("\r\n",'',$keyb));
  $keyb=ltrim(str_replace("\n",'',$keyb));
  $keyb=ltrim(str_replace("\r",'',$keyb));
  
  $xml.='<url>
    <loc>'.$keyb.'</loc>
    <lastmod>'.date("Y-m-d",time()).'</lastmod>
    <changefreq>daily</changefreq>
   </url>';
 }
 
 $strts=$xmla.$xml.$xmlc;
 
 file_put_contents($file,$strts);
 
 echo "<script>
   clearInterval(MyMar);
    document.getElementById('link').innerHTML='URL已经收集完成！';
      document.getElementById('all_a').innerHTML='<b>XML生成已完成！</b>';
   </script>";
}
function detection_url($url)
{
 if(strrchr($url,'='))
 {
  return true;
 }
 
 if(substr($url,strlen($url)-1,1)=='/')
 {
  return true;
 }
 
 $postfix= strrchr($url,'.');
 
 switch ($postfix)
 {
  case ".php":
   return true;
  break;
  
  case ".html":
   return true;
  break;
  
  case ".htm":
   return true;
  break;
  
  case ".asp":
   return true;
  break;
  
  case ".aspx":
   return true;
  break;
  
  case ".shtml":
   return true;
  break;
 }
 return false;
}
?>
</div>

这个是用fopen取读远程文章的内容直接保存到本地了,这只是个简单的,仔细一点就是要分析要采集文章的结构,然后用正则取我们想要的内容,保存到数据并生成html文件就行了.

原创文章:   www.111cn.net

php文件处理类

<?php
//-------------------------------------
//-------------------------------------
class upload {
    var $dir;             //附件存放物理目录
    var $time;             //自定义文件上传时间
    var $allow_types;     //允许上传附件类型
    var $field;             //上传控件名称
    var $maxsize;         //最大允许文件大小，单位为KB
    var $thumb_width;    //缩略图宽度
    var $thumb_height;   //缩略图高度
    var $watermark_file; //水印图片地址
    var $watermark_pos;  //水印位置
    var $watermark_trans;//水印透明度
    //构造函数
    //$types : 允许上传的文件类型 , $maxsize : 允许大小 ,  $field : 上传控件名称 , $time : 自定义上传时间
    function upload($types = 'jpg|png', $maxsize = 1024, $field = 'attach', $time = '') {
        $this->allow_types = explode('|',$types);
        $this->maxsize = $maxsize * 1024;
        $this->field = $field;
        $this->time = $time ? $time : time();
    }
    //设置并创建文件具体存放的目录
    //$basedir  : 基目录，必须为物理路径
    //$filedir  : 自定义子目录，可用参数{y}、{m}、{d}
    function set_dir($basedir,$filedir = '') {
        $dir = $basedir;
        !is_dir($dir) && @mkdir($dir,0777);
        if (!empty($filedir)) {
            $filedir = str_replace(array('{y}','{m}','{y}'),array(date('Y',$this->time),date('m',$this->time),date('d',$this->time)),strtolower($filedir));
            $dirs = explode('/',$filedir);
            foreach ($dirs as $d) {
                !empty($d) && $dir .= $d.'/';
                !is_dir($dir) && @mkdir($dir,0777);
            }
        }
        $this->dir = $dir;
    }
    //图片缩略图设置，如果不生成缩略图则不用设置
    //$width : 缩略图宽度 , $height : 缩略图高度
    function set_thumb ($width = 0, $height = 0) {
        $this->thumb_width  = $width;
        $this->thumb_height = $height;
    }
    //图片水印设置，如果不生成添加水印则不用设置
    //$file : 水印图片 , $pos : 水印位置 , $trans : 水印透明度
    function set_watermark ($file, $pos = 6, $trans = 80) {
        $this->watermark_file  = $file;
        $this->watermark_pos   = $pos;
        $this->watermark_trans = $trans;
    }
    /*----------------------------------------------------------------
    执行文件上传，处理完返回一个包含上传成功或失败的文件信息数组，
    其中：name 为文件名，上传成功时是上传到服务器上的文件名，上传失败则是本地的文件名
          dir  为服务器上存放该附件的物理路径，上传失败不存在该值
          size 为附件大小，上传失败不存在该值
          flag 为状态标识，1表示成功，-1表示文件类型不允许，-2表示文件大小超出
    -----------------------------------------------------------------*/
    function execute() {
        $files = array(); //成功上传的文件信息
        $field = $this->field;
        $keys = array_keys($_FILES[$field]['name']);
        foreach ($keys as $key) {
            if (!$_FILES[$field]['name'][$key]) continue;
           
            $fileext = $this->fileext($_FILES[$field]['name'][$key]); //获取文件扩展名
            $filename = $this->time.mt_rand(100,999).'.'.$fileext; //生成文件名
            $filedir = $this->dir;    //附件实际存放目录
            $filesize = $_FILES[$field]['size'][$key]; //文件大小
           
            //文件类型不允许
            if (!in_array($fileext,$this->allow_types)) {
                $files[$key]['name'] = $_FILES[$field]['name'][$key];
                $files[$key]['flag'] = -1;
                continue;
            }
            //文件大小超出
            if ($filesize > $this->maxsize) {
                $files[$key]['name'] = $_FILES[$field]['name'][$key];
                $files[$key]['flag'] = -2;
                continue;
            }
            $files[$key]['name'] = $filename;
            $files[$key]['dir'] = $filedir;
            $files[$key]['size'] = $filesize;
            //保存上传文件并删除临时文件
            if (is_uploaded_file($_FILES[$field]['tmp_name'][$key])) {
                move_uploaded_file($_FILES[$field]['tmp_name'][$key],$filedir.$filename);
                @unlink($_FILES[$field]['tmp_name'][$key]);
                $files[$key]['flag'] = 1;
                //对图片进行加水印和生成缩略图
                if (in_array($fileext,array('jpg','png','gif'))) {
                    if ($this->thumb_width) {
                        if ($this->create_thumb($filedir.$filename,$filedir.'thumb_'.$filename)) {
                            $files[$key]['thumb'] = 'thumb_'.$filename;  //缩略图文件名
                        }
                    }
                    $this->create_watermark($filedir.$filename);
                }
            }
        }
        return $files;
    }
    //创建缩略图,以相同的扩展名生成缩略图
    //$src_file : 来源图像路径 , $thumb_file : 缩略图路径
    function create_thumb ($src_file,$thumb_file) {
        $t_width  = $this->thumb_width;
        $t_height = $this->thumb_height;
        if (!file_exists($src_file)) return false;
        $src_info = getImageSize($src_file);
        //如果来源图像小于或等于缩略图则拷贝源图像作为缩略图
        if ($src_info[0] <= $t_width && $src_info[1] <= $t_height) {
            if (!copy($src_file,$thumb_file)) {
                return false;
            }
            return true;
        }
        //按比例计算缩略图大小
        if ($src_info[0] - $t_width > $src_info[1] - $t_height) {
            $t_height = ($t_width / $src_info[0]) * $src_info[1];
        } else {
            $t_width = ($t_height / $src_info[1]) * $src_info[0];
        }
        //取得文件扩展名
        $fileext = $this->fileext($src_file);
        switch ($fileext) {
            case 'jpg' :
                $src_img = ImageCreateFromJPEG($src_file); break;
            case 'png' :
                $src_img = ImageCreateFromPNG($src_file); break;
            case 'gif' :
                $src_img = ImageCreateFromGIF($src_file); break;
        }
        //创建一个真彩色的缩略图像
        $thumb_img = @ImageCreateTrueColor($t_width,$t_height);
        //ImageCopyResampled函数拷贝的图像平滑度较好，优先考虑
        if (function_exists('imagecopyresampled')) {
            @ImageCopyResampled($thumb_img,$src_img,0,0,0,0,$t_width,$t_height,$src_info[0],$src_info[1]);
        } else {
            @ImageCopyResized($thumb_img,$src_img,0,0,0,0,$t_width,$t_height,$src_info[0],$src_info[1]);
        }
        //生成缩略图
        switch ($fileext) {
            case 'jpg' :
                ImageJPEG($thumb_img,$thumb_file); break;
            case 'gif' :
                ImageGIF($thumb_img,$thumb_file); break;
            case 'png' :
                ImagePNG($thumb_img,$thumb_file); break;
        }
        //销毁临时图像
        @ImageDestroy($src_img);
        @ImageDestroy($thumb_img);
        return true;
    }
    //为图片添加水印
    //$file : 要添加水印的文件
    function create_watermark ($file) {
        //文件不存在则返回
        if (!file_exists($this->watermark_file) || !file_exists($file)) return;
        if (!function_exists('getImageSize')) return;
       
        //检查GD支持的文件类型
        $gd_allow_types = array();
        if (function_exists('ImageCreateFromGIF')) $gd_allow_types['image/gif'] = 'ImageCreateFromGIF';
        if (function_exists('ImageCreateFromPNG')) $gd_allow_types['image/png'] = 'ImageCreateFromPNG';
        if (function_exists('ImageCreateFromJPEG')) $gd_allow_types['image/jpeg'] = 'ImageCreateFromJPEG';
        //获取文件信息
        $fileinfo = getImageSize($file);
        $wminfo   = getImageSize($this->watermark_file);
        if ($fileinfo[0] < $wminfo[0] || $fileinfo[1] < $wminfo[1]) return;
        if (array_key_exists($fileinfo['mime'],$gd_allow_types)) {
            if (array_key_exists($wminfo['mime'],$gd_allow_types)) {
               
                //从文件创建图像
                $temp = $gd_allow_types[$fileinfo['mime']]($file);
                $temp_wm = $gd_allow_types[$wminfo['mime']]($this->watermark_file);
                //水印位置
                switch ($this->watermark_pos) {               
                    case 1 :  //顶部居左
                        $dst_x = 0; $dst_y = 0; break;               
                    case 2 :  //顶部居中
                        $dst_x = ($fileinfo[0] - $wminfo[0]) / 2; $dst_y = 0; break;               
                    case 3 :  //顶部居右
                        $dst_x = $fileinfo[0]; $dst_y = 0; break;               
                    case 4 :  //底部居左
                        $dst_x = 0; $dst_y = $fileinfo[1]; break;               
                    case 5 :  //底部居中
                        $dst_x = ($fileinfo[0] - $wminfo[0]) / 2; $dst_y = $fileinfo[1]; break;       
                    case 6 :  //底部居右
                        $dst_x = $fileinfo[0]-$wminfo[0]; $dst_y = $fileinfo[1]-$wminfo[1]; break;
                    default : //随机
                        $dst_x = mt_rand(0,$fileinfo[0]-$wminfo[0]); $dst_y = mt_rand(0,$fileinfo[1]-$wminfo[1]);
                }
                if (function_exists('ImageAlphaBlending')) ImageAlphaBlending($temp_wm,True); //设定图像的混色模式
                if (function_exists('ImageSaveAlpha')) ImageSaveAlpha($temp_wm,True); //保存完整的 alpha 通道信息
                //为图像添加水印
                if (function_exists('imageCopyMerge')) {
                    ImageCopyMerge($temp,$temp_wm,$dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1],$this->watermark_trans);
                } else {
                    ImageCopyMerge($temp,$temp_wm,$dst_x,$dst_y,0,0,$wminfo[0],$wminfo[1]);
                }
                //保存图片
                switch ($fileinfo['mime']) {
                    case 'image/jpeg' :
                        @imageJPEG($temp,$file);
                        break;
                    case 'image/png' :
                        @imagePNG($temp,$file);
                        break;
                    case 'image/gif' :
                        @imageGIF($temp,$file);
                        break;
                }
                //销毁零时图像
                @imageDestroy($temp);
                @imageDestroy($temp_wm);
            }
        }
    }
    //获取文件扩展名
    function fileext($filename) {
        return strtolower(substr(strrchr($filename,'.'),1,10));
    }
}
?>

php把ubb代码转换成html

function  ubb($Text) 
  {
  $Text=htmlspecialchars($Text);
  $Text=stripslashes($Text); 
  $Text=ereg_replace("\r\n","<br/>",$Text);
  $Text=ereg_replace("\r","<br/>",$Text);
  $Text=nl2br($Text);
  $Text=preg_replace("/\\t/is"," ",$Text);
  $Text=ereg_replace("  ","&nbsp;",$Text); 
  $Text=preg_replace("/\[h1\](.+?)\[\/h1\]/is","<h1>\\1</h1>",$Text);
  $Text=preg_replace("/\[h2\](.+?)\[\/h2\]/is","<h2>\\1</h2>",$Text);
  $Text=preg_replace("/\[h3\](.+?)\[\/h3\]/is","<h3>\\1</h3>",$Text);
  $Text=preg_replace("/\[h4\](.+?)\[\/h4\]/is","<h4>\\1</h4>",$Text);
  $Text=preg_replace("/\[h5\](.+?)\[\/h5\]/is","<h5>\\1</h5>",$Text);
  $Text=preg_replace("/\[h6\](.+?)\[\/h6\]/is","<h6>\\1</h6>",$Text);
  $Text=preg_replace("/\[center\](.+?)\[\/center\]/is","<center>\\1</center>",$Text);
  $Text=preg_replace("/\[big\](.+?)\[\/big\]/is","<big>\\1</big>",$Text);
  $Text=preg_replace("/\[small\](.+?)\[\/small\]/is","<small>\\1</small>",$Text); 
  $Text=preg_replace("/\[url\](http:\/\/.+?)\[\/url\]/is","<a  href=\\1>\\1</a>",$Text);
  $Text=preg_replace("/\[url\](.+?)\[\/url\]/is","<a  href=\'http://\\1\'>http://\\1</a>",$Text);
  $Text=preg_replace("/\[url=(http:\/\/.+?)\](.*)\[\/url\]/is","<a  href=\\1>\\2</a>",$Text);
  $Text=preg_replace("/\[url=(.+?)\](.*)\[\/url\]/is","<a  href=http://\\1>\\2</a>",$Text);
  $Text=preg_replace("/\[img\](.+?)\[\/img\]/is","<img  src=\\1  border=0>",$Text);
  $Text=preg_replace("/\[color=(.+?)\](.+?)\[\/color\]/is","<font  color=\\1>\\2</font>",$Text);
  $Text=preg_replace("/\[size=(.+?)\](.+?)\[\/size\]/is","<font  size=\\1>\\2</font>",$Text);
  $Text=preg_replace("/\[sup\](.+?)\[\/sup\]/is","^\\1",$Text);
  $Text=preg_replace("/\[sub\](.+?)\[\/sub\]/is","_\\1",$Text);
  $Text=preg_replace("/\[pre\](.+?)\[\/pre\]/is","<pre>\\1</pre>",$Text);
  $Text=preg_replace("/\[email\](.+?)\[\/email\]/is","<a  href=mailto:\\1>\\1</a>",$Text);
  $Text=preg_replace("/\[i\](.+?)\[\/i\]/is","<i>\\1</i>",$Text);
  $Text=preg_replace("/\[b\](.+?)\[\/b\]/is","<b>\\1</b>",$Text);
  $Text=preg_replace("/\[quote\](.+?)\[\/quote\]/is","<blockquote><font  size='1'  face='Courier  New'>quote:</font><hr>\\1<hr></blockquote>",  $Text);
  $pattern = "/(\[uploadimage\])(\d+),(.*)(\[\/uploadimage\])/U";
  $replacement = "<img src=\"\$3\" \>";
  $Text =@preg_replace($pattern, $replacement, $Text);
  $str  = $Text;
  $pattern='#\[flash=(\d+),(\d+)\](.+)\[/flash\]#';
  $last = "<center><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\"$2\" height=\"291\">
  <param name=\"movie\" value=\"$3\" /><param name=\"quality\" value=\"high\" /><embed src=\"$3\" quality=\"high\"  pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\"
  width=\"$2\" height=\"$1\"></embed></object><br>
  <a href=\"$3\" >[全屏欣赏　提醒：Flash中可能包含不安全内容]</a>
  </center>";
  $Text= preg_replace($pattern, $last, $str); 
  $mpg ="<center>   
  <object align=\"middle\" classid=\"clsid:22d6f312-b0f6-11d0-94ab-0080c74c7e95\" class=\"object\" id=\"mediaplayer\" width=\"$2\" height=\"290\">
  <param name=\"showstatusbar\" value=\"-1\" />
  <param name=\"filename\" value=\"$3\" />
  <embed type=\"application/x-oleobject\" codebase=\"http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=5,1,52,701\" filename=\"hong\" src=\"$3\" width=\"$2\" height=\"$1\">
  </embed>
  </object>
  </center>";
  $Text =preg_replace('#\[mp=(\d+),(\d+)\](.+)\[/mp\]#', $mpg, $Text);     
  return @iconv('utf-8','gbk',@iconv('gbk','utf-8',$Text));
     
  }

<html>
<head>
<script language="javascript">
function createXMLHttp(){
    if(window.ActiveXObject){
        return new ActiveXObject("Microsoft.XMLHttp");
    }
    else if(window.XMLHttpRequest){
        return new XMLHttpRequest();
    }
}

function Pager(){
    var that=this;

    this.link=function(url){
        that.xmlHttp = createXMLHttp();
        that.xmlHttp.onreadystatechange = that.receive;
        that.xmlHttp.open("GET", url, true);
        that.xmlHttp.send(null);
    }

    this.receive=function(){
        if((that.xmlHttp.readyState == 4)){
            if(that.xmlHttp.status == 200){
                that.reaction(that.xmlHttp.responseXML);
            }else{
                that.recover();
            }
        }
    }
}
</script>
</head>
<body>
<div id='page_content'></div>
<div id='page_bar'></div>
<script language="javascript">
var a = new Pager();
var pages = 0;

a.recover = function (){
    go = function (u){
        go = function (){
        };
        a.link(u);
    };
};

a.reaction = function (xml){
    document.getElementById('page_content').innerHTML = xml.getElementsByTagName('content')[0].childNodes[0].nodeValue;

    if(xml.getElementsByTagName('count')[0].childNodes[0].nodeValue != pages){
        s = '<table><tr>';
        for(i = 1; i <= xml.getElementsByTagName('count')[0].childNodes[0].nodeValue; i++)
        {
            if(i == xml.getElementsByTagName('current')[0].childNodes[0].nodeValue)
                s += '<td><b>' + i + '</b></td>';
            else
                s += '<td><a href="javascript:go(\'page.php?page=' + i + '\')">' + i + '</a></td>';
        }
        s += '</tr></table>';
   
        document.getElementById('page_bar').innerHTML = s;
    }

    a.recover();
}

a.link('page.php');
</script>
</body>
</html>

 page.php代码.

<?php
class class_page
{
    private $record_count, $perpage;
    private $page_count, $page_current;
   
    function __construct($perpage, $record_count, $page_current)
    {
        $this->perpage = $perpage;
        $this->record_count = $record_count;
        $this->page_count = ($record_count == 0) ? 1 : ceil($record_count / $perpage);
        $this->page_current = ($page_current > $this->page_count) ? 1 : $page_current;
    }

    function __get($name)
    {
        switch($name)
        {
        case 'page_count':
            return $this->page_count;
        case 'page_current':
            return $this->page_current;
        case 'record_start':
            return ($this->page_current - 1) * $this->perpage;
        }
    }
}

header('Content-Type: text/xml; charset=gbk');
$page = new class_page(20, 150, is_numeric($_GET['page']) ? $_GET['page'] : 1);
echo '<?xml version="1.0"?>';
echo '<page>';
echo '<count>' . $page->page_count . '</count>';
echo '<current>' . $page->page_current . '</current>';
echo '<content>' . pow($page->page_current, 2) . '</content>';
echo '</page>';
?>