PHP编程：Ajax实现对静态页面的文章访问统计功能示例

$countkey=$_GET['key'];//获取要操作的计数key
if($countkey=="") exit;
if($_GET['action']=="add"){
  $cou=new counter($countkey);
  $cou->inc();//计数key对应的值加1
}elseif($_GET['action']=="get"){
  $cou=new counter($countkey);
  echo $cou->get();
}
class counter {
  private $kvdb;
  private $key;
  public function __construct($key){
    $this->kvdb=new CKvdb();
    $this->key=$key;
  }
  public function inc(){
    $num=$this->kvdb->get($this->key)+1;
    $this->kvdb->set($this->key,$num);
    return $num;
  }
  public function dec(){
    $num=$this->kvdb->get($this->key)-1;
    $this->kvdb->set($this->key,$num);
    return $num;
  }
  public function get(){
    $num=$this->kvdb->get($this->key);
    return intval($num);
  }
}
class CKvdb //这个类封装的kvdb操作.
{
  private $db;
  function __construct(){
    $this->db=new SaeKv();
    $this->db->init();
  }
  public function set($key,$value)
  {
    $this->db->set($key,$value);
  }
  public function get($key)
  {
    return $this->db->get($key);
  }
}

var keyTemp = $('#postTemp').text();
$.get('http://localhost/counter.php',{ action:'add',key:keyTemp });
$.get('http://localhost/counter.php',{ action:'get',key:keyTemp },function(data){
    $('#view').text(data+' Views');
});