添加顶踩功能

<?php
defined(‘IN_PHPCMS‘) or exit(‘No permission resources.‘);
class newindex{
function __construct(){
$this->db=pc_base::load_model(content_model);
}
    
    //评价
public function digg () {
     $modelid = intval($_GET[‘modelid‘]);
     $id = intval($_GET[‘id‘]);
     $digg = $_GET[‘digg‘];
    
    $this->db->table_name = ‘v9_news‘;
    $data = $this->db->get_one(array(‘id‘=>$id),‘goodpost,badpost‘);
    
      if ($digg=="good"){
        $this->db->update(array(‘goodpost‘=>‘+=1‘),array(‘id‘=>$id));
        echo ++$data[‘goodpost‘];
      }else {
        $this->db->update(array(‘badpost‘=>‘+=1‘),array(‘id‘=>$id));
        echo ++$data[‘badpost‘];
      }
    }
  

  }
?>

function digg(cid,d,mid){
    var saveid = GetCookie(‘diggid‘);
    if (saveid == cid) {
        alert("已经喜欢过了！");
        return false;
    } else{
        $.get("/index.php?m=content&c=index&a=digg",
              { modelid:mid, id: cid, digg:d},
              function (r){
                if(d=="good"){
                    $(‘#up‘).html(r);
                } else {
                    $(‘#down‘).html(r);
                }
              });
        SetCookie(‘diggid‘,cid,1);
    }
}
 
function GetCookie(c_name)
{
    if (document.cookie.length > 0)
    {
        c_start = document.cookie.indexOf(c_name + "=")
        if (c_start != -1)
        {
            c_start = c_start + c_name.length + 1;
            c_end   = document.cookie.indexOf(";",c_start);
            if (c_end == -1)
            {
                c_end = document.cookie.length;
            }
            return unescape(document.cookie.substring(c_start,c_end));
        }
    }
    return null
}
 
function SetCookie(c_name,value,expiredays)
{
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + expiredays);
    document.cookie = c_name + "=" +escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString()); //使设置的有效时间正确。增加toGMTString()
}