blogCMS标签库源码例子

   //友链调用标签
   public function _blog_link($attr){
       $attr=$this->parseXmlAttr($attr);
       extract($attr);
       $sql='where 1 and state=1';
       if(isset($kind)){
           $sql.=" and kind=$kind";
       }
       if(isset($order)){
           $sql.=" order by $order";
       }
       if(isset($limit)){
           $sql.=" limit $limit";
       }
       if(empty($name)){
           $name='list';
       }
       $str=<<<str
       <?php
       ${$name}=M()->query("select name,url,imgurl from blog_link {$sql}");
       ?>
str;
       return $str;
   }
  
   //万能sql调用标签
   public function _blog_sql($attr){
       $attr=$this->parseXmlAttr($attr);
       extract($attr);
       if(empty($name)){
           $name='list';
       }
       if(empty($sql)){
           echo '模板标签有误';
           exit;
       }
       if(preg_match('/update|insert|delete/',$sql)){
           echo 'sql语句包含危险操作';
           exit;
       }
       $str=<<<str
       <?php
       ${$name}=M()->query("{$sql}");
       p(${$name});
       exit;
       ?>
str;
       return $str;
   }
  
   //评论列表标签
   public function _blog_comment($attr){
       $attr=$this->parseXmlAttr($attr);
       extract($attr);
       $sql='where 1 and islock=0';
       if(isset($aid)){
           $sql.=" and aid=$aid";
       }
       if(isset($reid)){
           $sql.=" and reid=$reid";
       }
       if(isset($order)){
           $sql.=" order by $order";
       }
       if(isset($limit)){
           $sql.=" limit $limit";
       }
       if(empty($name)){
           $name='list';
       }
       $str=<<<str
       <?php
       ${$name}=M()->query("select * from blog_comment $sql");
       import('@.Class.Tool');
       ${$name}=Tool::formatOneArray(${$name});
       ?>
str;
       return $str;
   }
  
   //Tag列表标签
   public function _blog_tag($attr){
       $attr=$this->parseXmlAttr($attr);
       extract($attr);
       $sql='where 1';
       if(isset($order)){
           $sql.=" order by $order";
       }
       if(isset($limit)){
           $sql.=" limit $limit";
       }
       if(empty($name)){
           $name='list';
       }
       $str=<<<str
       <?php
       ${$name}=M()->query("select tagname,counts from blog_tag $sql");
       foreach(${$name} as $key=>$value){
           $num=floor(($value['counts']+1200)/100);
           $num=$num>30? 30:$num;
           ${$name}[$key]['size']=$num;
       }
       shuffle(${$name});
       ?>
str;
       return $str;       
   }
  
   //文档归档标签
   public function _blog_group($attr){
       $attr=$this->parseXmlAttr($attr);
       extract($attr);
       $sql='where 1';
       if(empty($name)){
           $name='list';
       }
       $str=<<<str
       <?php
       ${$name}=M()->query("select count(*) as num,from_unixtime(pubdate,'%Y-%m') as pdate from blog_article group by pdate order by pdate desc");
       ?>
str;
       return $str;       
   }
}

?>