无限级分类的 表单输出 和表格输出

//获取表单 select 的无限极分类    $data 所有的数据  $pId 父级ID  第三个为默认值  第四个为 间隔
public function getTree_select($data, $pId ,$default,$space){
        $html = '';
        $space_nbsp='';
        $nbsp="    ";
        if($space){
            for($i=0;$i<$space;$i++){
                $space_nbsp.=$nbsp;
            }
            
            $space_nbsp.='└─'; 
        }else{
            
            $space_nbsp='';
        }
        
        $space++;
        foreach($data as $k => $v)
        {
           
           if($v['adpid'] == $pId)
           { 
               if($default==$v['adsortid']){
                    $selected='selected="selected"';    
                }else{
                    $selected='';
                } 
                  
            $html .= "<option $selected>".$space_nbsp.$v['subject']."</option>";
            $html .= $this->getTree_select($data, $v['adsortid'],$default,$space);
             }
        }
        return $html  ;
    }
    
     public function is_sub($data, $pId){
         
         $bean=0;
        foreach($data as $k => $v)
        {
           
           if($v['adpid'] == $pId)
           { 
                    $bean=1;
           }
         }     
         
        
         return $bean;
     }
     //用上 获取  表格的 tr  class_one为有展开图标的  class_two 是无展开图标的
      public function getTree_tr($data, $pId ,$space){
        $html = '';
        $class_one='class="tdBG"';
        $class_two='class="tdBG1"';
        
        $class=$class_one;
        
        $padding=15;
        $space_nbsp='';
        $nbsp="&nbsp;&nbsp;&nbsp;&nbsp;";
        
        if($space){
            $class=$class_two;    
            if($space>1){
                $p_left=$padding*$space;
                $p_left.='px';
                $space_nbsp=" style='margin-left:$p_left'";
            }else{
                $space_nbsp=" style='margin-left:15px'";
            }
        }else{
            
            $space_nbsp='';
        }
    
        $space++;
        foreach($data as $k => $v)
        {
           
           if($v['adpid'] == $pId)
           { 
            
               if($this->is_sub($data, $v['adsortid']) || $pId==0){
                   $class=$class_one;
                }else{
                    $class=$class_two;    
                }
            
            $html .= '<tr><td>'.$v['adsortid'].'</td>
                <td  align="left"><strong><span '.$class.' '.$space_nbsp.'>'.$v['subject'].'</span></strong></td>
                <td><a href="/goods/ad/adcat_add.html?adsortid='.$v['adsortid'].'">修改</a> | <a href="/goods/ad/adcat_delete.html?adsortid='.$v['adsortid'].'" onclick="return confirm(\'确认删除么？\')">删除</a></td>
                 </tr>';
            $html .= $this->getTree_tr($data, $v['adsortid'],$space);
             }
        }
        return $html  ;
    }