//多级菜单的方法

function genTree($data,$id=‘id‘,$pid=‘pid‘,$son = ‘son‘){
  $tree = array(); //格式化的树
  $tmpMap = array(); //临时扁平数据
  foreach ($data as $item) {
   $tmpMap[$item[$id]] = $item;
  }
  foreach ($data as $item) {
   if (isset($tmpMap[$item[$pid]]) && $item[$id] != $item[$pid]) {
    if (!isset($tmpMap[$item[$pid]][$son]))
     $tmpMap[$item[$pid]][$son] = array();
    $tmpMap[$item[$pid]][$son][] = &$tmpMap[$item[$id]];
   } else {
    $tree[] = &$tmpMap[$item[$id]];
   }
  }
  return $tree;
 }

//通过调用tp中方法实现图片上传

 if(!empty($_FILES))
   {
      $up=new Upload();
      $up->$config=array(
         ‘exts‘=>array("jpg","JPG","gif","png"),
      ‘rootPath‘=>"./Uploads/",
      ‘savePath‘=>‘./Public/Uploads/‘
      );
      $img=$up->upload();
      if($img)
      {
         $data[‘image‘]=$img[‘image‘][‘savepath‘].$img[‘image‘][‘savename‘];
      }
      else
      {
         dump($up->getError());
      }
   } 

知识摘要