[原创]php+ajax实现模拟win文件管理系统
//本教程由本站原创,转载请注明来处
作者:www.drise.cn
邮箱:drise@163.com
qq:271728967//
上面我们讲到了,deletefile()函数,下面我们接着讲createfolder()函数
function createfolder($path,$nname){
 if(is_dir($path) && is_writable($path)){//是否为目录且可写
  if(preg_match(/^\w{1,255}$/i,$nname)){//判断文件的合法性
   echo mkdir($path./.$nname,0777)?'create folder success':'create folder fail';//0777是设置文件可读写
  }else{
   echo folder error;
  }
 }else{
  echo can't create error file not is_writable or not dir;
 }}
这个函数的功能是实现文件夹的建,
past($path,$nname,$cpath)函数
function past($currentpath,$currentfilename,$filepote){ //1:文件要被粘贴到的位置2:当前文件{夹}名3:文件{夹}所在的物理地址  
  $str = substr($currentfilename,-1,1);
  if(substr($currentfilename,-1,1)==|){
   $currentfilename = str_replace(|,,$currentfilename);
   $filepote   = str_replace(|,,$filepote);
  }
  if(is_dir($currentpath) && is_writable($currentpath) && is_dir($filepote) && is_writable($filepote)){
   //@mkdir($currentpath./.$currentfilename);
   $t=full_copy($filepote,$currentpath./.$currentfilename)?'t':'f';//full_copy函数下面接,是进行递归读取文件夹
  }else if(is_file($filepote) && file_exists($filepote)){
   if(file_exists($currentpath.$currentfilename)){ echo ('file exists! plase rename it!');exit;}
    echo copy($filepote,$currentpath.$currentfilename)?'success':'errror';  
}  if( $str ==| && $t='t' ){ 
   deldir($filepote);
  }
}
function full_copy( $source, $target )//这个函数来自php官方站,功能是进行文件夹递归拷贝文件
    {
        if ( is_dir( $source ) )
        {
            @mkdir( $target ); 
            $d = dir( $source );
            while ( false !== ( $entry = $d->read() ) )
            {
            if ( $entry == '.' || $entry == '..' )
                {
                        continue;
                }
                $entry = $source . '/' . $entry;
                if ( is_dir( $entry ) )
                {
                   full_copy( $entry, $target . '/' . $entry );
                    continue;
                }
                copy( $entry, $target . '/' . $entry );
            }
            $d->close();
        }else {
            copy( $source, $target );
        }
    }
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