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thinkphp检查下传文件时是否已存在

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Release: 2016-06-13 10:54:12
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thinkphp检查上传文件时是否已存在

     /**     +----------------------     * 检查上传文件的目录里是否已存在同名的上传文件     +----------------------     * @static     * @access public     +----------------------     * @param string $path 文件目录路径     * @param string $file 文件名(包括扩展名)     +----------------------     * @return 返回yes表示文件存在,no表示文件不存在     +----------------------     */  public function searchFile($path,$file){  $file_array=array(); //存放文件名数组  $folder_array=array(); //存放目录名数组  $all_array=array(); //存放全部路径的数组  if(is_dir($path)){  //检查文件目录是否存在   $H = @ opendir($path);   while(false !== ($_file=readdir($H))){    //检索目录    if(is_dir($path."/".$_file) && $_file != "." && $_file!=".." && $_file!=="Thumbs.db"){     if(eregi('/'.$file,'/'.$_file)){      array_push($this->folder_array,$path."/".$_file);     }     $this->searchFile($path."/".$_file,$file);    //检索文件    }elseif(is_file($path."/".$_file) && $_file!="." && $_file!=".." && $_file!=="Thumbs.db"){     //$_file = auto_charset($_file,'utf-8','gbk');     if(eregi('/'.$file,'/'.$_file)){      array_push($this->file_array,$path."/".$_file);      return 'yes'; //文件存在     }    }   }   //$this->all_array["folder"]=$this->folder_array;   //$this->all_array["file"]=$this->file_array;   closedir($H);   return 'no'; //不存在  }elseif(is_file($path)){   if(eregi($file,$path)){    //$this->all_array["file"]=$path;    return 'yes'; //文件存在   } else {    return 'no'; //文件不存在   }  }else{   return 'no'; //文件不存在  } }
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