庆亮的博客-webgame架构

代码如下, 功能比较简单。

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系统环境：Windows XP SP2 + php 5.2.1 + mysql 5.0 + Apache 2.2.24
开发环境：Zend Studio 5.5
参数： safe_mode = Off
error_reporting = E_ALL & ~E_NOTICE
register_globals =Off
magic_quotes_runtime = Off

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nd_upload_dir = $dir_fileupload;
   $this->nd_max_filesize = $max_filesize;
   $this->nd_arr_ext_accepted = $arr_filetype /*array('.zip','.rar','.jpg','.gif','.bmp')*/;
   $this->nd_file = $$uploadfile;
   $this->nd_filename = $$uploadfilename;
   $this->nd_filesize = $$uploadfilesize;
   $this->nd_overWrite = $ow;
   $this->nd_rename_file = $rename;
   $this->nd_domain_check = 0;
   $this->nd_domain = 'http://www.nd21.com/';
 }

/**
* @ignore
*/
 function setDir($dir)
 {
   $this->nd_upload_dir = $dir;
 }

 function getDir()
 {
   return $this->nd_upload_dir;
 }

 function copyFile()
 {
   //判断是否是上传文件
   $file = $this->nd_file;
   $filename = $this->nd_filename;
   if (!is_uploaded_file($this->nd_file))
   {
     $this->nd_copyCode = 0;
   }
   else
   {
     //判断文件大小是否合法
     if ($this->nd_filesize > $this->nd_max_filesize)
     {
       $this->nd_copyCode = 1;
     }
     else
     {
       //判断文件类型是否合法
       if (!$this->chkExt($filename))
       {
         $this->nd_copyCode = 2;
       }
       else
       {
         $newfilename = $this->reName($filename);
         //判断是否存在相同名称的文件
         if (file_exists($newfilename))
         {
           //存在相同文件时是否覆盖
           if ($this->nd_overWrite)
           {
             //判断是否删除成功
             if (!unlink($newfilename))
             {
               $this->nd_copyCode = 4;
             }
             else
             {
               move_uploaded_file($file, $newfilename);
             }
           }
           else
           {
             $this->nd_copyCode = 5;
           }
         }
         else
         {
           if (move_uploaded_file($file, $newfilename))
           {
             $this->nd_copyCode = 6;
           }
           else
           {
             $this->nd_copyCode = 7;
           }
         }
       }
     }
   }
 }

 function getExt($filename)
 {
   return strrchr($filename,'.');
 }

 function rndName( $name_len = 12 )
 {
   $allchar = "0123456789ABCDEFGHIJKLNMOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_" ;
   $str = "" ;
   mt_srand (( double) microtime() * 1000000 );
   for ( $i = 0; $i<$name_len ; $i++ )
     $str .= substr( $allchar, mt_rand (0,62), 1 ) ;
   return $str ;
 }

/**
*@todo : 重命名文件名,并保存新文件名
*/
 function reName($filename)
 {
   if ($this->nd_rename_file)
   {
     $newname = $this->rndName().$this->getExt($filename);
     $this->nd_finalfile = $newname;
     return $this->nd_upload_dir.$newname;
   }
   else
   {
     $this->nd_finalfile = $filename;
     return $this->nd_upload_dir.$filename;
   }
 }

 function chkExt($filename)
 {
   return in_array(strtolower($this->getExt($filename)), $this->nd_arr_ext_accepted);
 }

 function showError()
 {
   switch ($this->nd_copyCode)
   {
     case 0:$errmsg = '文件变量为非上传文件！';
       break;
     case 1:$errmsg = '文件体积超过系统设置！';
       break;
     case 2:$errmsg = '不允许的文件类型！';
       break;
     case 3:$errmsg = '！';
       break;
     case 4:$errmsg = '存在同名文件并且无法删除！';
       break;
     case 5:$errmsg = '存在同名文件（设置不覆盖）！';
       break;
     case 6:$errmsg = '文件上传成功！';
       break;
     case 7:$errmsg = '无法拷贝上传文件到指定位置！';
       break;
     case 8:$errmsg = '。！';
       break;
     default:
       break;
   }
   if ($errmsg)
   {
     echo $errmsg."
";
   }
 }
}
?>

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