PHP檔案下載類別_PHP教程

複製程式碼 程式碼如下:

   
//======================================== ===== =======   
//   使用範例：   
// $download=new download('php,exe,html',false);   
//  (! $download->downloadfile($filename))   
//  {   
//    echo $download->geterrorms ================================ =============   
類別下載{   
  var $debug=true;   
  var $errormsg='';   
  var $Fil. $mineType='text /plain';   
  var $xlq_filetype=array();   

  函數下載($fileFilter='',$isde Filter );   
        $this->setdebug($isdebug);           
  函數setFilter($fileFilter)   
  {   
    if (empty($fileFilter)) return ;   
        $this->Filter=explode(',',strtolower($fileFil );  🎜>  {   
    $this->debug=$debug;   
  }   

  函數setfilename($filename)   
  }   

  函數downloadfile($filename)   
  {   
    $this->setfilename($filename);      {   
          $fn = array_pop ( explode('/', strtr($this->filename, '\', '/' ) ) ）；   
          header(“Pragma: public”);   
      header(“過期時間：0”) ; // 設定過期時間   
      header(「Cache-Component: Must-revalidate, post-check=0, pre-check= );   
      header(「內容長度：」。 filesize($this->檔案名稱));   
      header(「處置中：附件；filename="$fn"」);   
  $this->檔案名稱);   
      返回true；   
        }否則    false；   
        }   
  }   
  函數geterrormsg() >    return $this->errormsg;   
  }

  函數filecheck()   
  {   
    $filename=$this->filename;          {   
           $filetype=strtolower(array_pop (explode('.',$filename)));   
           if(in_array($filetype,$this->Filter))             $this->errormsg.=$filename.'不允許下載！ ';   
                 if($this->debug) exit($filename.'不允許下載！') ;   
                返回 false；   
           }其他   
           {   
            if  function_exists( "mime_content_type" ) )   
                 {   
           $this->mineType = mime_content_type( $filename );   
         }   
                    {   
                    if( isset($this-& ->xlq_filetype[$filetype];   
                 }   
                         回復 true;   
                 else   
                  $this->errormsg.='取得'.$filename.'檔案類型時發生錯誤，或預先存在的檔案類型';   
                        if($this->debug) exit('取得檔案類型錯誤);   
                        返回 false；   
                }   
           }    
        } 否則   
        {   
          $this->errormsg.=$filename.'不存在！' ;   
          if($this->debug) exit($filename.'不存在!') ;   
          返回 false；   
        }   
  }   

  function setfiletype()   
  {   
    $this->xlq_filetype['chm']='application/octet-stream';   
    $this->xlq_filetype['ppt']='application/vnd.ms-powerpoint';   
    $this->xlq_filetype['xls']='application/vnd.ms-excel';   
    $this->xlq_filetype['doc']='application/msword';   
    $this->xlq_filetype['exe']='application/octet-stream';   
    $this->xlq_filetype['rar']='application/octet-stream';   
    $this->xlq_filetype['js']="javascript/js";   
    $this->xlq_filetype['css']="text/css";   
    $this->xlq_filetype['hqx']="application/mac-binhex40";   
    $this->xlq_filetype['bin']="application/octet-stream";   
    $this->xlq_filetype['oda']="application/oda";   
    $this->xlq_filetype['pdf']="application/pdf";   
    $this->xlq_filetype['ai']="application/postsrcipt";   
    $this->xlq_filetype['eps']="application/postsrcipt";   
    $this->xlq_filetype['es']="application/postsrcipt";   
    $this->xlq_filetype['rtf']="application/rtf";   
    $this->xlq_filetype['mif']="application/x-mif";   
    $this->xlq_filetype['csh']="application/x-csh";   
    $this->xlq_filetype['dvi']="application/x-dvi";   
    $this->xlq_filetype['hdf']="application/x-hdf";   
    $this->xlq_filetype['nc']="application/x-netcdf";   
    $this->xlq_filetype['cdf']="application/x-netcdf";   
    $this->xlq_filetype['latex']="application/x-latex";   
    $this->xlq_filetype['ts']="application/x-troll-ts";   
    $this->xlq_filetype['src']="application/x-wais-source";   
    $this->xlq_filetype['zip']="application/zip";   
    $this->xlq_filetype['bcpio']="application/x-bcpio";   
    $this->xlq_filetype['cpio']="application/x-cpio";   
    $this->xlq_filetype['gtar']="application/x-gtar";   
    $this->xlq_filetype['shar']="application/x-shar";   
    $this->xlq_filetype['sv4cpio']="application/x-sv4cpio";   
    $this->xlq_filetype['sv4crc']="application/x-sv4crc";   
    $this->xlq_filetype['tar']="application/x-tar";   
    $this->xlq_filetype['ustar']="application/x-ustar";   
    $this->xlq_filetype['man']="application/x-troff-man";   
    $this->xlq_filetype['sh']="application/x-sh";   
    $this->xlq_filetype['tcl']="application/x-tcl";   
    $this->xlq_filetype['tex']="application/x-tex";   
    $this->xlq_filetype['texi']="application/x-texinfo";   
    $this->xlq_filetype['texinfo']="application/x-texinfo";   
    $this->xlq_filetype['t']="application/x-troff";   
    $this->xlq_filetype['tr']="application/x-troff";   
    $this->xlq_filetype['roff']="application/x-troff";   
    $this->xlq_filetype['shar']="application/x-shar";   
    $this->xlq_filetype['me']="application/x-troll-me";   
    $this->xlq_filetype['ts']="application/x-troll-ts";   
    $this->xlq_filetype['gif']="image/gif";   
    $this->xlq_filetype['jpeg']="image/pjpeg";   
    $this->xlq_filetype['jpg']="image/pjpeg";   
    $this->xlq_filetype['jpe']="image/pjpeg";   
    $this->xlq_filetype['ras']="image/x-cmu-raster";   
    $this->xlq_filetype['pbm']="image/x-portable-bitmap";   
    $this->xlq_filetype['ppm']="image/x-portable-pixmap";   
    $this->xlq_filetype['xbm']="image/x-xbitmap";   
    $this->xlq_filetype['xwd']="image/x-xwindowdump";   
    $this->xlq_filetype['ief']="image/ief";   
    $this->xlq_filetype['tif']="image/tiff";   
    $this->xlq_filetype['tiff']="image/tiff";   
    $this->xlq_filetype['pnm']="image/x-portable-anymap";   
    $this->xlq_filetype['pgm']="image/x-portable-graymap";   
    $this->xlq_filetype['rgb']="image/x-rgb";   
    $this->xlq_filetype['xpm']="image/x-xpixmap";   
    $this->xlq_filetype['txt']="text/plain";   
    $this->xlq_filetype['c']="text/plain";   
    $this->xlq_filetype['cc']="text/plain";   
    $this->xlq_filetype['h']="text/plain";   
    $this->xlq_filetype['html']="text/html";   
    $this->xlq_filetype['htm']="text/html";   
    $this->xlq_filetype['htl']="text/html";   
    $this->xlq_filetype['rtx']="text/richtext";   
    $this->xlq_filetype['etx']="text/x-settext";   
    $this->xlq_filetype['tsv']="text/tab-separated-values";   
    $this->xlq_filetype['mpeg']="video/mpeg";   
    $this->xlq_filetype['mpg']="video/mpeg";   
    $this->xlq_filetype['mpe']="video/mpeg";   
    $this->xlq_filetype['avi']="video/x-msvideo";   
    $this->xlq_filetype['qt']="video/quicktime";   
    $this->xlq_filetype['mov']="video/quicktime";   
    $this->xlq_filetype['moov']="video/quicktime";   
    $this->xlq_filetype['movie']="video/x-sgi-movie";   
    $this->xlq_filetype['au']="音訊/基本";   
    $this->xlq_filetype['snd']="音訊/基本";   
    $this->xlq_filetype['wav']="audio/x-wav";   
    $this->xlq_filetype['aif']="audio/x-aiff";   
    $this->xlq_filetype['aiff']="audio/x-aiff";   
    $this->xlq_filetype['aifc']="audio/x-aiff";   
    $this->xlq_filetype['swf']="application/x-shockwave-flash";   
  }   
}   
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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/317357.htmlTechArticle複製程式碼如下： ? //================================================ == == ==== //使用範例： //$download=newdownload('php,exe,html',false); //if(!$download-downloadfile($f...