问题 docman 组件 下载中文名文件时乱码?有高手解决过这个问题吗

function download($inline = false)
    {
		// Fix [3164]
		while (@ob_end_clean());
 
		if( $this->_isLink ){
			header( "Location: " . substr( $this->name , 6 ) );
			return;
		}
 
		$fsize = @filesize($this->path.$this->name);
		$mod_date = date('r', filemtime( $this->path.$this->name ) );
 
		$cont_dis = $inline ? 'inline' : 'attachment';
 
		// required for IE, otherwise Content-disposition is ignored
		if(ini_get('zlib.output_compression'))  {
			ini_set('zlib.output_compression', 'Off');
		}
 
        header("Pragma: public");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Expires: 0");
 
        header("Content-Transfer-Encoding: binary");
		header('Content-Disposition:' . $cont_dis .';'
			. ' filename="' . iconv('utf-8','gb2312',$this->name) . '";'
			. ' modification-date="' . $mod_date . '";'
			. ' size=' . $fsize .';'
			); //RFC2183
        header("Content-Type: "    . $this->mime );			// MIME type
        header("Content-Length: "  . $fsize);
 
        if( ! ini_get('safe_mode') ) { // set_time_limit doesn't work in safe mode
		    @set_time_limit(0);
        }
 
 		// No encoding - we aren't using compression... (RFC1945)
		//header("Content-Encoding: none");
		//header("Vary: none");
 
 
        $this->readfile_chunked($this->path.$this->name);
        // The caller MUST 'die();'
    }

. ' filename="' . $this->name . '";'