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$file = JRequest::getVar( 'template_full_image', '', 'files', 'array' );//获得传过来的图片 jimport('joomla.filesystem.file'); $filenameext=explode(".",$file['name']); $filenameextcount=count($filenameext); $outputfile= time().".".$filenameext[(int)$filenameextcount-1]; $filepath = JPath::clean(JPATH_ROOT.DS.'components/com_templateshow/upload/images/'.strtolower($outputfile)); if (!JFile::upload($file['tmp_name'], $filepath)) { JError::raiseWarning(100, JText::_('Error. Unable to upload file')); return; }else{ $types = $filenameext[(int)$filenameextcount-1]; list($width, $height) = getimagesize($filepath); $thumb = JPath::clean(JPATH_ROOT.DS.'components/com_templateshow/upload/images/s_'.strtolower($outputfile)); if('gif' == $types ){ $gif = imagecreatefromgif($filepath); imagesavealpha($gif,true); $gifc = imagecreate(156, 145); imagealphablending($gifc,false); imagesavealpha($gifc,true); imagecopyresampled($gifc,$gif, 0, 0, 0, 0, 156, 145, $width, $height); imagegif($gifc,$thumb); } if( 'jpg' ==$types || 'jpeg' ==$types ){ $gif = imagecreatefromjpeg($filepath); $gifc = imagecreatetruecolor(156, 145); imagecopyresampled($gifc,$gif, 0, 0, 0, 0, 156, 145, $width, $height); imagejpeg($gifc,$thumb); } if( 'png' ==$types ){ $gif = imagecreatefrompng($filepath); imagesavealpha($gif,true); $gifc = imagecreatetruecolor(156, 145); imagealphablending($gifc,false); imagesavealpha($gifc,true); imagecopyresampled($gifc,$gif, 0, 0, 0, 0, 156, 145, $width, $height); imagepng($gifc,$thumb); } $row->template_full_image = strtolower($outputfile); //缩略图文件赋值给字段 }