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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | $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 } |