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46 lines
1.5 KiB
46 lines
1.5 KiB
6 years ago
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<?php
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/* 图片处理类 */
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Image{
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public function thumbnail($source,$width,$height){
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//获取缩略图名称
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$source = str_replace("\\","/",$source);
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$imgarr = explode("/",$source);
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//获取图片信息
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$imginfo = getimagesize($source);
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//图片宽
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$img_w = $imginfo[0];
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//图片高
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$img_h = $imginfo[1];
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//获取源文件名
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$filename = end($imgarr);
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$imgname = explode(".",$filename);
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//缩略图名称
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$thumbnail_name = $imgname[0].'_thumb'.'.'.$imgname[1];
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//获取文件路径
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$dirname = dirname($source); //获取的路径最后没有/
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//缩略图完整路径
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$thumbnail_full = $dirname.'/'.$thumbnail_name;
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$image = new Imagick($source);
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// 创建缩略图
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//原图宽高大于缩略图
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if(($img_w > $width) || ($img_h > $height)){
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//$image->setImageCompressionQuality(90);
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$image->cropThumbnailImage( $width, $height );
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}
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//将缩略图输出到文件
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$image->writeImage( $thumbnail_full );
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//清理工作
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$image->clear();
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}
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//压缩图片
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public function compress($source){
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}
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}
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?>
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