tp5上传图片并生成缩略图

<?php
namespace app\common\controller;
use app\common\model\Goods;
class Tools
{

    public static function upload_goods_img($whereName="", $width="", $height="")
    {

        // 打开图片的相对路径
        $imgpath = config('img_path');
        // 绝对路径
        $imgRootPath = config('imgRootPath');
        $storeId = '自定义';
        $merchantId = '自定义';
        $old_filename = $storeId . $merchantId . time();
        $filename = $storeId . $merchantId . time() . mt_rand(1000, 9999);
        $type = Goods::upload($whereName, $old_filename);
        if($type) 
        {
            $savepath = $imgRootPath . '/' . $whereName . '/' . $filename . '.' . $type;
            $thumbfile = $filename . '.' . $type;
            $thumbName = $imgpath  . '/' . $whereName . '/' . $thumbfile;

            $image = \think\Image::open($imgpath . '/'. $whereName .'/' . $old_filename . '.' . $type);
            $image->thumb($width, $height, \think\Image::THUMB_FIXED)->save($thumbName);

            $data = [
                'access_url' => $imgRootPath . '/' . $whereName . '/' . $filename . '.' . $type,
                'filename' => $thumbfile,
            ];

            return $data;
        }

    }    
}

调用： 

class Goods
{
    public function upload_sku()
    {
        $whereName = 'goods/sku';
        $width = 750;
        $height = 750;
        $data = Tools::upload_goods_img($whereName,$width, $height);
        return returnJson(1, '上传成功', $data);;
    }

}

转载自：https://blog.csdn.net/lingchen__/article/details/77936642