<?php


namespace app\service;


use think\exception\ValidateException;
use think\facade\Filesystem;

class Upload
{
    public  $error = '';

    /**
     * 保存单图
     *
     * @param $file
     * @param string $type
     * @return bool|mixed|string
     */
    public  function image($file,$type = 'common')
    {
        try{
            // 上传到本地服务器
            validate(['file'=>'fileSize:10240000|fileExt:jpg,png,jpeg|image'],
                ['file.fileSize'=>'文件大小不能超过10M',
                    'file.fileExt'=>'文件格式不支持',
                    'file.image'=>'文件格式不支持',])->check(['file'=>$file]);
            $savename = Filesystem::putFile( $type, $file);
            $savename = config('filesystem.disks.'.config('filesystem.default').'.url').'/'.$savename;
            $savename = str_replace('\\','/',$savename);
        }catch (ValidateException $e){
            $this->error = $e->getError();
            return false;
        }
        return $savename;
    }

    /**
     * 保存多图
     *
     * @param $files
     * @param string $type
     * @return array|bool
     */
    public function images($files,$type = 'comment')
    {
        if(empty($files) || !is_array($files)){
            $this->error = '上传文件有误';
            return false;
        }
        $savenames = [];
        foreach ($files as $file){
            $savename = $this->image($file,$type);
            if(!$savename){
                return false;
            }
            $savenames[] = $savename;
        }
        return $savenames;
    }
}