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// config.php
return [
    // ...
    'file_upload_path' => './uploads/', // ÉÏ´«Ä¿Â¼ÉèÖÃ
    // ...
];

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namespace app\index\controller;

use think\Controller;
use think\Request;

class Upload extends Controller
{
    public function index()
    {
        // »ñÈ¡ÉÏ´«µÄͼƬÐÅÏ¢
        $file = Request::instance()->file('image');
        
        // ÉúÑÄÔÚÒ»¸ö×Ô½ç˵µÄĿ¼ÖÐ
        $info = $file->move(ROOT_PATH . 'public' . DS . 'uploads');
        if($info){
            echo $info->getSaveName(); // Êä³öuploads/a.jpg
        }else{
            echo $file->getError();
        }
    }
}

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namespace app\index\model;

use think\Model;

class Upload extends Model
{
    // »ñÈ¡ÉÏ´«Ä¿Â¼
    public function getUploadDir()
    {
        return './uploads/';
    }
    
    // ÉÏ´«Îļþ
    public function upload($file)
    {
        $path = $this->getUploadDir();
        // ...
    }
}

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