文件上传

<form action="{:U(‘Index/upload‘)}" enctype=‘multipart/form-data‘ method=‘post‘>
        <input type="file" name=‘photo‘>
        <input type="submit" value=‘提交‘>
    </form>

public function upload(){
        $upload=new \Think\Upload();
        $upload->maxSize=3145728;
        $upload->exts=array(‘jpg‘,‘gif‘,‘png‘,‘jpeg‘,‘bmp‘,‘xlsx‘,‘docx‘,‘pdf‘,‘rar‘,‘zip‘);
        $upload->rootPath=‘./Uploads/‘;
        $upload->savePath=‘‘;
        if ($upload->upload()) {
            $this->success(‘上传成功‘);
        }else{
            $this->error($upload->getError());
        }
    }