ThinkPHP V5.0 图片上传base64

1/**
2 * 单图上传
3 * @return bool|mixed|string
4 */
5protected function uploading_qrcode($images = '',$name ='')
6{
7    if(empty($images)) $this->result($images, 0, '图片错误');
8    if (preg_match('/^(data:\s*image\/(\w+);base64,)/',$images,$result)){
9        $type = $result[2];//图片后缀
10        $new_file =Env::get('root_path') . 'public' . DIRECTORY_SEPARATOR . 'uploads' . DIRECTORY_SEPARATOR . 'images';//文件路径
11        $url = DIRECTORY_SEPARATOR . date("Ymd", time()) . DIRECTORY_SEPARATOR;//文件路径
12        $new_file=$new_file.$url;//文件路径
13        if (!file_exists($new_file)) {
14            //检查是否有该文件夹，如果没有就创建，并给予最高权限
15            mkdir($new_file, 0777,true);
16        }
17
18        $filename = $name. ".{$type}"; //文件名
19        $new_file = $new_file . $filename;//全部路径
20        $url = $url.$filename;//存储路径
21        //写入操作
22        if(file_put_contents($new_file, base64_decode(str_replace($result[1], '', $images)))) {
23            $url = 'uploads' . DIRECTORY_SEPARATOR . 'images' . $url;;
24            return $url;
25        }
26    }
27}