上传附件（图片base64）封装方法

上传附件（图片base64）封装方法

php

上传附件，base64

项目中封装的接口：

 public  function error($msg){
        header("Content-type: application/json");
        $o['time'] = "".time();
        $o['code'] = '1';
        $o['errorMsg'] = $msg;
        echo json_encode($o);
        die;
    }

 public function Attachment(){
        $d = array_merge($_POST,$_GET);
        if( empty($d['attachment']) ) $this->error("附件不能为空");
        //匹配出图片的格式
        if (!preg_match('/^(data:\s*image\/(\w+);base64,)/', $d['attachment'], $result))    $this->error('格式错误!');
        $type = $result[2];
        $attachment = $d['attachment'];
        $filename = date('His') . strtolower( base_convert(md5(microtime() . $_SERVER['DOCUMENT_ROOT']), 16, 10));
        $imgurl = "upload/";
        $imgurl = imgurl . $filename . "." . $type;
        file_put_contents($imgurl, base64_decode(str_replace($result[1], '', $attachment)))；
        return $imgurl;
    }