CURLFile 代替 @-ajax跨域图片上传-利用php-curl-post

//CURLFile 代替 @
function ajaxUpload()
{
    $file_name = '';
    if(!$_FILES){ $this->function_class->jsonReturn('', 'pic信息为空', 101);exit; }
    foreach($_FILES as $k=>$v){
        $file_name = $k;
    }

    $data = array($file_name=>new CURLFile($_FILES[$file_name]['tmp_name']));
    $upload_url = sprintf($this->config->config['config_def']['moment_pic_upload_api'],$_SESSION['login_id']);
    $ret = $this->moment_model->https_request($upload_url,$data);
    echo $ret;exit;
}