[PHP知识库]php转发上传文件请求

public function upload()
{
        ini_set('upload_max_filesize', '20M');
        ini_set('post_max_size', '20M');
        ini_set('memory_limit', '128M');
        $file = $_FILES['file'];
        if ($file['error'] != 0) {
            // 文件上传错误
            var_dump($file);
            die;
        }
        $url = 'http://127.0.0.1:8080/group1/upload';
        $params = [];
        if (class_exists('\CURLFile')) {
            echo 1;die;
            $params['file'] = new \CURLFile(realpath($file['tmp_name']), $file['type'], $file['name']);
        } else {
            $params['file'] = '@' . realpath($file['tmp_name']) . ";type=" . $file['type'] . ";filename=" . $file['name'];
        }
        $res = curlPost($url, $params);
        dump($res);
}

function curlPost(string $url, array $params = []): array
{
    $ch = curl_init();
    // 设置选项，包括URL
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_POST, 1);
    // 携带请求参数
    curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
    // 取消ssl验证
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    // 执行并获取HTML文档内容
    $output = curl_exec($ch);
    $res = ["code" => 200, "msg" => "请求成功", 'data' => $output];
    if ($output === false) {
        $res = ["code" => 500, "msg" => curl_error($ch)];
    }
    //释放curl句柄
    curl_close($ch);
    return $res;
}