curl 上传文件

$data = array(
    'hello' => 'dafdf',
    'test' => '@' . __FILE__ //文件绝对路径前加@，curl会自动解析为上传文件
);
$ch = curl_init();
curl_setopt_array($ch, array(
    CURLOPT_URL => 'locahost/test/file.php',
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS => $data,
//    CURLOPT_PROXY => '127.0.0.1:8888', //这一行是用代理抓下发送的http包
));
echo curl_error($ch);
$result = curl_exec($ch);