<?php
require 'TLSSigAPI.php';
$api = new Tencent\TLSSigAPI();
$api->SetAppid(1400202415);
$private = file_get_contents(dirname(__FILE__).DIRECTORY_SEPARATOR.'private_key');
$api->SetPrivateKey($private);
$sig = $api->genSig('xiaojun');
var_export($sig);