src/Contracts/HttpService.php
public static function post($url, $data = [], $options = [])
    {
        $options['data'] = $data;
        return self::request('post', $url, $options);
    }
public static function post($url, $data = [], $options = [])
    {
        $options['data'] = $data;
        return self::request('post', $url, $options);
    }
以post访问模拟访问
@param string $url 访问URL
@param array $data POST数据
@param array $options
@return bool|string