JS和PHP判断http还是https以及获得当前url的方法

$ecshop_cx_http_type = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';

echo $ecshop_cx_http_type . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>

var ecshop_cx_ishttps = 'https:' == document.location.protocol ? true: false;
if (ecshop_cx_ishttps)
{
    alert('https');
}
else
{
    alert('http');
}

/**
 * PHP判断当前协议是否为HTTPS
 */
function ecshop_cx_is_https()
{
    if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')
    {
        return true;
    }
    elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https' )
    {
        return true;
    }
    elseif (!empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off')
    {
        return true;
    }
    return false;
}

$http_type = $this->ecshop_cx_is_https();
if ($http_type)
{
    echo "是https";
}
else
{
    echo "是http";
}