浏览器实现登录入口

浏览器 实现的登录入口

if (!isset($_SERVER['PHP_AUTH_USER'])) {

    header('WWW-Authenticate: Basic realm="My Realm"');

    header('HTTP/1.0 401 Unauthorized');

    echo 'Text to send if user hits Cancel button';

    exit;

  } else {

    $_SERVER['PHP_AUTH_USER'] == "syl" && $_SERVER['PHP_AUTH_PW'] =="123123" ? $tag = true : $tag = false;
if($tag==false){
header("WWW-Authenticate:Basic realm=重新登录"); 
header("HTTP/1.0 401 Unauthorized");  
echo "身份验证失败，您没有在本站注册!";  
}
echo "login is success";

  }