title: In spring MVC, how to get full request URL including the fragment, like http://stackoverflow.com/myquestion#test=1234
body: <p>I want to know  how to get full request url 
  I need #test=1234 but using HttpServletRequest request.getRequestURI() or request.getRequestURL().toString()
  return path only, like <a href="https://stackoverflow.com/myquestion">https://stackoverflow.com/myquestion</a>
  Help me</p>