title: Retrieving HTTP parameters in Grails
body: <p>the request was sent from an HTML form, the request body contains the form data,how can i retrieve that data in my Grails application.Below is the URL from where i need to retrieve data.I'm a Rookie in Grails so please help me with this.</p>
  
  <pre><code>hxxp//localhost:8080/copypolicyNumber/loginaction.jsp?fname=Roger&amp;lname=wallace&amp;city=Des+Moines&amp;pnum=123456&amp;submit=Submit
  </code></pre>