Mercurial > urweb

view tests/cookieSec.ur @ 1893:9a1097954188

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
compileC: Link libraries in the right order This is needed, at least on recent Ubuntu, to fix this linker error when compiling any Ur/Web application: ld: /tmp/webapp.o: undefined reference to symbol 'uw_write' Signed-off-by: Anders Kaseorg <andersk@mit.edu> --- src/compiler.sml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
author Anders Kaseorg <andersk@mit.edu>
date Thu, 21 Nov 2013 14:32:11 -0500
parents f2a2be93331c
children
line wrap: on
line source
table t : {Id : int}

cookie c : int

fun setter r =
    setCookie c (readError r.Id);
    return <xml>Done</xml>

fun writer () =
    ido <- getCookie c;
    case ido of
        None => error <xml>No cookie</xml>
      | Some id => dml (INSERT INTO t (Id) VALUES ({[id]}));
                   return <xml>Done</xml>

fun main () = return <xml><body>
  <form>
    <textbox{#Id}/> <submit value="Get cookie" action={setter}/>
  </form>

  <form>
    <submit value="Write to database" action={writer}/>
  </form>
</body></xml>