<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//wapforun//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<input title="体重" emptyok="false" name="weight" format="*N" type="text"/>
   <do type="accept" label="HowMuch">
  <go href="post2.php" method="post">
   <postfield name="weight" value="$(weight)"/>
  </go>
  </do>
</anchor>
</card>
</wml>

//post2.php

<?php
  header("Content-type:text/vnd.wap.wml");
  echo "<wml><card><p>";
  echo date("l \\\\t\\h\\e jS") . "<br/>";
  echo "你的体重:" . $_POST["weight"];
  echo "</p></card></wml>";
?>