zhuce.php

<form id="form1" name="form1" method="post" action="yanzhen.php">
  <p>
    <label>new name
      <input type="text" name="name" id="name" />
    </label>
  </p>
  <p>
    <label>new password
      <input type="password" name="password" id="password" />
    </label>
  </p>

 <p>
    <label>new password again
      <input type="password" name="newpassword" id="newpassword" />
    </label>
  </p>
    <label>
      <input type="submit" name="post" id="post" value="register" />
    </label>
   <a href='login.php'>返回</a>
  </p>
</form>