<form name="form2" method="post" action="new.php" id="frm"><input type="submit" name="Submit2" value="新     增" onclick="frm.action='new.php';">
  &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;   &nbsp; &nbsp;
  <input type="submit" name="Submit3" value="修    改" onclick="frm.action='edit.php';">>
</form>

解决方案 »

  1.   

    <form name="form2" method="post"><input type="submit" name="Submit2" value="新     增" onclick="javascript:add()">
      &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;   &nbsp; &nbsp;
      <input type="submit" name="Submit3" value="修    改" onclick="javascript:modify()">
    </form>
    <script language="javascript">
    function add()
    {
    document.form1.action="add.html";
    document.form1.submit();}
    function modify()
    {
    document.form1.action="edit.html";
    document.form1.submit();}
    </script>这样看看
      

  2.   

    上面写错了几个地方:
    <form name="form2" method="post"><input type="submit" name="Submit2" value="新     增" onclick="javascript:add()">
      &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;   &nbsp; &nbsp;
      <input type="submit" name="Submit3" value="修    改" onclick="javascript:modify()">
    </form>
    <script language="javascript">
    function add()
    {
    document.form2.action="add.html";
    document.form2.submit();}
    function modify()
    {
    document.form2.action="edit.html";
    document.form2.submit();}
    </script>这样看看