<input type="submit" name="Submit" value="Submit" onclick="getval()">
给你的iframe取一个id
<script>
getval(){
var ifr = parent.iframeid.iform;
ifr.action = "_parent";
ifr.submit();}
</script>
给你的iframe取一个id
<script>
getval(){
var ifr = parent.iframeid.iform;
ifr.action = "_parent";
ifr.submit();}
</script>
getval(){
var ifr = parent.page2.iform;
ifr.action = "_parent";
ifr.submit();}
</script>
是否正确
var ifr = parent.document.all.page2.iform;
ifr.taeget = "_parent";
ifr.submit();}
</script>
var ifr = parent.document.all.page2.document.iform;
ifr.taeget = "_parent";
ifr.submit();}
</script>
==========
iframe.jsp<%@ page language="java" %>
<form name="iform" method="post" action="get.jsp">
<div align="center">
<p>
<input name="id" type="text" id="id">
<input name="sub" type="submit" value="submit"> </p>
</div>
</form>in main.jsp
===============<input type=button value="submit" onclick="document.frames('iframe').document.iform.sub.click()"><input type=button value="submit" onclick="document.all['iframe'].document.iform.sub.click()">建议iframe的名字和表单的名字用不同的名字
<form name="iform" method="post" action="get.jsp" target="_top">
<div align="center">
<p>
<input name="id" type="text" id="id">
<input name="sub" type="submit" style="display:none"> </p>
</div>
</form>main.jsp<%@ page language="java" %>
<table width="75%" height="75" border="1" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><IFRAME name="iframe" SCROLLING="yes" src="iframe.jsp" width="100%" height="100%" id="page2"></IFRAME></td>
</tr>
</table>
<div align="center">
<input type="submit" name="Submit" value="Submit" onclick="document.frames('iframe').document.iform.sub.click()">
</div>get.jsp<%@ page language="java" %>
<%
String id=request.getParameter("id");
out.println(id);
%>