index.html
parent.html
sub.html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Test</title>
<script type="text/javascript">
function getSub(grandpa,parent,target)
{
//alert('ok');
var frameObjId = document.getElementById(grandpa);
var cognosSdkIfr = frameObjId.contentWindow.document.getElementById(parent);
var biccObjId = cognosSdkIfr.contentWindow.document.getElementById(target);
alert(biccObjId.value);
}
</script>
</head>
<body>
This is in grandpa.<br/>
<iframe id="grandpa" src="http://ayue05.blog.163.com/blog/parent.html" width="400px" height="300px"></iframe>
<br/>
<a href="http://ayue05.blog.163.com/blog/#" οnclick="getSub('grandpa','parent','inputtest')">取得sub</a>
</body>
</html>
<html>
<head>
<title>Father</title>
</head>
<body>
In father.<br/>
<iframe id="parent" src="http://ayue05.blog.163.com/blog/sub.html"></iframe>
</body>
</html>
<html>
<head>
<title>sub</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body>
<div id="subcontent" class="color:red;">
输入字符，点击下面链接获取内容
<input id="inputtest" type="text" name="test"/>
</div>
</body>
</html>
parent.html
sub.html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Test</title>
<script type="text/javascript">
function getSub(grandpa,parent,target)
{
//alert('ok');
var frameObjId = document.getElementById(grandpa);
var cognosSdkIfr = frameObjId.contentWindow.document.getElementById(parent);
var biccObjId = cognosSdkIfr.contentWindow.document.getElementById(target);
alert(biccObjId.value);
}
</script>
</head>
<body>
This is in grandpa.<br/>
<iframe id="grandpa" src="http://ayue05.blog.163.com/blog/parent.html" width="400px" height="300px"></iframe>
<br/>
<a href="http://ayue05.blog.163.com/blog/#" οnclick="getSub('grandpa','parent','inputtest')">取得sub</a>
</body>
</html>
<html>
<head>
<title>Father</title>
</head>
<body>
In father.<br/>
<iframe id="parent" src="http://ayue05.blog.163.com/blog/sub.html"></iframe>
</body>
</html>
<html>
<head>
<title>sub</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body>
<div id="subcontent" class="color:red;">
输入字符，点击下面链接获取内容
<input id="inputtest" type="text" name="test"/>
</div>
</body>
</html>