1)在iframe中查找父頁面元素的方法:
$('#id', window.parent.document)javascript
2)在iframe中調用父頁面中定義的方法和變量:
parent.method
parent.valuehtml
3)實例java
1.父頁面
jquery
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="IframeDemo._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title>
<script language="javascript" type="text/javascript" src="jquery-1.5.1.min.js"></script>
<script language="javascript" type="text/javascript">
var hello = 'hello';
function getHelloWorld() {
alert('hello world');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="default" style=" width:200px; height:400px; float:left;">default.aspx</div>
<iframe id="iframeid" src="IFrame.aspx" style=" width:400px; height:400px; float:left;"></iframe>
</div>
</form>
</body>
</html>
2.子頁面
spa
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="IFrame.aspx.cs" Inherits="IframeDemo.IFrame" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title></title> <script language="javascript" type="text/javascript" src="jquery-1.5.1.min.js"></script> <script language="javascript" type="text/javascript"> $(function() { //在iframe中查找父頁面元素 alert($('#default', window.parent.document).html()); //在iframe中調用父頁面中定義的方法 parent.getHelloWorld(); //在iframe中調用父頁面中定義的變量 alert(parent.hello); }); </script> </head> <body> <form id="form1" runat="server"> <div id="iframe"> IFrame.aspx </div> </form> </body> </html>