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动态改变页面中iframe

2012-10-07 22:43 169 查看
iframe.html:

<!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>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title></title>

</head>

<body>

<div style="width:200px;height:200px;background:red;"></div>

</body>

</html>

iframe2.html:

<!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>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

</head>

<body>

<div style="width:200px;height:500px;background:green;"></div>

</body>

</html>

demo.html:

<!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>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title></title>

<script>

window.onload=function(){

var oInput=document.getElementsByTagName('input');

var oIframe=document.getElementById('iframe1');

function changeHeight(){

setTimeout(function(){oIframe.height=oIframe.contentWindow.document.body.offsetHeight;},100)//添加定时器的目的是让,点击按钮的时候浏览器有个反应过程

}

changeHeight();

oInput[0].onclick=function(){

oIframe.src="iframe.html";

changeHeight();

};

oInput[1].onclick=function(){

oIframe.src="iframe2.html";

changeHeight();

};

};

</script>

</head>

<body>

<input type="button" value="改变1"/>//取消以往的行间事件

<input type="button" value="改变2"/>

<iframe src="iframe.html" scrolling="no" id="iframe1"/>

</body>

</html>
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