iframe宽高自适应
iframe子页面结尾添加本script
iframe子页面结尾添加本script
<script type="text/javascript">
function iframeAuto() {
try {
if (window != parent) {
//定位需要调整的frame框架(在父级窗口中查找)
var a = parent.document.getElementsByTagName("iframe");
for (var i = 0; i < a.length; i++) {
if (a[i].contentWindow == window) {
var h1 = 0, h2 = 0;
a[i].parentNode.style.height = a[i].offsetHeight + "px";
a[i].style.height = "10px"; //首先设置高度为10px,后面会修改
if (document.documentElement && document.documentElement.scrollHeight) {
h1 = document.documentElement.scrollHeight;
}
if (document.body) h2 = document.body.scrollHeight;
var h = Math.max(h1, h2); //取两者中的较大值
if (document.all) { h += 4; }
if (window.opera) { h += 1; }
//调整框架的大小
a[i].style.height = a[i].parentNode.style.height = h + "px";
}
}
}
}
catch (ex) { }
}
//事件绑定的方法,支持IE5以上版本
if (window.attachEvent) {
window.attachEvent("onload", iframeAuto);
}
else if (window.addEventListener) {
window.addEventListener('load', iframeAuto, false);
}
</script>

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