iframe高度自适应。

<script type="text/javascript">
function ResizeIframe() {
var iframeCount = document.getElementsByTagName("iframe").length;
for (var i = 0; i < iframeCount; i++) {
var iframeTemp = document.getElementsByTagName("iframe").item(i);

iframeTemp.height = iframeTemp.contentWindow.document.documentElement.scrollHeight;

}
}
window.onload = ResizeIframe;
</script>

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