父页面的代码
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Index</title>
<script src="js/jquery-1.9.min.js"></script>
</head>
<body>
<iframe src="form.php" width="800px" height="600px"></iframe>
<iframe src="form.php" width="800px" height="600px"></iframe>
<iframe src="form.php" width="800px" height="600px"></iframe>
<iframe src="form.php" width="800px" height="600px"></iframe>
<iframe src="form.php" width="800px" height="600px"></iframe>
<iframe src="form.php" width="800px" height="600px"></iframe>
<button>aa</button>
</body>
<script type="text/javascript">
function submitAll(){
var ifms = document.getElementsByTagName(‘iframe‘);
for (var i = 0; i < ifms.length; i++) {
var win = (ifms[i].contentWindow || ifms[i]);
win.submitMe();
}
}
$("button").click(
function () {
submitAll()
})
</script>
</html>
form表单的页面
<script type="text/javascript">
function submitMe(){
document.getElementById(‘testForm‘).submit();
}
function submitAll(){
window.parent.submitAll();
}
</script>
原文：https://www.cnblogs.com/nice2018/p/11393532.html