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<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="utf-8">
<title>iframe提交表单</title>
</head>
<body>
<iframe name="myiframe" style="display:none;" onload="iframeLoad(this);"></iframe>
<form action="form.php" target="myiframe" method="POST">
用户名:<input type="text" name="username" /><br/>
密 码:<input type="password" name="userpwd" /><br/>
<input type="submit" value="登录" />
</form>
<script type="text/javascript">
function iframeLoad(iframe){
var doc = iframe.contentWindow.document;
var html = doc.body.innerHTML;
if(html != ''){
//将获取到的json数据转为json对象
var obj = eval("("+html+")");
//判断返回的状态
if(obj.status < 1){
alert(obj.msg);
}else{
alert(obj.msg);
window.location.href="http://www.baidu.com";
}
}
}
</script>
</body>
</html>
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