正则验证用户名
跨域postmessage
要用到俩个虚拟机:
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>10.1</title>
</head>
<body>
<div>
<h1>www.s1mple.com</h1>
</div>
</body>
<script>
window.addEventListener('message', (event) => {
if (event.origin === 'http://www.s1mple1.com') {
const cookieData = event.data;
//处理cookieData
console.log('Receive message from parent:', cookieData);
window.parent.postMessage('child message', '*');
}
})
</script>
</html>
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>iframe</title>
</head>
<body>
<iframe id="myIframe" src="http://www.s1mple.com/" frameborder="0"></iframe>
</body>
<script>
window.onload = function() {
document.cookie = 'sessionid=example'
const cookieData = document.cookie
window.frames[0].postMessage(cookieData, 'http://www.s1mple.com/');
}
//添加一个监听事件处理子页面的返回消息
window.addEventListener('message', (event) => {
if(event.origin === 'http://www.s1mple.com')
console.log('Received message from child:', event.data);
})
</script>
</html>