postMessagePortal.ht ML 页面代码
复制代码
代码如下:
<!DOCTY PE html>
<t IT le>标题</title>
<link rel="stylesheet" hr ef="styles.css">
<link rel="icon" href="http://a Press .COM /favicon.ico">
<script></p>
<p> VAR t arg etOri gin = "http://22527.vhost20.boxcdn.cn";</p>
<p>var defaultTitle = "Portal";
var notificationTimer = null;</p>
<p>function messageHandler(e) {
if (e.origin == targetOrigin) {
notify(e.data);
} else {
// ignore messages From other origins
}
}</p>
<p>function sendString(s) {
document.getElementById("widget").contentWindow.postMessage(s, targetOrigin);
}</p>
<p>
function notify(message) {
stopBlinking();
blinkTitle(message, defaultTitle);
}</p>
<p>function stopBlinking() {
if (notificationTimer !== null) {
clearTimeout(notificationTimer);
}
document.title = defaultTitle;
}</p>
<p>function blinkTitle(m1, m2) {
document.title = m1;
notificationTimer = setTimeout(blinkTitle, 1000, m2, m1)
}</p>
<p>function sen dstat us() {
var stat usText = document.getElementById("statusText").value;
sendString(statusText);
}</p>
<p>function loadDemo() {
document.getElementById("sendButton").addEventListener("click", sendStatus, true);
document.getElementById("stopButton").addEventListener("click", stopBlinking, true);
sendStatus();
}
window.addEventListener("load", loadDemo, true);
window.addEventListener("message", messageHandler, true);</p>
<p></script></p>
<p>< h1 >跨域通讯</h1>
传递信息：<input type="text" id="statusText" value="Online">
<button id="sendButton">确定</button>
<ifr am e id="widget" src="http://22527.vhost20.boxcdn.cn/postMessageWidget.html"></iframe>
<p>
<button id="stopButton">停止标题闪烁</button>
</p>
postMessageWidget.html页面的代码
复制代码
代码如下:
<!DOCTYPE html>
<title>标题</title>
<link rel="stylesheet" href="styles.css">
<script></p>
<p>var targetOrigin = "http://www.w ei xiu0376.cn";</p>
<p>// TODO whitelist array</p>
<p>function messageHandler(e) {
if (e.origin === "http://www.weixiu0376.cn") {
document.getElementById("status").textContent = e.data;
} else {
// ignore messages f rom other origins
}
}</p>
<p>function sendString(s) {
window.top.postMessage(s, targetOrigin);
}</p>
<p>function loadDemo() {
document.getElementById("actionButton").addEventListener("click",
function() {
var messageText = document.getElementById("messageText").value;
sendString(messageText);
}, true);</p>
<p>}
window.addEventListener("load", loadDemo, true);
window.addEventListener("message", messageHandler, true);</p>
<p></script>
<p>显示接收信息: < strong id="status"></strong><p>
<div>
<input type="text" id="messageText" value="填写消息内容">
<button id="actionButton">发送消息</button>
</div>
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