Html5 - 跨浏览器iframe postmessage - 孩子到父母? [英] Html5 - Cross Browser Iframe postmessage - child to parent?
问题描述
我一直在关注本教程 - http://www.youtube.com/watch?v=R2hOvZ7bwXU,它基本上解释了如何使用postmessage在iframe和父级之间安全地传递消息 - 你基本上最终得到了这样的结果 - http:// html5demos .com / postmessage2
我的问题是我需要它以相反的方式工作(子对父),并且不知道如何定位父窗口。
这是我的接收器代码(在父项中) -
function handlingMsg(e)
{alert(works)
if(e.origin ==http://uc.dialogue.net)
{
var blah = e.data;
alert(blah);
}
else {alert(error);}
}
addEventListener(message,handlingMsg,true);
,这是由简单表单触发的发送者函数(在child中) -
var text = $('。srchInput')。val();
window.parent.postMessage(text,http://uc.dialogue.net);
我应该以不同的方式瞄准父母吗?
干杯
保罗
var eventMethod = window。 addEventListener? addEventListener:attachEvent;
var eventer = window [eventMethod];
var messageEvent = eventMethod ==attachEvent? onmessage:消息;
//收听来自子窗口的消息
eventer(messageEvent,function(e){
var key = e.message?message:data;
var data = e [key];
// run function //
},false);
在父页面中处理上述内容,并在子页面中处理以下内容 -
parent.postMessage(loadMyOrders,*); //任何域上的```
从这里。
I've been following this tutorial - http://www.youtube.com/watch?v=R2hOvZ7bwXU, which basically explains how to use postmessage to securely pass a message between iframe and parent - you basically end up with something like this - http://html5demos.com/postmessage2
My problem is that I need it to work the opposite way round (child to parent) and dont know how to target the parent window.
this is my receiver code (in the parent) -
function handlingMsg(e)
{alert("works")
if(e.origin == "http://uc.dialogue.net")
{
var blah = e.data;
alert(blah);
}
else{alert("error");}
}
addEventListener("message",handlingMsg, true);
and this is the sender function that is triggered by a simple form (in child) -
var text=$('.srchInput').val();
window.parent.postMessage(text, "http://uc.dialogue.net");
Should I be targeting the parent in a different way?
Cheers Paul
var eventMethod = window.addEventListener ? "addEventListener" : "attachEvent";
var eventer = window[eventMethod];
var messageEvent = eventMethod == "attachEvent" ? "onmessage" : "message";
// Listen to message from child window
eventer(messageEvent,function(e) {
var key = e.message ? "message" : "data";
var data = e[key];
//run function//
},false);
Got it to work with the above in the parent page and the following in the child page -
parent.postMessage("loadMyOrders","*"); // `*` on any domain
Code copied from here.
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