postMessage的文档意味着跨域消息传递是可能的。但是:我该如何做跨域postMessage?
// When the popup has fully loaded, if not blocked by a popup blocker
这不是很清楚的记的如何真正做到这一点。
想象一下两个网站:
- [家长]托管在
qc-a.nfshost.com
- (孩子)托管在
qc-b.quadhome.com
在父:
document.addEventListener('message', function(e) {
alert('Parent got (from ' + e.origin + '): ' + e.data);
e.source.postMessage('Round-tripped!', 'http://qc-b.quadhome.com');
}, false);
function go() {
var w = window.open('http://qc-b.quadhome.com', 'test');
/* This doesn't work because same-origin policy prevents knowing when
the opened window is ready. */
w.postMessage('Vain attempt.', 'http://qc-b.quadhome.com');
}
而且,在小孩:
document.addEventListener('message', function(e) {
alert('Child got (from ' + e.origin + '): ' + e.data);
}, false);
window.opener.postMessage('Ready!', 'http://qc-a.nfshost.com');
全部无济于事。
帮助?
总之,我是个白痴。用'window'代替'document',通过'window.opener.postMessage'完成回调。谢谢! – 2010-07-26 07:45:40
适应我们最好的:) – 2010-07-26 07:47:59