cross.js
(function(global){
global.Cross = {
signalHandler: {},
on: function(signal, func){
this.signalHandler[signal] = func;
},
call: function(win, domain, signal, data, callbackfunc){
var notice = {"signal": signal, "data": data};
if(!!callbackfunc){
notice["callback"] = "callback_" + new Date().getTime();
Cross.on(notice["callback"], callbackfunc);
}
var noticeStr = JSON.stringify(notice);
win.postMessage(noticeStr, domain);
}
};
$(window).on("message", function(e) {
var realEvent = e.originalEvent,
data = realEvent.data,
swin = realEvent.source,
origin = realEvent.origin,
protocol;
try {
protocol = JSON.parse(data);
var result = global.Cross.signalHandler[protocol.signal].call(null, protocol.data);
if(!!protocol["callback"]){
Cross.call(swin, origin, protocol["callback"], {result: result});
}
if(/^callback_/.test(protocol.signal)){
delete Cross.signalHandler[protocol.signal];
}
} catch (e) {
console.log(e);
throw new Error("cross error.");
}
});
})(window);
a.html
<script><br />
function call_b(){<br />
var ifw = $("#ifr")[0].contentWindow;<br />
//调用iframe子页面的公开的test接口, 子页面域名为<a href="http://localhost:8088">http://localhost:8088<br />
Cross.call(ifw,"<a href="http://localhost:8088","test",{t">http://localhost:8088","test",{t: $("#txt").val()});<br />
}<br />
</script>
call
">http://localhost:8088/b.html">>
b.html
<script><br />
//对外公开一个接口命名为test<br />
Cross.on("test", function(data){<br />
alert(data.t);<br />
});<br />
</script>
以上就是本文所述的iframe跨域的解决方案了,希望大家能够喜欢。
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