Vue project, two domain names for the same site, to solve the cross domain login problem (Vue + ifram + PostMessage)

That year 2020-11-11 11:47:19
vue project domain names site


Project requirements :
One project, two domain names, of which a.com domain name , Nested b.com domain name
When entering b The page should be switched to b.com domain name , At the same time, it needs to be kept in a Login status under domain name

solve : Use ifram + postMessage

The main page a domain name

a Under the domain name to negotiate ifram label

 <iframe id="child" ref="iframBox" src="http://127.0.0.1:8082/#/mediation/liveRoom?partyids=680&id=334"></iframe>

a.com Under domain name , Click on Button Button jump B page (b.com domain name )

// Click event
videomediate () {
document.getElementById('child')
.contentWindow.postMessage({ meg: ' This is message', handleType: 'loginIfram', id: 666 },
"http://127.0.0.1:8082/#/mediation/liveRoom?partyids=680&id=334")
},

main.js
Because the page jumps first main.js , So I'll log in first when I get the message

When I get the message, I jump to the page In this way, the cross domain login problem can be solved when the page is redirected

window.addEventListener('message', function (e) {
if (e.data.handleType == 'loginIfram') {
var newWindow = window.open(); // Make a statement in advance so as to prevent Google from directly opening the web page
// Log in again
login({
password: '123456',
username: '15056382531',
}).then(res => {
console.log(' The current login is successful ');
newWindow.location.href = 'http://127.0.0.1:8082/#/mediation/liveRoom?partyids=680&id=334';
})
}
})
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