来自聚合物文档:
当用户成功认证时会触发google-signin-success事件,如果不是这样,则会触发google-signin-failure。这两个事件还将提供 Google 客户端身份验证过程返回的数据。您还可以使用isAuthorized
属性来观察身份验证状态。
当用户尝试注销并成功注销时,会触发其他事件,例如google-signout-attempted和
google-signed- out。
当通过 google-signin-aware 元素请求的范围需要额外的用户权限时,会触发google-signin-necessary事件。
https://elements.polymer-project.org/elements/google-signin
<google-signin ... id="myLoginIn"></google-signin>
<script>
var t = document.querySelector('#t');
t.addEventListener('google-signin-success', function(data) {
...
});
</script>
或者您可以使用:
<google-signin client-id="{{my-id}}" scopes="email profile" signed-in="{{signedIn}}"></google-signin>
<google-signin-aware
scopes="{{scope}}"
signed-in="{{signedIn}}"
is-authorized="{{isAuthorized}}"
need-additional-auth="{{needAdditionalAuth}}"
on-google-signin-aware-success="handleSignIn"
on-google-signin-aware-signed-out="handleSignOut"></google-signin-aware>
然后你可以得到这样的用户名:
var aware = document.querySelector('#awareness');
aware.handleSignIn = function(response) {
console.log('[Aware] Signin Response', response);
var userName = gapi.auth2.getAuthInstance().currentUser.get().getBasicProfile().getName();
};
在这里您可以找到完整的演示:https ://github.com/GoogleWebComponents/google-signin/blob/master/demo/index.html