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QQ怎么实现登录的时候已知道客户端有没有登录的?然后还可以一键登录?

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Release： 2023-02-28 11:44:01
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QQ怎么实现登录的时候已知道客户端有没有登录的?然后还可以一键登录?

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如图网页怎么知道我本地应用的情况的?

回复内容：

也可以是个服务 你上任何QQ的网站都会发出通知QQ这个服务就可以告诉是否登陆

插件相当于运行在浏览器中的本地程序，可以干很多JS不能干的事情，比如调用本地程序，读写本地文件，访问网络等。用插件跟本地的QQ通信是很简单的事情。

由于插件的权限很大，所以才会有很多恶意插件出现，一般安全软件都有恶意插件检测功能



Related labels：
QQ，客户端，一键登录
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