segmentfault笔记删除成功提示判断实现思路？
如图：我的笔记页面是通过什么在判断笔记删除这个alert提醒？
换句话说笔记删除成功执行以后是如何通知我的笔记页面显示这个提醒？
回复内容：
如图：我的笔记页面是通过什么在判断笔记删除这个alert提醒？
换句话说笔记删除成功执行以后是如何通知我的笔记页面显示这个提醒？
这是一次性session,如果你用过CI,laravel,YII类似框架的话,手册里面都有介绍一次性session,字面意思理解就是这个session值用一次就删掉。
操作成功或失败将信息写入一次性session里。
这个消息提醒视图在所有页面均存在,若存在对应一次性session就输出。
ajax就行
我觉得这个跨页面消息传递的本质是 服务器向浏览器发送实时消息
一般有 3 种方法：
ajax 轮询 （容易实现，服务器压力高，实时性差）
长链接 （黑科技，似乎不好实现）
websocket （web 消息机制的希望）
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