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ClassContent/项目合集/最新写真app/fontend/笔记.txt
2025-03-16 23:01:07 +08:00

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cookies:
把用户登录成功的状态放在请求头中
每次访问网址的时候,后端会从请求头中拿到cookies,
然后判断用户是否登录成功
缺点:
cookie可能被禁用;
cookie与浏览器相关,不能互相访问;
cookie可能被用户删除;
cookie安全性不够高;
cookie存储空间很小(只有4–10KB左右)
session:
生命周期是仅在当前浏览器窗口关闭前有效,不能持久保持。
在整个浏览器未关闭前,其数据一直都是存在的。存储大小一般为5M
localStorage:
http 协议 它是无状态
状态(是否登录)
http
http