想问一个菜鸟级的问题,
动态网站是怎么使网站的每个网页都能记住哪个用户登录?
举个例子,我登录了微博,然后微博首页会显示我的信息流;然后我上微博应用页或者微群的页面,也会自动获取我的登录信息;
这是怎么实现的?谢谢
菜鸟啊,勿喷
回复讨论(解决方案)
是通过cookie吗?
一般是用户的信息存起来,然后域名相同的都会访问到这个信息,可以是cookie。
但是对于域名不同的,比如淘宝和天猫,但是用户信息也是互相相通的,这个时候他用的是jsonp来实现的跨域存储cookie。
cookies
在LZ进入微博应用页面的时候,页面会先检查LZ的cookies里是否有之前保存过的cookies,
并判断cookies中的内容是否正确,如果内容正确并且没过期,那LZ就不用输入任何内容了。
通常cookies里的内容都是经过服务器特定算法加密过的。
谢谢上面两位
头像是eva里的眼镜娘呀
------------------------------------------------------ AutoCSDN签名档------------------------------------------------------
码农场??码农播种代码、放牧思想的农场!cookies
在LZ进入微博应用页面的时候,页面会先检查LZ的cookies里是否有之前保存过的cookies,
并判断cookies中的内容是否正确,如果内容正确并且没过期,那LZ就不用输入任何内容了。
通常cookies里的内容都是经过服务器特定算法加密过的。
cookies或者session
现在网站基本是用cooking 或 session
看下session和cookie吧
用 cooking或者 session吧
打错了,是 cookie
session
session和cookie是没有错的。但是session和cookie的区别也是很明显的。上面的人没有一个为你解答清楚这个问题,我可以略微简单的将他们的区别和用途给你阐述下:
Session和Cookie的主要区别在于:
Cookie是把用户的数据写给用户的浏览器。
Session技术把用户的数据写到用户独占的$_SESSION中,存在服务器的某个路径的文件中。
Cookie可以被用户禁用,但是session无法禁用。
session的使用范围:
1:网上商城中的购物车
2:保存登录用户的信息
3:将某些数据放入到Session中,供同一用户的各个页面使用
4 :防止用户非法登录到某个页面
cookie的使用范围:
1:保存上次登录时间等信息
2:保存用户名、密码,在一定时间不用重新登录
3: 记录用户访问网站的喜好(比如有无背景音乐、网页的背景色是什么
4: 网站的个性化,比如定制网站的服务,内容。
其实掌握他们很容易的,就是掌握对session和cookie的增删该查即可。
这些知识是我在韩顺平的php视频中114讲-121讲中了解到的。
这里没有办法给你演示增删改查和项目中的实际应用,有兴趣你可以看韩老师的视频。

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