php5与mysql5 web 开发技术详解-10 php会话管理php5与mysql5 web 开发技术详解-10 p
会话管理是web开发的一项重要内容,包括Session和Cookie两种技术。
1、Cookie工作原理
setcookie()
2、Cookie应用开发
只能读取所在域
单一域不能超过20个Cookie,每个Cookie文件长度上限位4k字节,浏览器最多储存300个cookie
6个属性:name , value ,expires ,path ,domain ,secure
保存表单内容
控制访问授权
3、写个通用Cookie类
4、解决方案
cookie存取优化
可将一系列cookie数据保存到数组中
检测客户端是否支持
首次运行尝试设置一个cookie,然后调用
二级域名实现
setcookie( name , value ,expires ,path ,'domain.com‘,secure )
cookie安全
cookie限制
5、session概念
6、session配置
7、session应用
创建
修改
查看当前sessionid
改变过期时间 session.cookie_lifetime
销毁当前session会话
8、session编码与解码
session_encode()
session_decode()
9、session中保存数组
10、session中保存对象
11、session存取优化
12、多服务器下共享session(重要)
13、session安全

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