服务器上代码
页面上代码
服务器上图片
搞了一下午也没成功,页面还是修改之前样子,换过浏览器。
回家访问还是修改之前样子~~~~
到底怎么回事啊,求大神啊啊。。。
回复讨论(解决方案)
用了什么框架? 清一下缓存后试试
用了什么框架? 清一下缓存后试试
我也不知道,今天第一天去公司,主管让我改图片,我也是用FlashFXP工具在服务器上修改的,只能看见PHP代码,看不见后台代码,我也不知道用的什么框架。我没用过PHP,FlashFXP工具也是第一次使用,头大啊。。。
用了什么框架? 清一下缓存后试试
网站后台管理提供了清楚缓存的功能,试过了,还是没用。。。
用 FlashFXP 将相关文件下载到本地,改过之后再传上去。
用 FlashFXP 将相关文件下载到本地,改过之后再传上去。
我把页面下载下来修改后覆盖上去的,还是没效果。。。。。。
用 FlashFXP 将相关文件下载到本地,改过之后再传上去。
大神,求救啊。。。。加俺QQ聊吧,救俺一命吧
大神,别潜水啊,我在坐等你回复啊
你图片名称好像不对啊,guanggao_bz1.jpg

In PHP, you can use session_status() or session_id() to check whether the session has started. 1) Use the session_status() function. If PHP_SESSION_ACTIVE is returned, the session has been started. 2) Use the session_id() function, if a non-empty string is returned, the session has been started. Both methods can effectively check the session state, and choosing which method to use depends on the PHP version and personal preferences.

Sessionsarevitalinwebapplications,especiallyfore-commerceplatforms.Theymaintainuserdataacrossrequests,crucialforshoppingcarts,authentication,andpersonalization.InFlask,sessionscanbeimplementedusingsimplecodetomanageuserloginsanddatapersistence.

Managing concurrent session access in PHP can be done by the following methods: 1. Use the database to store session data, 2. Use Redis or Memcached, 3. Implement a session locking strategy. These methods help ensure data consistency and improve concurrency performance.

PHPsessionshaveseverallimitations:1)Storageconstraintscanleadtoperformanceissues;2)Securityvulnerabilitieslikesessionfixationattacksexist;3)Scalabilityischallengingduetoserver-specificstorage;4)Sessionexpirationmanagementcanbeproblematic;5)Datapersis

Load balancing affects session management, but can be resolved with session replication, session stickiness, and centralized session storage. 1. Session Replication Copy session data between servers. 2. Session stickiness directs user requests to the same server. 3. Centralized session storage uses independent servers such as Redis to store session data to ensure data sharing.

Sessionlockingisatechniqueusedtoensureauser'ssessionremainsexclusivetooneuseratatime.Itiscrucialforpreventingdatacorruptionandsecuritybreachesinmulti-userapplications.Sessionlockingisimplementedusingserver-sidelockingmechanisms,suchasReentrantLockinJ

Alternatives to PHP sessions include Cookies, Token-based Authentication, Database-based Sessions, and Redis/Memcached. 1.Cookies manage sessions by storing data on the client, which is simple but low in security. 2.Token-based Authentication uses tokens to verify users, which is highly secure but requires additional logic. 3.Database-basedSessions stores data in the database, which has good scalability but may affect performance. 4. Redis/Memcached uses distributed cache to improve performance and scalability, but requires additional matching

Sessionhijacking refers to an attacker impersonating a user by obtaining the user's sessionID. Prevention methods include: 1) encrypting communication using HTTPS; 2) verifying the source of the sessionID; 3) using a secure sessionID generation algorithm; 4) regularly updating the sessionID.


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