


When laravel5.2 is transplanted to a new server, except for the '/' route, the pages corresponding to other routes display a 404 error (Object not found!)
1.服务器系统:linux系统
2.Web环境:lamp(Linux+Apache+Mysql+PHP)[使用的Linux版本的xampp软件集成包]
(1).不是storage和Bootstrap/cache文件夹权限问题。
(2).用laravel5.2做的项目在window系统本地端(wamp)测试其它页面显示可行。在Linux服务器(lnmp)环境测试其它页面也是可以显示。
回复内容:
1.服务器系统:linux系统
2.Web环境:lamp(Linux+Apache+Mysql+PHP)[使用的Linux版本的xampp软件集成包]
(1).不是storage和Bootstrap/cache文件夹权限问题。
(2).用laravel5.2做的项目在window系统本地端(wamp)测试其它页面显示可行。在Linux服务器(lnmp)环境测试其它页面也是可以显示。
1.打开 /etc/httpd/conf/httpd.conf(使用xampp: /opt/lampp/etc/httpd.conf).
2.确保DocumentRoot 指向的目录是laravel中public文件夹。如果不是需要改为如下:
<code>DocumentRoot "/var/www/html/laravel/public/" <directory> Allowoverride All </directory></code>
注意:(/var/www/html 是存放laravel目录。 一般linux默认是/var/www/html目录下,Xampp的是在/opt/lampp/htdocs/目录下。 使用xampp上面/var/www/html/laravel/public/ 改为/opt/lampp/htdocs/laravel/public/)
3.确定laravel public目录下.htaccess文件有下面的代码(如果没有请将下面代码添加进去):
<code><ifmodule mod_rewrite.c> <ifmodule mod_negotiation.c> Options -MultiViews </ifmodule> RewriteEngine On # Redirect Trailing Slashes... RewriteRule ^(.*)/$ /$1 [L,R=301] # Handle Front Controller... RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^ index.php [L] </ifmodule></code>
4.重启Apache服务器。sudo service httpd restart (使用 Xampp的 :
先关闭:/opt/lampp/lampp stop 再重启:/opt/lampp/lampp start
详细参考:http://stackoverflow.com/questions/21458080/the-requested-url-projectname-users-was-not-found-on-this-server-laravel/24354757#24354757
url重写。
应该是URL重写的问题
Apache
Laravel 框架通过 public/.htaccess 文件来让网址不需要 index.php。如果你的服务器是使用 Apache,请确认是否有开启 mod_rewrite 模块。
如果 Laravel 附带的 .htaccess 文件在 Apache 中无法使用的话,请尝试下方的做法:
<code>Options +FollowSymLinks RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^ index.php [L] </code>
Nginx
若你使用了 Nginx,则可以在网站设置中增加以下设置:
<code>location / { try_files $uri $uri/ /index.php?$query_string; }</code>

Reasons for PHPSession failure include configuration errors, cookie issues, and session expiration. 1. Configuration error: Check and set the correct session.save_path. 2.Cookie problem: Make sure the cookie is set correctly. 3.Session expires: Adjust session.gc_maxlifetime value to extend session time.

Methods to debug session problems in PHP include: 1. Check whether the session is started correctly; 2. Verify the delivery of the session ID; 3. Check the storage and reading of session data; 4. Check the server configuration. By outputting session ID and data, viewing session file content, etc., you can effectively diagnose and solve session-related problems.

Multiple calls to session_start() will result in warning messages and possible data overwrites. 1) PHP will issue a warning, prompting that the session has been started. 2) It may cause unexpected overwriting of session data. 3) Use session_status() to check the session status to avoid repeated calls.

Configuring the session lifecycle in PHP can be achieved by setting session.gc_maxlifetime and session.cookie_lifetime. 1) session.gc_maxlifetime controls the survival time of server-side session data, 2) session.cookie_lifetime controls the life cycle of client cookies. When set to 0, the cookie expires when the browser is closed.

The main advantages of using database storage sessions include persistence, scalability, and security. 1. Persistence: Even if the server restarts, the session data can remain unchanged. 2. Scalability: Applicable to distributed systems, ensuring that session data is synchronized between multiple servers. 3. Security: The database provides encrypted storage to protect sensitive information.

Implementing custom session processing in PHP can be done by implementing the SessionHandlerInterface interface. The specific steps include: 1) Creating a class that implements SessionHandlerInterface, such as CustomSessionHandler; 2) Rewriting methods in the interface (such as open, close, read, write, destroy, gc) to define the life cycle and storage method of session data; 3) Register a custom session processor in a PHP script and start the session. This allows data to be stored in media such as MySQL and Redis to improve performance, security and scalability.

SessionID is a mechanism used in web applications to track user session status. 1. It is a randomly generated string used to maintain user's identity information during multiple interactions between the user and the server. 2. The server generates and sends it to the client through cookies or URL parameters to help identify and associate these requests in multiple requests of the user. 3. Generation usually uses random algorithms to ensure uniqueness and unpredictability. 4. In actual development, in-memory databases such as Redis can be used to store session data to improve performance and security.

Managing sessions in stateless environments such as APIs can be achieved by using JWT or cookies. 1. JWT is suitable for statelessness and scalability, but it is large in size when it comes to big data. 2.Cookies are more traditional and easy to implement, but they need to be configured with caution to ensure security.


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