A question about Laravel Route redirection
这篇文章主要给大家介绍了关于Laravel Route重定向的一个注意点,文中给出了详细的示例代码，有需要的朋友可以参考借鉴，下面来一起看看吧。
发现问题
最近在做项目发现一个奇怪的现象，我的路由配置里有如下配置：
Route::group(array('prefix'=>'admin','before'=>'adminauth'),function(){
// 管理员登录
Route::get('/',function(){
return Redirect::to('admin/login');
});
Route::get('login','UserController@adminLogin');
}目的是无论用户输入”admin”，还是”admin/login”都能跳转到登录界面。然而现实情况是输入”admin”之后，浏览器会无限重定向，firebug记录如下：
GET /public/admin/ 301 Moved Permanently GET admin 301 Moved Permanently GET admin 301 Moved Permanently GET /public/admin/ 301 Moved Permanently GET admin 301 Moved Permanently GET /public/admin/ 301 Moved Permanently GET admin 301 Moved Permanently ....
经过一番搜索后试验，终于得出结论，问题有两点：
1.public目录下正好有个admin目录，存放后台相关js和css
2.laravel自带的.htaccess的这样一条规则：
RewriteEngine On
# Redirect Trailing Slashes...
RewriteRule ^(.*)/$ /public/$1 [L,R=301] #注意这条
# Handle Front Controller...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]解释一下原理：
访问public/admin目录时，apache会自动转成”public/admin/”的形式，而这种形式正好符合重写的规则，又被重写回”public/admin”的形式。因为public/admin目录确实存在，所以请求根本不会到达index.php。
所以故事就是这样，因为301那条规则的存在，无限重定向产生了。
解决方案：
1.不要把public目录下已有的目录名做为路由地址
2.301规则前加一条”RewriteCond %{REQUEST_FILENAME} !-d”，但是这样会使该目录被直接访问。建议生产环境中关掉apache的autoindex模块(呃，我发现我用的wamp关掉这个模块apache就启动不了了- -!)。
补充：
经过一些实验，建议将.htaccess文件改成如下：
RewriteEngine On
# Redirect Trailing Slashes...
RewriteCond %{REQUEST_FILENAME} !-d #防止真实目录导致循环重定向
RewriteRule ^(.*)/$ /public/$1 [L,R=301]
# Handle Front Controller...
#RewriteCond %{REQUEST_FILENAME} !-d #防止用户直接打开真实目录
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]以上就是本文的全部内容，希望对大家的学习有所帮助，更多相关内容请关注PHP中文网！
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