我有这样的路线：
$this->get('/{citySlug}/{catSlug1?}/{catSlug2?}/{sightSlug?}', function () {
return 'Hello World';
});
如何在RouteServiceProvider.php中的 boot() 函数中绑定它进行检查？
我试试这个：
Route::bind('citySlug', function ($citySlug, $route) { ... });
Route::bind('catSlug1', function ($citySlug, $route) { ... });
Route::bind('catSlug2', function ($catSlug2, $route) { ... });
Route::bind('catSlug3', function ($catSlug3, $route) { ... });
Route::bind('sightSlug', function ($sightSlug, $route) { ... });
但是可选参数是错误的……上面有什么问题？
更新：
example.com/city_slug/cat1/cat2 It works.
example.com/city_slug/cat1/cat2/sight_slug It works.
example.com/city_slug/cat1/sight_slug It not works!
肯定是行不通的。尝试了解您正在使用的路线：-
$this->get('/{citySlug}/{catSlug1?}/{catSlug2?}/{sightSlug?}', function () {
return 'Hello World';
});
citySlug i.e. mandatory according to your route
catSlug1,catSlug2,sightSlug i.e this is not manadtory because you added question mark as per laravel documentation
现在您正在尝试访问此网址：-
example.com/city_slug/cat1/sight_slug --- Definitely it will not work because
your **sight_slug** is treat like **catSlug2**
that's why its not working
解决方案：-
For this you can use $_GET parameters and create one route something like that:-
$this->get('/filter-query', function () {
return 'Hello World';
});
现在您的网址将如下所示：-
example.com/filter-query?citySlug=cityname&cat1=catvalue&cat2=&sightSlug=sightslugvalue
之后在函数中您可以回显 $_GET 并且您的问题将得到解决。希望能帮助到你！
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