类不符合psr-4自动加载标准。跳绳

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我尝试使用作曲家自动加载，但出现此错误

作曲家.json

{
    "autoload":{
        "psr-4":{
            "App":"app/"
        },
        "files": ["app/functions/helper.php"]
    },
    "require": {
        "vlucas/phpdotenv": "^2.4",
        "altorouter/altorouter": "^1.2",
        "philo/laravel-blade": "^3.1"
    },
    "config":{
        "optimize-autoloader":true
    }
}

我的终端输出

Generating optimized autoload files
Class AppControllersBaseController located in D:/php/Xamp/htdocs/MVC_PHP/appcontrollersBaseController.php does not comply with psr-4 autoloading standard. Skipping.
Class AppControllersIndexControllers located in D:/php/Xamp/htdocs/MVC_PHP/appcontrollersIndexControllers.php does not comply with psr-4 autoloading standard. Skipping.
Class AppRoutingDispatcher located in D:/php/Xamp/htdocs/MVC_PHP/approutingRoutingDispatcher.php does not comply with psr-4 autoloading standard. Skipping.
Generated optimized autoload files containing 508 classes

回答

在PSR-4标准要求的文件和目录区分大小写和相应的类和命名空间是在PascalCase。

对于AppControllersBaseController类，该文件应位于：

app/Controllers/BaseController.php

注意大写 C

第二个错误：对于顶级命名空间之后的任何命名空间，必须有一个同名的目录。
您有一个AppRoutingDispatcher应该放置为的类，app/RoutingDispatcher.php但该app/routing/RoutingDispatcher.php文件将对应于一个AppRoutingRoutingDispatcher类。
您必须更改该类的命名空间或移动文件。

如果更改其命名空间，请务必app/routing使用前导大写字母重命名目录。

  • @FrankChen the standard requires you to have a *top level namespace* corresponding to a *root directory*, this is what you configure in your **composer.json** in `autoload.psr4`: `"SomeTopLevelNamespace": "some/root-directory"`, both of those parts don't need to be named the same as you can see in the [section 3 of the document](https://www.php-fig.org/psr/psr-4/). However, it is very common (I'd even say *standard*) to put all of your PHP classes in a `src` directory.
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