There are two main methods for request verification in Laravel: controller verification and form request classes. 1. The validate() method in the controller is suitable for simple scenarios, directly passing in rules and automatically returning errors; 2. The FormRequest class is suitable for complex or reusable scenarios, creating classes through Artisan and defining rules in rules() to achieve code decoupling and reusing; 3. The error prompts can be customized through messages() to improve user experience; 4. Defining field alias through attributes() to make the error message more friendly; the two methods have their advantages and disadvantages, and the appropriate solution should be selected according to project needs.

The core of handling HTTP requests and responses in Laravel is to master the acquisition of request data, response return and file upload. 1. When receiving request data, you can inject the Request instance through type prompts and use input() or magic methods to obtain fields, and combine validate() or form request classes for verification; 2. Return response supports strings, views, JSON, responses with status codes and headers and redirect operations; 3. When processing file uploads, you need to use the file() method and store() to store files. Before uploading, you should verify the file type and size, and the storage path can be saved to the database.

Database Factory is a tool in Laravel for generating model fake data. It quickly creates the data required for testing or development by defining field rules. For example, after using phpartisanmake:factory to generate factory files, sets the generation logic of fields such as name and email in the definition() method, and creates records through User::factory()->create(); 1. Supports batch generation of data, such as User::factory(10)->create(); 2. Use make() to generate uninvented data arrays; 3. Allows temporary overwriting of field values; 4. Supports association relationships, such as automatic creation

Laravel custom authentication provider can meet complex user management needs by implementing the UserProvider interface and registering with the Auth service. 1. Understand the basics of Laravel's authentication mechanism. Provider is responsible for obtaining user information. Guard defines the verification method. EloquentUserProvider and SessionGuard are used by default. 2. Creating a custom UserProvider requires the implementation of retrieveById, retrieveByCredentials, validateCredentials and other methods. For example, ApiKeyUserProvider can be used according to

The most common way to generate a named route in Laravel is to use the route() helper function, which automatically matches the path based on the route name and handles parameter binding. 1. Pass the route name and parameters in the controller or view, such as route('user.profile',['id'=>1]); 2. When multiple parameters, you only need to pass the array, and the order does not affect the matching, such as route('user.post.show',['id'=>1,'postId'=>10]); 3. Links can be directly embedded in the Blade template, such as viewing information; 4. When optional parameters are not provided, they are not displayed, such as route('user.post',

ArtisanTinker is a powerful debugging tool in Laravel. It provides an interactive shell environment that can directly interact with applications to facilitate rapid problem location. 1. It can be used to verify model and database queries, test whether the data acquisition is correct by executing the Eloquent statement, and use toSql() to view the generated SQL; 2. It can test the service class or business logic, directly call the service class method and handle dependency injection; 3. It supports debugging task queues and event broadcasts, manually trigger tasks or events to observe the execution effect, and can troubleshoot problems such as queue failure and event failure.

To go beyond Laravel's built-in authentication system, it can be implemented through custom authentication logic, such as handling unique login processes, third-party integrations, or user-specific authentication rules. 1. You can create a custom user provider, obtain and verify the user from non-default data sources by implementing the UserProvider interface and defining methods such as retrieveById, and register the provider in config/auth.php. 2. Custom login logic can be written in the controller, such as adding additional checks after calling Auth::attempt(), or using Auth::login() to manually authenticate users. 3. You can use middleware to perform additional verification, such as checking whether the user is "active"

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