How to use Swagger with ThinkPHP6

Swagger is a popular API document generation tool that can help developers easily create, design and deploy API interfaces. In this article, we will introduce how to use Swagger to generate API documentation in ThinkPHP6, and use Swagger-UI to view and test API interfaces.

Step one: Install Swagger-UI and Swagger-Annotations

To use Swagger in ThinkPHP6, you need to install the Swagger-UI and Swagger-Annotations libraries. They can be installed through Composer, just run the following command in the project root directory:

composer require zircote/swagger-php
composer require swagger-api/swagger-ui

Step 2: Add Swagger-Annotations in the controller

To use Swagger in the controller , you need to add Swagger-Annotations in the controller's annotations. For example, here is a sample controller and sample code using Swagger-Annotations in it:

<?php
namespace appcontroller;

use thinknnotationouteGroup;
use thinknnotationouteMiddleware;
use thinkController;

/**
* @Group("/api/v1")
* @Middleware(class="ppmiddlewareToken")
*/
class UserController extends Controller
{
    /**
    * 用户列表接口
    *
    * @SwaggerGet(
    *     path="/user/list",
    *     summary="获取用户列表",
    *     tags={"User"},
    *     @SwaggerResponse(response="200", description="OK"),
    *     @SwaggerResponse(response="401", description="Unauthorized"),
    * )
    */
    public function index()
    {
        // 代码逻辑
    }
}

In the above code, we have used the @Group annotation to specify the route prefix of the controller , use the @Middleware annotation to specify the controller middleware. In the index method, we use the @SwaggerGet annotation to specify the information required for the GET request, such as request path, interface summary, label and response information, etc.

Step 3: Generate Swagger document

There are many ways to generate Swagger document, including manually writing Swagger document, using Swagger editor, using Swagger generator, etc. Here, we will use the command line tool provided by Swagger-Annotations to automatically generate Swagger documentation.

Enter the following command in the project root directory:

php think swagger output json > swagger.json

This will output the Swagger document into a JSON file using the output command in Swagger-Annotations.

Step 4: Use Swagger-UI to view and test the API interface

Now that we have generated the Swagger document, we need to display it. We can use Swagger-UI to view and test API interfaces.

Create a new directory in the project public/swagger, and copy all the static files downloaded from the Swagger-UI official website to this directory. Then, we need to modify the url variable in the index.html file to point it to the Swagger document we just generated.

var url = "../swagger.json";

Finally, open http://localhost/swagger in the browser to see the Swagger-UI interface. Here, you can browse the API interface documentation, test the API interface, and view the request and response information of the API interface.

Summary:

The above are all the steps to use Swagger to generate API documents in ThinkPHP6. By using Swagger, developers can more easily complete the documentation, testing and deployment of API interfaces, improve development efficiency and reduce development costs. However, attention should also be paid to protecting the security of API interfaces to prevent malicious attacks and data leaks.

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