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ThinkPHP6 Getting Started Guide: Quickly get started with the ThinkPHP6 framework

王林Original: 2023-08-12 13:06:253935browse

ThinkPHP6 Getting Started Guide: Quickly Get Started with the ThinkPHP6 Framework

Introduction:
ThinkPHP6 is a powerful and flexible PHP development framework with rich functions and convenient Development experience. This article will introduce you to the basic knowledge of ThinkPHP6 and provide some code examples to help beginners quickly get started with the ThinkPHP6 framework.

1. Install ThinkPHP6
First of all, you need to ensure that your server environment meets the requirements of ThinkPHP6. Then, you can install ThinkPHP6 by following these steps:

Create a new ThinkPHP6 project using Composer:

composer create-project topthink/think your_project_name

Enter the project directory:
```
cd your_project_name
```
Start the built-in server:
```
php think run
```

2. Routing configuration
ThinkPHP6 provides flexible and easy-to-use routing configuration functions. You can map URLs to specific controllers and methods. In the route directory of the project, you can find the routing configuration file route.php.

The following is a simple routing configuration example, mapping the URL /index to the index method of the Index controller:

<?php
use thinkacadeRoute;

Route::get('/index', 'index/index');

3. Controller and View
In ThinkPHP6, the controller is responsible for processing logic and returning data, and the view is responsible for rendering the page.

Create a controller:
Use the command line tool and execute the following command in the project directory to generate a controller named Index:
```
php think make:controller index
```
The generated Index controller is located in the appcontroller directory.
Define the method in the controller:
Open the Index controller and add a method named index:
```
public function index()
{
 return 'Hello, ThinkPHP6!';
}
```
Create a view:
In the app iew directory, create a view file named index with the file extension .html. In this file, write the following code:
```
<!DOCTYPE html>
<html>
<head>
 <title>ThinkPHP6</title>
</head>
<body>
 <h1>Hello, ThinkPHP6!</h1>
</body>
</html>
```
Correspondence between routing and controller methods:
Add routing in the routing configuration file route.php Rules, map the URL /index to the index method of the Index controller:
```
<?php
use thinkacadeRoute;

Route::get('/index', 'index/index');
```

4. Model And database operations
ThinkPHP6 provides convenient model and database operation functions, allowing you to easily interact with the database.

Create a model:
Use the command line tool and execute the following command in the project directory to generate a model named User:
```
php think make:model User
```
The generated User model is located in the appmodel directory.
Define the database connection and table name in the model:
Open the User model and add the following code to the model class:
```
protected $connection = '数据库连接名';
protected $table = '表名';
```

Example of database query operation:
In the controller method, you can use the following code to perform database query operation:

use appmodelUser;

// 查询列表
$userList = User::select();
// 查询单条记录
$user = User::where('id', 1)->find();
// 插入数据
$data = ['name' => 'Tom', 'age' => 22];
User::create($data);
// 更新数据
User::where('id', 1)->update(['age' => 23]);
// 删除数据
User::where('id', 1)->delete();

5. Middleware
ThinkPHP6 supports middleware functions, which you can operate before or after the request is processed or during route matching.

Define middleware:
Create a new middleware in the middleware directory of the project, with a class name of CheckAuth.

<?php
namespace appmiddleware;

class CheckAuth
{
 public function handle($request, Closure $next)
 {
     // 执行一些操作
     return $next($request);
 }
}

Configure middleware:
Add the following code to the middleware.php file in the middleware directory of the project:
```
<?php
return [
 ppmiddlewareCheckAuth::class
];
```

Using middleware:
In the routing configuration file route.php, you can use middleware in the following ways:

<?php
use appcontrollerIndex;
use thinkacadeRoute;

Route::get('/index', 'index/index')->middleware('CheckAuth');

Conclusion:
This article introduces the basic knowledge of ThinkPHP6 and provides some usage examples to help beginners quickly get started with the ThinkPHP6 framework. Hopefully, through this guide, readers can quickly master ThinkPHP6 and start using it to develop their own PHP applications.

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