How to develop projects with thinkphp5 (step analysis)

ThinkPHP5 is an open source PHP language development framework designed to make PHP development simpler and faster. Since the release of the first version, it has gained support and welcome from the majority of developers. Before starting to develop the thinkphp5 project, we need to master the following steps:

1. Environment configuration
   ThinkPHP5 requires PHP version 5.4 or above, Apache or Nginx server and MySQL database. Therefore, before starting development, you need to ensure that your environment configuration meets the above requirements. PHP version information can be viewed by visiting the PHPINFO page. In addition, ThinkPHP5 also supports various currently popular development tools, such as PHPStorm, etc.
2. Create project
   Use the command line tool and enter the following command to create a project named "demo":

composer create-project topthink/think demo --prefer-dist

After the execution is completed, it will be returned on the command line Create project success message. Now enter the project directory and enter the following command to start the project:

php think run

3. Configuration
   ThinkPHP5 uses configuration files to store project configuration information. You can find the app.php file in the config directory under the application directory. This file contains many configuration options for the project. For example, you can configure database link information, URL routing rules, debugging mode, etc. here.
4. Routing
   In ThinkPHP5, routing refers to the way to handle user requests. You can tell the framework how business logic should be handled by defining routing rules. The default route is configured in the route.php file. You can assign requests to the corresponding business logic controllers and methods by defining a routing array, specifying different request types (GET, POST, PUT, etc.) and request URL rules (supporting the URL definition method of RESTful API).
5. Controller and model
   Controller and model are important code structures in ThinkPHP5, where the controller is the logical processing center and the model is the interface for accessing data. In ThinkPHP5, the controller can be placed in the controller directory of the application directory, and the model can be placed in the model directory of the application directory. In the controller, we can call the model and operate on the data. What needs to be noted here is that the model needs to inherit the Think\Model class.
6. View
   The view is the page that the user sees. It can be code written in HTML, PHP or other front-end languages. In ThinkPHP5, view files are stored in the view directory by default. You can render template output from a controller by calling a view method within the controller (such as the view() method).

The above are the key steps that need to be mastered to develop a project based on ThinkPHP5. The task left for you is to try to use ThinkPHP 5 to develop a simple second-hand trading platform or blog website!

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