How to implement a single page application using ThinkPHP6-ThinkPHP-php.cn

How to implement a single page application using ThinkPHP6

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Release： 2023-06-20 16:29:46

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With the rapid development of the Internet, Web applications have gradually transformed from traditional multi-page applications to single-page applications. Single page applications (SPA) provide users with a smoother and faster interactive experience, and can use Ajax and other technologies to seamlessly update page content and implement advanced functions such as dynamic routing. This article will introduce how to use ThinkPHP6 to implement a basic single-page application.

Install ThinkPHP6

First, we need to install the ThinkPHP6 framework. It can be installed through Composer. The specific method is as follows:

In the command line window, enter the directory where the project is located and enter the following command:

composer create-project topthink/think your_project_name

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Among them, your_project_name is the name of your project, you can set it yourself .

After the installation is completed, you can find a folder named public in the project directory, which contains the project's entry file index.php and some static resource files.

Create a basic page

Next, we need to create a basic HTML file to serve as the entry page for the SPA application. In the public folder, create a file named index.html with the following content:

<!DOCTYPE html>
<html>
<head>
    <title>SPA应用</title>
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
</head>
<body>
    <div id="app">
        <!-- 这里放置SPA应用的内容 -->
    </div>
    <script src="/static/js/vue.js"></script>
    <script src="/static/js/axios.js"></script>
    <script src="/static/js/app.js"></script>
</body>
</html>

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In this page, we introduced Vue.js and Axios.js JavaScript library, used to implement front-end data interaction and view rendering. At the same time, we defined a div with the ID app on the page to render the content of the SPA application.

Configuring routing

In ThinkPHP6, the routing configuration file is located in the app/route directory. We need to create a new file named router.php in this directory and add the following configuration:

use thinkacadeRoute;

Route::get('/', function () {
    return view('index');
});

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The function of this code is to redirect the root directory request of the website toindex.html page. Here, we use the routing shortcut function Route::get() provided by the ThinkPHP6 framework to return the index.html page through an anonymous function.

Create API interface

The SPA application needs to request data from the background, so we need to create a RESTful API interface in the background. In ThinkPHP6, you can automatically create an API interface that complies with the RESTful specification through the Route::resource() method. Add the following routing configuration in the router.php file:

use appcontrollerBlog;

Route::resource('blog', Blog::class);

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The function of this code is to create an API interface named blog, and the corresponding controller is appcontrollerBlog. The Blog controller here needs to be created by ourselves. We can quickly generate a Blog controller through the command line:

php think make:controller Blog

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This command will create a controller named Blog.php in the app/controller directory document. Now, we can define various request methods in the Blog controller to handle API requests sent by the SPA application. For example, add a method named index:

namespace appcontroller;

use thinkacadeDb;

class Blog
{
    public function index()
    {
        $result = Db::table('blog')->select();

        return json($result);
    }
}

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The function of this code is to obtain Blog data from the database and return the results in JSON format. Here, we use the Db::table() method provided by the ThinkPHP6 framework to operate the database.

Write JavaScript code

Finally, we need to write JavaScript code in the index.html page to complete the data rendering and Interaction. In the publicstaticjs directory, create a file named app.js and add the following code:

const app = new Vue({
    el: '#app',
    data: {
        blogs: []
    },
    created: function () {
        axios.get('http://localhost/blog')
            .then(response => {
                this.blogs = response.data;
            })
            .catch(function (error) {
                console.log(error);
            });
    }
});

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The function of this code is to use Vue.js and Axios.js, obtains Blog data from the background API interface and renders the data on the page. Here, we use the data attribute provided by Vue.js to store Blog data. At the same time, we can initialize the data through the created life cycle function and obtain it through the GET method of Axios.js Blog data.

Run a single-page application

Now, we have completed the basic configuration and code writing of the SPA application. Finally, we only need to start the application as follows:

php think run

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Enter http://localhost in the browser, and you can see the effect of the SPA application.

Summary

This article introduces how to use the ThinkPHP6 framework to create a basic SPA application. By introducing JavaScript libraries such as Vue.js and Axios.js into the index.html page, and creating API interfaces and JavaScript code, we can achieve single-page and dynamic interaction in web applications. The ThinkPHP6 framework provides rich routing and database operation methods, allowing us to quickly develop high-quality Web applications.

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