Visionary: Build a unique mind mapping application using PHP and Vue

Vision: Use PHP and Vue to create a unique mind mapping application

Introduction:
In today's era of information explosion, we are faced with massive amounts of information and Complex mind maps. In order to better organize thinking and improve work efficiency, mind mapping applications came into being. This article will introduce how to use PHP and Vue framework to create a unique mind mapping application to help us better clarify our ideas.

1. Technology selection
Before we start, we need to determine the appropriate technology selection. As a mature back-end language, PHP has rich development resources and powerful functions, and is very suitable for building back-end services. The Vue framework is a simple, easy-to-use and powerful front-end framework that can help us build user interfaces more conveniently. Therefore, we choose PHP as the back-end language and Vue as the front-end framework.

2. Back-end development

1. Database design
   We must first design a suitable database to store the nodes and relationships of the brain map. Assume that the nodes in our mind map application have the following attributes: node ID, node content, and parent node ID. We can use MySQL database to store these nodes.

Create a data table named nodes, including the fields id (node ​​ID), content (node ​​content), parent_id (parent node ID). The node ID and parent node ID are both integer types, and the node content is of string type.

2. Backend interface
   Use PHP to develop the backend interface to provide the ability to interact with the frontend. We can use RESTful style API interface to achieve this. The following is an example of an interface for creating a node:

connect_errno) {
    echo json_encode(['error' => '数据库连接失败']);
    exit;
}

// 处理请求
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // 获取请求参数
    $content = $_POST['content'];
    $parentId = $_POST['parent_id'];

    // 执行SQL语句
    $result = $mysqli->query("INSERT INTO nodes (content, parent_id) VALUES ('$content', '$parentId')");

    // 处理执行结果
    if ($result) {
        echo json_encode(['success' => true]);
    } else {
        echo json_encode(['error' => '创建节点失败']);
    }
} else {
    echo json_encode(['error' => '无效的请求']);
}

// 关闭数据库连接
$mysqli->close();

?>

3. Front-end development
Using the Vue framework on the front end, we can use its powerful componentization capabilities to build user interfaces. The following is a simple example of a brain map component:

4. Deployment and use

1. Deploy the back-end interface
   Place the back-end interface file (such as api. php) is placed in the appropriate server location, ensure that the server has PHP and MySQL installed and configured accordingly.
2. Deploy front-end application
   Embed the above front-end code into the Vue project and configure it accordingly. Then, use Vue scaffolding to build the project and deploy the built static files to the server.
3. Using the Mind Map Application
   Access the deployed Mind Map application and you will see a simple Mind Map interface. You can click the button on the node to add child nodes, and you can also perform other operations through the backend interface.

Conclusion:
By using PHP and Vue framework, we can flexibly build a unique mind mapping application. Whether it is personal knowledge management or team collaboration, you can use this application to better organize your thinking. I hope this article helps you achieve your vision!

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