Home CMS Tutorial WordPress How to develop a WordPress plugin that automatically generates task lists

How to develop a WordPress plugin that automatically generates task lists

Sep 06, 2023 pm 12:43 PM
Automatic generated wordpress plugin task list

How to develop a WordPress plugin that automatically generates task lists

How to develop a WordPress plug-in that automatically generates task lists

WordPress is a very popular content management system with a wide range of functions and a flexible plug-in system that can Meet various needs. Sometimes, we may need a task list to manage our workflow. At this time, a WordPress plug-in that automatically generates task lists is very useful. This article describes how to develop such a plug-in and provides code examples.

First, we need to create a new plugin. You can create a new folder in the WordPress plugin directory and name it task-list. Then, create a task-list.php file in the folder and enter the following code in the file:

<?php
/*
Plugin Name: Task List
Version: 1.0
Description: 自动生成任务列表的插件
Author: Your Name
Author URI: https://your-website.com
License: GPL2
*/

// 注册一个新的短代码
function task_list_shortcode($atts) {
    // 获取默认参数
    $atts = shortcode_atts(array(
        'category' => '',
    ), $atts);
    
    // 获取任务列表
    $tasks = get_tasks($atts['category']);

    // 创建任务列表的HTML
    $output = '<ul>';
    foreach ($tasks as $task) {
        $output .= '<li>' . $task['name'] . '</li>';
    }
    $output .= '</ul>';

    return $output;
}
add_shortcode('task_list', 'task_list_shortcode');

// 获取任务列表的函数
function get_tasks($category) {
    // 通过分类获取任务列表
    $args = array(
        'post_type' => 'task',
        'tax_query' => array(
            array(
                'taxonomy' => 'task_category',
                'field' => 'slug',
                'terms' => $category,
            ),
        ),
    );
    $query = new WP_Query($args);

    // 存储任务列表
    $tasks = array();
    if ($query->have_posts()) {
        while ($query->have_posts()) {
            $query->the_post();
            $tasks[] = array(
                'name' => get_the_title(),
                'category' => $category,
            );
        }
    }

    wp_reset_postdata();

    return $tasks;
}
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The above code creates a file named Task List plug-in. The plugin registers a new shortcode [task_list]. When the user uses the shortcode in an article or page, the task_list_shortcode function will be called to generate the HTML of the task list. The task_list_shortcode function gets the task list by calling the get_tasks function, and uses foreach to loop through each task and add it to an HTML list. Finally, the HTML of the task list is returned.

To achieve automatic generation of task lists, we need to create a custom task(task) article type and create a taxonomy task_category(task Category), you can create a new folder named includes in the plugin folder, create the tasks.php file in the folder, and enter the following code:

<?php
// 创建自定义的任务类型
function create_task_type() {
    register_post_type('task', array(
        'labels' => array(
            'name' => '任务',
            'singular_name' => '任务',
        ),
        'public' => true,
        'has_archive' => true,
        'supports' => array('title'),
        'rewrite' => array('slug' => 'tasks'),
    ));
}
add_action('init', 'create_task_type');

// 创建自定义的任务分类
function create_task_category() {
    register_taxonomy('task_category', 'task', array(
        'labels' => array(
            'name' => '任务分类',
            'singular_name' => '任务分类',
        ),
        'hierarchical' => true,
        'rewrite' => array('slug' => 'task-category'),
    ));
}
add_action('init', 'create_task_category');
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The above code creates a custom task (task) article type and creates a taxonomy task_category (task classification) for it. We use the register_post_type function to create the task type and define some basic attributes, such as name, supported functions, etc. We then created a task_category (task classification) using the register_taxonomy function, which has a hierarchical structure and defines its name and rewrite rules.

After completing the above code, we need to load the includes/tasks.php file in the plug-in’s main file task-list.php. Find the following code in the task-list.php file:

/*
Plugin Name: Task List
...
*/

// 注册一个新的短代码
...
add_shortcode('task_list', 'task_list_shortcode');

// 加载任务文件
require_once(plugin_dir_path(__FILE__) . 'includes/tasks.php');
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In the above code, a require_once function is added for loading includes /tasks.php file.

After completing the above steps, we can enable the Task List plug-in in WordPress and use the [task_list] shortcode in the article or page to automatically generate The task list is up. If you need to display the task list according to task categories, you can use the category parameter, such as [task_list category="important"].

Through the steps in this article, we have successfully developed a WordPress plug-in that automatically generates task lists. This plug-in can easily help us manage our workflow and improve work efficiency. I hope this article is helpful to you in developing WordPress plugins. Happy development!

The above is the detailed content of How to develop a WordPress plugin that automatically generates task lists. For more information, please follow other related articles on the PHP Chinese website!

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