blog_tp6/app/api/controller/Index.php

<?php
declare (strict_types = 1);

namespace app\api\controller;

use app\BaseController;
use think\App;
use think\exception\HttpException;

use app\model\Category;
use app\model\Article;
use app\utils\ParsedownUtils;

class Index extends BaseController
{
    /**
     * 构造方法
     * @access public
     * @param App $app 应用对象
     */
    public function __construct(App $app)
    {
        $this->app     = $app;
        $this->request = $this->app->request;
    }

    public function index()
    {
        return '您好！这是一个[api]示例应用';
    }

    public function menu()
    {
        return json(Category::where('is_nav', 1)->order(['sort desc'])->select());
    }

    public function list()
    {
        $params = $this->app->request->param();

        $cid = isset($params['cid']) ? (int)$params['cid'] : 0;

        $list = Article::queryPage($params);

        $category = Category::find($cid);

        if ($category) {
            $baseUrl = $category->url;
        } else {
            $baseUrl = '/index/all';
        }

        return json([
            'baseUrl'  => $baseUrl,
            'list' => $list->all(),
            'total' => $list->total(),
            'limit' => $list->listRows(),
            'page' => $list->currentPage(),
            'lastPage' => $list->lastPage(),
            'cid' => $cid,
        ]);
    }

    /**
     * 文章详情
     */
    public function read($id = null)
    {
        $data = Article::getOne($id);

        if (!$data) {
            return json(['msg'=>'页面不存在'], 404);
        }

        $data->hits += 1;

        $data->save();

        $prev_next = Article::getNextPrev($id, $data->cid);

        if ($data->content_type == 1) {
            $parsedownExtension = new ParsedownUtils();
            $parsedownExtension->setTocEnabled(true);
            $res = $parsedownExtension->text($data->content);
            $data->toc = $res['toc'];
            $data->content = $res['content'];
        }

        return json([
            'cid' => $data->cid,
            'data' => $data,
            'prev_next' => $prev_next,
            'seo' => [
                'title' => $data->title,
                'key' => $data->keywords,
                'des' => $data->summary,
            ]
        ]);
    }
}