chaoyu/app/controller/Article.php

<?php
namespace app\controller;

use app\model\{Article as MArticle, Category};

class Article extends Base
{
    //详情
    public function detail($id=0)
    {
        if($id <= 0){
            return $this->error('错误页面');
        }
        $article = MArticle::getById($id);
        if(empty($article)){
            return $this->error('无此文章');
        }
        MArticle::updateById($id, ['views' => $article['views'] + 1]);
        $category = Category::getById($article['category_id']);
        $prev = MArticle::getPrevArticleByIdAndCategoryId($id, $article['category_id']);
        $next = MArticle::getNextArticleByIdAndCategoryId($id, $article['category_id']);

        $keywords = $article['seo_keywords'] ? $article['seo_keywords'] : $this->system['seo_keywords'];
        $description = $article['seo_description'] ? $article['seo_description'] : $this->system['seo_description'];
        $this->setSeo($article['title'], $keywords, $description);
        $this->data['article'] = $article;
        $this->data['category'] = $category;
        $this->data['categoryId'] = $category['id'];
        $this->data['prev'] = $prev;
        $this->data['next'] = $next;
        return $this->view($category['template_detail'] ?? '');
    }
    //列表页
    public function index()
    {
        $categoryId = input('param.category_id/d', 0);
        if($categoryId <= 0){
            return $this->error('错误页面');
        }
        $category = Category::getById($categoryId);
        if(empty($category)){
            return $this->error('错误页面');
        }
        $childCategory = Category::getChildrenByParentId($categoryId);
        $description = $category['description'] ? $category['description'] : $this->system['seo_description'];
        $this->setSeo($category['title'], $this->system['seo_keywords'], $description);
        $childList = [];
        $defaultList = [];
        // 若存在下级子栏目则优先分组显示子栏目内容
        if(!empty($childCategory)) {
            foreach ($childCategory as $child) {
                $childList[] = [
                    'category' => $child,
                    'items' => MArticle::getListPageByCategory($child['id'], $child['number'] ? $child['number'] : 20),
                ];
            }
        } else {
            $defaultList = MArticle::getListPageByCategory($categoryId, $category['number'] ? $category['number'] : 20);
        }
        $this->data['items'] = $defaultList;
        $this->data['childList'] = $childList;
        $this->data['category'] = $category;
        $this->data['categoryId'] = $categoryId;
        $this->data['childCategory'] = $childCategory;
        return $this->view($category['template_list'] ?? '');
    }
}