更新：产品中心数据绑定

app/controller/Article.php

@@ -5,6 +5,26 @@ use app\model\{Article as MArticle, Category};
 
 class Article extends Base
 {
+    //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');
+        }
+        $description = $category['description'] ? $category['description'] : $this->system['seo_description'];
+        $this->setSeo($category['title'], $this->system['seo_keywords'], $description);
+
+        $this->data['category'] = $category;
+        $this->data['categoryId'] = $categoryId;
+        $this->templateAssign($category);
+        return $this->view($category['template_list'] ?? '');
+    }
+
     //详情
     public function detail($id=0)
     {
@@ -17,51 +37,62 @@ class Article extends Base
         }
         MArticle::updateById($id, ['views' => $article['views'] + 1]);
         $category = Category::getById($article['category_id']);
-        $prev = MArticle::getPrevArticleByIdAndCategoryId($id, $article['category_id']);
+        $TopCId = Category::firstGradeById($category['id']);
-        $next = MArticle::getNextArticleByIdAndCategoryId($id, $article['category_id']);
+        if($TopCId == $category['id']) {
+            $topCategory = $category;
+        } else {
+            $topCategory = Category::getById($TopCId);
+        }
 
         $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['topCategory'] = $topCategory;
-        $this->data['next'] = $next;
+        $this->data['prev'] = MArticle::getPrevArticleByIdAndCategoryId($id, $article['category_id'], true, $article['sort'], true);
+        $this->data['next'] = MArticle::getNextArticleByIdAndCategoryId($id, $article['category_id'], true, $article['sort'], true);
         return $this->view($category['template_detail'] ?? '');
     }
-    //列表页
+
-    public function index()
+    // 列表数据绑定
+    private function templateAssign($category)
     {
-        $categoryId = input('param.category_id/d', 0);
+        $template = strtolower($category['template_list'] ?? '');
-        if($categoryId <= 0){
+        $TopCId = Category::firstGradeById($category['id']);
-            return $this->error('错误页面');
+        if($TopCId == $category['id']) {
-        }
+            $topCategory = $category;
-        $category = Category::getById($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);
+            $topCategory = Category::getById($TopCId);
         }
-        $this->data['items'] = $defaultList;
+        $this->data['topCategory'] = $topCategory;
-        $this->data['childList'] = $childList;
+        $this->data['categoryChildren'] = Category::getChildrenByParentId($topCategory['id']);
-        $this->data['category'] = $category;
+        switch($template) {
-        $this->data['categoryId'] = $categoryId;
+            case 'news' :
-        $this->data['childCategory'] = $childCategory;
+                $this->assignNews($topCategory, $category);
-        return $this->view($category['template_list'] ?? '');
+                break;
+            default :
+                $this->data['items'] = MArticle::getListPageByCategory($category['id'], $category['number'] ? $category['number'] : 20);
         }
     }
+
+    // 详情数据绑定
+    private function templateDetailAssign($article, $category)
+    {
+
+    }
+
+
+    // 新闻
+    private function assignNews($topCategory, $category)
+    {
+
+
+    }
+
+
+
+
+}

app/model/Article.php

@@ -29,23 +29,67 @@ class Article extends Base
         ->select()
         ->toArray();
     }
-    //根据文章ID和栏目ID获取下一篇文章
+
-    public static function getNextArticleByIdAndCategoryId($id, $categoryId)
+    /**
+     * 根据文章ID和栏目ID获取下一篇文章
+     * @param int $id 当前文章ID
+     * @param int $categoryId 当前文章栏目ID
+     * @param bool $orderSort 是否以“sort”字段排序
+     * @param int $currentSort 当前文章的排序号
+     * @param bool $sortDesc 是否以sort字段倒叙排列
+     * @return array
+     */
+    public static function getNextArticleByIdAndCategoryId($id, $categoryId, $orderSort = false, $currentSort = 0, $sortDesc = false)
     {
-        return self::where('id','<',$id)
+        $whereMap  = [];
+        if($orderSort && $currentSort > 0) {
+            if($sortDesc) {
+                $whereMap[] = ['sort', '<', $currentSort];
+                $order = ['sort'=> 'desc'];
+            } else {
+                $whereMap[] = ['sort', '>', $currentSort];
+                $order = ['sort'=> 'asc'];
+            }
+        } else {
+            $whereMap[] = ['id', '>', $id];
+            $order = ['id'=> 'asc'];
+        }
+        return self::where($whereMap)
         ->where('category_id', $categoryId)
         ->where('status', 1)
-        ->order('sort desc')
+        ->order($order)
         ->findOrEmpty()
         ->toArray();
     }
-    //根据文章ID和栏目ID获取上一篇文章
+
-    public static function getPrevArticleByIdAndCategoryId($id, $categoryId)
+    /**
+     * 根据文章ID和栏目ID获取上一篇文章
+     * @param int $id 当前文章ID
+     * @param int $categoryId 当前文章栏目ID
+     * @param bool $orderSort 是否以“sort”字段排序
+     * @param int $currentSort 当前文章的排序号
+     * @param bool $sortDesc 是否以sort字段倒叙排列
+     * @return array
+     */
+    public static function getPrevArticleByIdAndCategoryId($id, $categoryId, $orderSort = false, $currentSort = 0, $sortDesc = false)
     {
-        return self::where('id','>',$id)
+        $whereMap  = [];
+        if($orderSort && $currentSort > 0) {
+            if($sortDesc) {
+                $whereMap[] = ['sort', '>', $currentSort];
+                $order = ['sort'=> 'asc'];
+            } else {
+                $whereMap[] = ['sort', '<', $currentSort];
+                $order = ['sort'=> 'desc'];
+            }
+        } else {
+            $whereMap[] = ['id', '<', $id];
+            $order = ['id'=> 'desc'];
+        }
+        return self::where($whereMap)
         ->where('category_id',$categoryId)
         ->where('status', 1)
-        ->order('sort asc')
+        ->order($order)
         ->findOrEmpty()
         ->toArray();
     }

view/article/product.html

@@ -1,2 +1,38 @@
 {layout name="layout" /}
-新闻详情
+
+<!-- banner -->
+<div class="page-banner w-100" style="background-image: url({:getImgSrc($topCategory, '__IMG__/page_ban3.jpg')});">
+    <div class="info">
+        <div class="w-1200">
+            <strong>{$topCategory.title ?? ''}</strong>
+            <p>{:nl2br($topCategory.description ?? '')}</p>
+        </div>
+    </div>
+</div>
+
+<!--  -->
+<div class="all-center-box">
+    <div class="news-info w-100">
+        <div class="w-1200">
+            <div class="top-box w-100">
+                <span>{$article.title}</span>
+                <p>{$article.create_time|date="Y/m/d"}</p>
+            </div>
+            <div class="cen-box w-100">
+                {:nl2br($article.content)}
+            </div>
+            <div class="lower-box w-100">
+                <p>
+                    {if isset($prev) && count($prev) >0}
+                    <a href="{:url('article/detail', ['id' => $prev.id])}">上一篇</a>
+                    {/if}
+                    {if (isset($prev) && count($prev) >0) && (isset($next) && count($next) >0)}&emsp;/&emsp;{/if}
+                    {if isset($next) && count($next) >0}
+                    <a href="{:url('article/detail', ['id' => $next.id])}">下一篇</a>
+                    {/if}
+                </p>
+                <a href="javascript:history.back(-1);" class="btns">返回</a>
+            </div>
+        </div>
+    </div>
+</div>

view/article/products.html

@@ -1,3 +1,30 @@
 {layout name="layout" /}
 
-新闻列表
+<!-- banner -->
+<div class="page-banner w-100" style="background-image: url({:getImgSrc($category, '__IMG__/page_ban3.jpg')});">
+    <div class="info">
+        <div class="w-1200">
+            <strong>{$category.title ?? ''}</strong>
+            <p>{:nl2br($category.description ?? '')}</p>
+        </div>
+    </div>
+</div>
+<!--  -->
+<div class="all-center-box">
+    <div class="product-box w-100">
+        <div class="w-1200">
+            {if isset($items)}
+            <div class="center-block w-100">
+                <ul>
+                    {foreach $items as $item}
+                    <li><a href="{:url('article/detail', ['id' => $item.id])}"><span><img src="{$item.src ?? ''}" ></span><p>{$item.title}</p></a></li>
+                    {/foreach}
+                </ul>
+            </div>
+            <div class="pager w-100">
+                {$items->render()|raw}
+            </div>
+            {/if}
+        </div>
+    </div>
+</div>