增加通用开头功能

app/model/Post.php

@@ -20,6 +20,7 @@ use think\Paginator;
  */
 class Post extends Base
 {
+    use SoftDelete;
     //
 
     public static $autoClearCache = [
@@ -37,8 +38,6 @@ class Post extends Base
         1 => '发布'
     ];
 
-    use SoftDelete;
-
     protected $defaultSoftDelete = 0;
 
     public function categorys()
@@ -101,8 +100,8 @@ class Post extends Base
 
     public function getDescAttr($value)
     {
-        if(empty($value)){
-            
+        if(empty($value)) {
+
         }
 
         return $value;
@@ -208,4 +207,19 @@ class Post extends Base
 
         return $share_text;
     }
-}
+
+    public function getStartContentAttr()
+    {
+        $start_content = '';
+
+        $list_post_category_id = $this->getAttr('categorys')->column('category_id');
+
+        $list_start_post = Post::where('category_id', 'in', $list_post_category_id)->cache(600)->where('status', 1)->select();
+
+        foreach ($list_start_post as $k_start_post => $v_start_post) {
+            $start_content .= $v_start_post->content_html;
+        }
+
+        return $start_content;
+    }
+}