增加文章点赞和分享功能

app/index/controller/ArticlesController.php

@@ -142,6 +142,16 @@ class ArticlesController extends BaseController
 
         $id = Request::param('id/d', 0);
 
+        // 检查文章是否存在
+        $article = Articles::where('id', $id)
+            ->where('delete_time', null)
+            ->where('status', 2)
+            ->find();
+
+        if (!$article) {
+            return json(['code' => 0, 'msg' => '文章不存在或已被删除']);
+        }
+
         // 更新点赞数
         $result = Articles::where('id', $id)
             ->where('delete_time', null)
@@ -149,7 +159,15 @@ class ArticlesController extends BaseController
             ->update();
 
         if ($result) {
-            return json(['code' => 1, 'msg' => '点赞成功']);
+            // 返回更新后的点赞数
+            $newLikes = $article['likes'] + 1;
+            return json([
+                'code' => 1, 
+                'msg' => '点赞成功',
+                'data' => [
+                    'likes' => $newLikes
+                ]
+            ]);
         } else {
             return json(['code' => 0, 'msg' => '点赞失败']);
         }