阅读器内容多个换行匹配为1行

app/Http/Controllers/Wap/Book/Transformers/ChapterTransformer.php

@@ -17,7 +17,7 @@ class ChapterTransformer
             'prev_cid'   =>  $chapter->prev_cid,
             'next_cid'   =>  $chapter->next_cid,
             'recent_update_at'   =>  $chapter->recent_update_at,
-            'chapter_content'   =>  $chapter->content,
+            'chapter_content'   =>  preg_replace("/\n+/","\n",$chapter->content),
             'sign_status'   =>  $chapter->sign_status,
             'sign_reard'   =>  isset($chapter->sign_reard)?$chapter->sign_reard:0,
             'sign_days'   =>  isset($chapter->sign_days)?$chapter->sign_days:0,