feat: 听书问题修改

- 百度文字转语音传参
- 过滤内容为空的书籍目录

src/main/java/com/peanut/common/utils/BaiduVoicesUtils.java

@@ -194,7 +194,7 @@ public class BaiduVoicesUtils {
     private static String cuid = "0322java";
 
     public static String run(String content) throws Exception {
-        TokenHolder holder = new TokenHolder(appKey, secretKey, TokenHolder.ASR_SCOPE);
+        TokenHolder holder = new TokenHolder(appKey, secretKey, TokenHolder.TTS_SCOPE);
         holder.resfresh();
         String token = holder.getToken();
         String url2 = url + "?tex=" + ConnUtil.urlEncode(content);

src/main/java/com/peanut/modules/bookAbroad/controller/HomeController.java

@@ -330,13 +330,14 @@ public class HomeController {
         return R.ok().put("languageList",languageList);
     }
 
-    //图书章节
+    //图书章节（仅返回在 book_chapter_content 中有实际正文的目录）
     @RequestMapping("/getBookChapter")
     public R getBookChapter(@RequestBody Map<String,Object> params) {
         String language = params.containsKey("language")?params.get("language").toString():"中文";
         List<BookChapterEntity> chapterList = bookChapterService.list(new LambdaQueryWrapper<BookChapterEntity>()
                 .eq(BookChapterEntity::getBookId,params.get("bookId"))
                 .eq(BookChapterEntity::getLanguage,language)
+                .exists("select 1 from book_chapter_content where book_chatper_id = book_chapter.id and content is not null and content != ''")
                 .orderByAsc(BookChapterEntity::getId));
         return R.ok().put("chapterList",chapterList);
     }