首页微服务集成Sentinel，实现小说服务调用的熔断降级

novel-book/book-api/src/main/java/com/java2nb/novel/book/api/fallback/BookApiFallback.java

@@ -0,0 +1,57 @@
+package com.java2nb.novel.book.api.fallback;
+
+import com.java2nb.novel.book.api.BookApi;
+import com.java2nb.novel.book.entity.Book;
+import com.java2nb.novel.book.entity.BookComment;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 小说微服务API接口降级处理类（服务提供端，默认降级处理）
+ * @author xiongxiaoyang
+ * @version 1.0
+ * @since 2020/6/7
+ */
+public class BookApiFallback implements BookApi {
+    @Override
+    public List<Book> queryBookByMinUpdateTime(Date minDate, int limit) {
+        return null;
+    }
+
+    @Override
+    public List<Book> queryBookByIds(List<Long> ids) {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public List<Book> listRank(Byte type, Integer limit) {
+        return null;
+    }
+
+    @Override
+    public Book queryBookById(Long id) {
+        return null;
+    }
+
+    @Override
+    public void addBookComment(Long userId, BookComment comment) {
+
+    }
+
+    @Override
+    public List<BookComment> listUserCommentByPage(Long userId, int page, int pageSize) {
+        return null;
+    }
+
+    @Override
+    public List<Book> queryNetworkPicBooks(String localPicPrefix, int limit) {
+        return null;
+    }
+
+    @Override
+    public void updateBookPic(String picUrl, Long bookId) {
+
+    }
+}