后台首页更 新，新增会员总数/作家总数/作品总数/交易总数统计，新增7日内会员新增/作家新增/作品新增/交易新增统计报表

novel-admin/src/main/java/com/java2nb/novel/service/BookService.java

@@ -0,0 +1,33 @@
+package com.java2nb.novel.service;
+
+import com.java2nb.novel.domain.BookDO;
+
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 小说表
+ * 
+ * @author xiongxy
+ * @email 1179705413@qq.com
+ * @date 2020-12-01 03:49:46
+ */
+public interface BookService {
+	
+	BookDO get(Long id);
+	
+	List<BookDO> list(Map<String, Object> map);
+	
+	int count(Map<String, Object> map);
+	
+	int save(BookDO book);
+	
+	int update(BookDO book);
+	
+	int remove(Long id);
+	
+	int batchRemove(Long[] ids);
+
+    Map<Object, Object> tableSta(Date minDate);
+}