调整代码结构

src/main/java/com/rj/service/ILbDailyUserTradeService.java

@@ -0,0 +1,17 @@
+package com.rj.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.rj.entity.LbDailyUserTrade;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.Map;
+
+/**
+ * <p>
+ * 当天用户交易表 服务类
+ * </p>
+ */
+public interface ILbDailyUserTradeService extends IService<LbDailyUserTrade> {
+
+    Map<String, Object> importFromExcel(MultipartFile file, String defaultReportDate);
+}