计算当日报表数据

src/main/java/com/rj/service/impl/LbDailyUserTradeReportServiceImpl.java

@@ -0,0 +1,17 @@
+package com.rj.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.rj.entity.LbDailyUserTradeReport;
+import com.rj.mapper.LbDailyUserTradeReportMapper;
+import com.rj.service.ILbDailyUserTradeReportService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ * 当天用户交易报表 服务实现类
+ * </p>
+ */
+@Service
+public class LbDailyUserTradeReportServiceImpl extends ServiceImpl<LbDailyUserTradeReportMapper, LbDailyUserTradeReport>
+        implements ILbDailyUserTradeReportService {
+}

src/main/java/com/rj/service/impl/LbDailyUserTradeServiceImpl.java

@@ -35,6 +35,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * <p>
@@ -75,6 +77,15 @@ public class LbDailyUserTradeServiceImpl extends ServiceImpl<LbDailyUserTradeMap
                 result.put("message", "defaultReportDate 格式错误，请使用 yyyy-MM-dd");
                 return result;
             }
+        } else {
+            // 未传导入日期时，尝试从文件名中提取 yyyy-MM-dd 作为导入日期
+            fallbackReportDate = extractDateFromFilename(originalFilename);
+            if (fallbackReportDate != null) {
+                log.info("未提供 defaultReportDate，已从文件名解析报表日期，fileName={}, reportDate={}",
+                        originalFilename, fallbackReportDate);
+            } else {
+                log.info("未提供 defaultReportDate，且文件名未包含日期，将使用当前日期作为报表日期，fileName={}", originalFilename);
+            }
         }
 
         List<LbDailyUserTrade> importList = new ArrayList<>();
@@ -488,4 +499,32 @@ public class LbDailyUserTradeServiceImpl extends ServiceImpl<LbDailyUserTradeMap
         return sb.toString();
     }
 
+    /**
+     * 从文件名中提取 yyyy-MM-dd 格式的日期，例如：
+     * 用户下单统计表_2026-04-23.xlsx -> 2026-04-23
+     */
+    private LocalDate extractDateFromFilename(String fileName) {
+        if (fileName == null) {
+            return null;
+        }
+        // 只看文件名本身，去掉路径
+        String simpleName = fileName;
+        int slashIdx = Math.max(simpleName.lastIndexOf('/'), simpleName.lastIndexOf('\\'));
+        if (slashIdx >= 0 && slashIdx + 1 < simpleName.length()) {
+            simpleName = simpleName.substring(slashIdx + 1);
+        }
+        // 匹配第一个 yyyy-MM-dd
+        Pattern pattern = Pattern.compile("(\\d{4}-\\d{2}-\\d{2})");
+        Matcher matcher = pattern.matcher(simpleName);
+        if (matcher.find()) {
+            String dateStr = matcher.group(1);
+            try {
+                return LocalDate.parse(dateStr, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
+            } catch (Exception ignore) {
+                // 忽略解析异常，返回 null 走默认逻辑
+            }
+        }
+        return null;
+    }
+
 }