feat：统计接口增加查询日期容错

src/main/java/com/gxwebsoft/shop/controller/DashboardController.java

@@ -1,6 +1,7 @@
 package com.gxwebsoft.shop.controller;
 
 
+import cn.hutool.core.date.DateUtil;
 import com.gxwebsoft.common.core.annotation.OperationLog;
 import com.gxwebsoft.common.core.web.ApiResult;
 
@@ -35,6 +36,15 @@ public class DashboardController extends BaseController  {
     @ApiOperation("可查看一天日新增的订单量、一天日销售额以及总订单量、总销售额数据\n")
     @GetMapping("/statistics")
     public ApiResult<Dashboard> day(DashBoardParam param) {
+
+        //默认是今天
+        if (param.getCreateTimeStart()==null){
+            param.setCreateTimeStart(DateUtil.today());
+        }
+        if (param.getCreateTimeEnd() == null){
+            param.setCreateTimeEnd(DateUtil.now());
+        }
+
         Dashboard dashboard = new Dashboard();
         dashboard.setOrderStatistics(dashboardService.orderStatistics(param));
         dashboard.setSalesAmountStatistics(dashboardService.salesAmountStatistics(param));