feat(订单): 添加总订单金额统计功能

在订单相关服务中新增了计算总订单金额的功能，并在统计数据DTO中添加了总订单金额字段，以便在前端展示。此功能用于统计通过微信支付且支付状态为已支付、已完成或已关闭的订单总金额。

agileboot-admin/src/main/java/com/agileboot/admin/controller/shop/ShopController.java

@@ -53,6 +53,7 @@ public class ShopController extends BaseController {
         statsDTO.setShopCount(shopApplicationService.countAllRecord());
         statsDTO.setGoodsCount(goodsApplicationService.countAllRecord());
         statsDTO.setOrderCount(orderApplicationService.countAllRecord());
+        statsDTO.setOrderAmountSum(orderApplicationService.sumTotalAmount());
         statsDTO.setCabinetCount(smartCabinetApplicationService.countAllRecord());
         statsDTO.setCellCount(cabinetCellApplicationService.countAllRecord());
         statsDTO.setLinkedCellCount(cabinetCellApplicationService.countLinkedRecord());

agileboot-domain/src/main/java/com/agileboot/domain/shop/order/OrderApplicationService.java

@@ -349,4 +349,8 @@ public class OrderApplicationService {
     public List<TodayLatestOrderGoodsDTO> selectTodayLatestOrderGoods(){
         return orderGoodsService.selectTodayLatestOrderGoods();
     }
+
+    public BigDecimal sumTotalAmount() {
+        return orderService.sumTotalAmount();
+    }
 }

agileboot-domain/src/main/java/com/agileboot/domain/shop/order/db/ShopOrderMapper.java

@@ -8,6 +8,8 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
 
+import java.math.BigDecimal;
+
 /**
  * <p>
  * 商品订单表 Mapper 接口
@@ -32,4 +34,8 @@ public interface ShopOrderMapper extends BaseMapper<ShopOrderEntity> {
 
     @Select("SELECT COUNT(1) FROM shop_order WHERE deleted = 0")
     Long countAllRecord();
+    
+    @Select("SELECT SUM(total_amount) FROM shop_order " +
+    "WHERE deleted = 0 and pay_status in (2,3,4) and payment_method = 'wechat'")
+    BigDecimal sumTotalAmount();
 }

agileboot-domain/src/main/java/com/agileboot/domain/shop/order/db/ShopOrderService.java

@@ -6,6 +6,8 @@ import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
 
+import java.math.BigDecimal;
+
 /**
  * <p>
  * 商品订单表 服务类
@@ -16,5 +18,8 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
 public interface ShopOrderService extends IService<ShopOrderEntity> {
     Page<OrderWithGoodsDTO> getOrderList(SearchShopOrderQuery<OrderWithGoodsDTO> query);
+
     Long countAllRecord();
+
+    BigDecimal sumTotalAmount();
 }

agileboot-domain/src/main/java/com/agileboot/domain/shop/order/db/ShopOrderServiceImpl.java

@@ -9,6 +9,8 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.stereotype.Service;
 
+import java.math.BigDecimal;
+
 /**
  * <p>
  * 商品订单表 服务实现类
@@ -28,4 +30,9 @@ public class ShopOrderServiceImpl extends ServiceImpl<ShopOrderMapper, ShopOrder
     public Long countAllRecord() {
         return baseMapper.countAllRecord();
     }
+
+    @Override
+    public BigDecimal sumTotalAmount() {
+        return baseMapper.sumTotalAmount();
+    }
 }

agileboot-domain/src/main/java/com/agileboot/domain/shop/shop/dto/StatsDTO.java

@@ -6,6 +6,7 @@ import com.agileboot.domain.shop.order.db.TodayLatestOrderGoodsDTO;
 import com.agileboot.domain.shop.order.dto.TopGoodsDTO;
 import lombok.Data;
 
+import java.math.BigDecimal;
 import java.util.List;
 
 @ExcelSheet(name = "统计数据")
@@ -21,6 +22,9 @@ public class StatsDTO {
     @ExcelColumn(name = "订单数量")
     private Long orderCount;
 
+    @ExcelColumn(name = "总订单金额")
+    private BigDecimal orderAmountSum;
+
     @ExcelColumn(name = "总柜子数量")
     private Long cabinetCount;
 

sql/20250520_goods.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `shop_goods` 
+ADD COLUMN `usage_instruction` VARCHAR(512) NULL COMMENT '商品使用说明'
+AFTER `goods_detail`;