1

sky-server/src/main/java/com/sky/controller/admin/ReportController.java

@@ -16,6 +16,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import javax.servlet.http.HttpServletResponse;
 import java.time.LocalDate;
 
 @RestController()
@@ -95,4 +96,15 @@ public class ReportController {
         log.info("销量排名top10：{}，{}", begin, end);
         return Result.success(reportService.getSalesTop10(begin, end));
     }
+
+
+    /**
+     * 导出运营数据报表
+     * @param response
+     */
+    @GetMapping("/export")
+    @ApiOperation("导出运营数据报表")
+    public void export(HttpServletResponse response){
+        reportService.exportBusinessData(response);
+    }
 }

sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java

@@ -56,4 +56,18 @@ public class ShoppingCartController {
         shoppingCartService.cleanShoppingCart();
         return Result.success();
     }
+
+
+    /**
+     * 删除购物车中一个商品
+     * @param shoppingCartDTO
+     * @return
+     */
+    @PostMapping("/sub")
+    @ApiOperation("删除购物车中一个商品")
+    public Result sub(@RequestBody ShoppingCartDTO shoppingCartDTO){
+        log.info("删除购物车中一个商品，商品：{}", shoppingCartDTO);
+        shoppingCartService.subShoppingCart(shoppingCartDTO);
+        return Result.success();
+    }
 }

sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java

@@ -49,4 +49,11 @@ public interface ShoppingCartMapper {
      * @param shoppingCartList
      */
     void insertBatch(List<ShoppingCart> shoppingCartList);
+
+
+    /**
+     * 根据id删除购物车数据
+     */
+    @Delete("delete from shopping_cart where id = #{id}")
+    void deleteById(Long id);
 }

sky-server/src/main/java/com/sky/service/ReportService.java

@@ -5,6 +5,7 @@ import com.sky.vo.SalesTop10ReportVO;
 import com.sky.vo.TurnoverReportVO;
 import com.sky.vo.UserReportVO;
 
+import javax.servlet.http.HttpServletResponse;
 import java.time.LocalDate;
 
 public interface ReportService {
@@ -44,4 +45,11 @@ public interface ReportService {
      * @return
      */
     SalesTop10ReportVO getSalesTop10(LocalDate begin, LocalDate end);
+
+
+    /**
+     * 导出运营数据报表
+     * @param response
+     */
+    void exportBusinessData(HttpServletResponse response);
 }

sky-server/src/main/java/com/sky/service/ShoppingCartService.java

@@ -9,6 +9,12 @@ import java.util.List;
 public interface ShoppingCartService {
 
 
+    /**
+     * 删除购物车中一个商品
+     * @param shoppingCartDTO
+     */
+    void subShoppingCart(ShoppingCartDTO shoppingCartDTO);
+
     /**
      * 添加购物车
      * @param shoppingCartDTO

sky-server/src/main/java/com/sky/service/impl/ReportServiceImpl.java

@@ -5,15 +5,20 @@ import com.sky.entity.Orders;
 import com.sky.mapper.OrderMapper;
 import com.sky.mapper.UserMapper;
 import com.sky.service.ReportService;
-import com.sky.vo.OrderReportVO;
-import com.sky.vo.SalesTop10ReportVO;
-import com.sky.vo.TurnoverReportVO;
-import com.sky.vo.UserReportVO;
+import com.sky.service.WorkspaceService;
+import com.sky.vo.*;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.InputStream;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
@@ -32,6 +37,8 @@ public class ReportServiceImpl implements ReportService {
     private OrderMapper orderMapper;
     @Autowired
     private UserMapper userMapper;
+    @Autowired
+    private WorkspaceService workspaceService;
 
 
     /**
@@ -224,4 +231,75 @@ public class ReportServiceImpl implements ReportService {
                 .build();
     }
 
+
+    /**
+     * 导出运营数据报表
+     * @param response
+     */
+    @Override
+    public void exportBusinessData(HttpServletResponse response) {
+        //1、查询数据库 获取营业数据  查询最近30天的数据
+        LocalDate dateBegin = LocalDate.now().minusDays(30);
+        LocalDate dateEnd = LocalDate.now().minusDays(1);
+
+        BusinessDataVO businessDataVO = workspaceService.getBusinessData(LocalDateTime.of(dateBegin, LocalTime.MIN), LocalDateTime.of(dateEnd, LocalTime.MAX));
+
+        //2、通过POI将数据写入Excel文件中
+        InputStream in = this.getClass().getClassLoader().getResourceAsStream("template/运营数据报表模板.xlsx");
+
+        try {
+            //基于模板文件创建一个新的excel文件
+            XSSFWorkbook excel = new XSSFWorkbook(in);
+
+            //获取表格文件的标签页
+            XSSFSheet sheet = excel.getSheet("Sheet1");
+
+            //填充数据--时间
+            sheet.getRow(1).getCell(1).setCellValue("时间" + dateBegin + "至" + dateEnd);
+
+            //获得第四行
+            XSSFRow row = sheet.getRow(3);
+            row.getCell(2).setCellValue(businessDataVO.getTurnover());
+            row.getCell(4).setCellValue(businessDataVO.getOrderCompletionRate());
+            row.getCell(6).setCellValue(businessDataVO.getNewUsers());
+
+            //获得第五行
+            row = sheet.getRow(4);
+            row.getCell(2).setCellValue(businessDataVO.getValidOrderCount());
+            row.getCell(4).setCellValue(businessDataVO.getUnitPrice());
+
+            //填充明细数据
+            for(int i = 0; i < 30; i ++){
+                LocalDate date = dateBegin.plusDays(i);
+                //查询某一天的营业数据
+                BusinessDataVO businessData = workspaceService.getBusinessData(LocalDateTime.of(date, LocalTime.MIN), LocalDateTime.of(date, LocalTime.MAX));
+
+                //获得某一行
+                row = sheet.getRow(7 + i);
+                row.getCell(1).setCellValue(date.toString());
+                row.getCell(2).setCellValue(businessData.getTurnover());
+                row.getCell(3).setCellValue(businessData.getValidOrderCount());
+                row.getCell(4).setCellValue(businessData.getOrderCompletionRate());
+                row.getCell(5).setCellValue(businessData.getUnitPrice());
+                row.getCell(6).setCellValue(businessData.getNewUsers());
+
+            }
+
+
+            //3、通过输出流将Excel文件下载到客户端浏览器
+            ServletOutputStream out = response.getOutputStream();
+            excel.write(out);
+
+            //关闭资源
+            out.close();
+            excel.close();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+
+
+    }
+
 }

sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImpl.java

@@ -30,6 +30,8 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
     private SetmealMapper setmealMapper;
 
 
+
+
     /**
      * 添加购物车
      * @param shoppingCartDTO
@@ -107,4 +109,34 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
         Long userId = BaseContext.getCurrentId();
         shoppingCartMapper.deleteByUserId(userId);
     }
+
+
+    /**
+     * 删除购物车中的商品
+     * @param shoppingCartDTO
+     */
+    @Override
+    public void subShoppingCart(ShoppingCartDTO shoppingCartDTO) {
+        ShoppingCart shoppingCart = new ShoppingCart();
+        BeanUtils.copyProperties(shoppingCartDTO,shoppingCart);
+        
+        //设置查询条件 查询当前用户的购物车数据
+        shoppingCart.setUserId(BaseContext.getCurrentId());
+        List<ShoppingCart> list = shoppingCartMapper.list(shoppingCart);
+
+        if (list != null && list.size() > 0) {
+            ShoppingCart cart = list.get(0);
+
+            Integer number = cart.getNumber();
+            if(number == 1){
+                //当前商品在购物车中的份数为1，直接删除当前记录
+                shoppingCartMapper.deleteById(shoppingCart.getId());
+            }else{
+                //当前商品在购物车中的份数不为1，修改份数即可
+                cart.setNumber(number-1);
+                shoppingCartMapper.updateNumberById(cart);
+            }
+        }
+
+    }
 }