苍穹外卖-day12

课程内容

工作台
Apache POI
导出运营数据Excel报表

功能实现：工作台、数据导出

工作台效果图：

数据导出效果图：

在数据统计页面点击数据导出：生成Excel报表

1. 工作台

1.1 需求分析和设计

1.1.1 产品原型

工作台是系统运营的数据看板，并提供快捷操作入口，可以有效提高商家的工作效率。

工作台展示的数据：

今日数据
订单管理
菜品总览
套餐总览
订单信息

原型图：

名词解释：

营业额：已完成订单的总金额
有效订单：已完成订单的数量
订单完成率：有效订单数 / 总订单数 * 100%
平均客单价：营业额 / 有效订单数
新增用户：新增用户的数量

1.1.2 接口设计

通过上述原型图分析，共包含6个接口。

接口设计：

今日数据接口
订单管理接口
菜品总览接口
套餐总览接口
订单搜索（已完成）
各个状态的订单数量统计（已完成）

1). 今日数据的接口设计

2). 订单管理的接口设计

3). 菜品总览的接口设计

4). 套餐总览的接口设计

1.2 代码导入

直接导入课程资料中的工作台模块功能代码即可：

1.2.1 Controller层

添加WorkSpaceController.java

package com.sky.controller.admin;import com.sky.result.Result;
import com.sky.service.WorkspaceService;
import com.sky.vo.BusinessDataVO;
import com.sky.vo.DishOverViewVO;
import com.sky.vo.OrderOverViewVO;
import com.sky.vo.SetmealOverViewVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.time.LocalDateTime;
import java.time.LocalTime;/*** 工作台*/
@RestController
@RequestMapping("/admin/workspace")
@Slf4j
@Api(tags = "工作台相关接口")
public class WorkSpaceController {@Autowiredprivate WorkspaceService workspaceService;/*** 工作台今日数据查询* @return*/@GetMapping("/businessData")@ApiOperation("工作台今日数据查询")public Result<BusinessDataVO> businessData(){//获得当天的开始时间LocalDateTime begin = LocalDateTime.now().with(LocalTime.MIN);//获得当天的结束时间LocalDateTime end = LocalDateTime.now().with(LocalTime.MAX);BusinessDataVO businessDataVO = workspaceService.getBusinessData(begin, end);return Result.success(businessDataVO);}/*** 查询订单管理数据* @return*/@GetMapping("/overviewOrders")@ApiOperation("查询订单管理数据")public Result<OrderOverViewVO> orderOverView(){return Result.success(workspaceService.getOrderOverView());}/*** 查询菜品总览* @return*/@GetMapping("/overviewDishes")@ApiOperation("查询菜品总览")public Result<DishOverViewVO> dishOverView(){return Result.success(workspaceService.getDishOverView());}/*** 查询套餐总览* @return*/@GetMapping("/overviewSetmeals")@ApiOperation("查询套餐总览")public Result<SetmealOverViewVO> setmealOverView(){return Result.success(workspaceService.getSetmealOverView());}
}

1.2.2 Service层接口

添加WorkspaceService.java

package com.sky.service;import com.sky.vo.BusinessDataVO;
import com.sky.vo.DishOverViewVO;
import com.sky.vo.OrderOverViewVO;
import com.sky.vo.SetmealOverViewVO;
import java.time.LocalDateTime;public interface WorkspaceService {/*** 根据时间段统计营业数据* @param begin* @param end* @return*/BusinessDataVO getBusinessData(LocalDateTime begin, LocalDateTime end);/*** 查询订单管理数据* @return*/OrderOverViewVO getOrderOverView();/*** 查询菜品总览* @return*/DishOverViewVO getDishOverView();/*** 查询套餐总览* @return*/SetmealOverViewVO getSetmealOverView();}

1.2.3 Service层实现类

添加WorkspaceServiceImpl.java

package com.sky.service.impl;import com.sky.constant.StatusConstant;
import com.sky.entity.Orders;
import com.sky.mapper.DishMapper;
import com.sky.mapper.OrderMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.mapper.UserMapper;
import com.sky.service.WorkspaceService;
import com.sky.vo.BusinessDataVO;
import com.sky.vo.DishOverViewVO;
import com.sky.vo.OrderOverViewVO;
import com.sky.vo.SetmealOverViewVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.HashMap;
import java.util.Map;@Service
@Slf4j
public class WorkspaceServiceImpl implements WorkspaceService {@Autowiredprivate OrderMapper orderMapper;@Autowiredprivate UserMapper userMapper;@Autowiredprivate DishMapper dishMapper;@Autowiredprivate SetmealMapper setmealMapper;/*** 根据时间段统计营业数据* @param begin* @param end* @return*/public BusinessDataVO getBusinessData(LocalDateTime begin, LocalDateTime end) {/*** 营业额：当日已完成订单的总金额* 有效订单：当日已完成订单的数量* 订单完成率：有效订单数 / 总订单数* 平均客单价：营业额 / 有效订单数* 新增用户：当日新增用户的数量*/Map map = new HashMap();map.put("begin",begin);map.put("end",end);//查询总订单数Integer totalOrderCount = orderMapper.countByMap(map);map.put("status", Orders.COMPLETED);//营业额Double turnover = orderMapper.sumByMap(map);turnover = turnover == null? 0.0 : turnover;//有效订单数Integer validOrderCount = orderMapper.countByMap(map);Double unitPrice = 0.0;Double orderCompletionRate = 0.0;if(totalOrderCount != 0 && validOrderCount != 0){//订单完成率orderCompletionRate = validOrderCount.doubleValue() / totalOrderCount;//平均客单价unitPrice = turnover / validOrderCount;}//新增用户数Integer newUsers = userMapper.countByMap(map);return BusinessDataVO.builder().turnover(turnover).validOrderCount(validOrderCount).orderCompletionRate(orderCompletionRate).unitPrice(unitPrice).newUsers(newUsers).build();}/*** 查询订单管理数据** @return*/public OrderOverViewVO getOrderOverView() {Map map = new HashMap();map.put("begin", LocalDateTime.now().with(LocalTime.MIN));map.put("status", Orders.TO_BE_CONFIRMED);//待接单Integer waitingOrders = orderMapper.countByMap(map);//待派送map.put("status", Orders.CONFIRMED);Integer deliveredOrders = orderMapper.countByMap(map);//已完成map.put("status", Orders.COMPLETED);Integer completedOrders = orderMapper.countByMap(map);//已取消map.put("status", Orders.CANCELLED);Integer cancelledOrders = orderMapper.countByMap(map);//全部订单map.put("status", null);Integer allOrders = orderMapper.countByMap(map);return OrderOverViewVO.builder().waitingOrders(waitingOrders).deliveredOrders(deliveredOrders).completedOrders(completedOrders).cancelledOrders(cancelledOrders).allOrders(allOrders).build();}/*** 查询菜品总览** @return*/public DishOverViewVO getDishOverView() {Map map = new HashMap();map.put("status", StatusConstant.ENABLE);Integer sold = dishMapper.countByMap(map);map.put("status", StatusConstant.DISABLE);Integer discontinued = dishMapper.countByMap(map);return DishOverViewVO.builder().sold(sold).discontinued(discontinued).build();}/*** 查询套餐总览** @return*/public SetmealOverViewVO getSetmealOverView() {Map map = new HashMap();map.put("status", StatusConstant.ENABLE);Integer sold = setmealMapper.countByMap(map);map.put("status", StatusConstant.DISABLE);Integer discontinued = setmealMapper.countByMap(map);return SetmealOverViewVO.builder().sold(sold).discontinued(discontinued).build();}
}

1.2.4 Mapper层

在SetmealMapper中添加countByMap方法定义

/*** 根据条件统计套餐数量* @param map* @return*/Integer countByMap(Map map);

在SetmealMapper.xml中添加对应SQL实现

<select id="countByMap" resultType="java.lang.Integer">select count(id) from setmeal<where><if test="status != null">and status = #{status}</if><if test="categoryId != null">and category_id = #{categoryId}</if></where>
</select>

在DishMapper中添加countByMap方法定义

	/*** 根据条件统计菜品数量* @param map* @return*/Integer countByMap(Map map);

在DishMapper.xml中添加对应SQL实现

<select id="countByMap" resultType="java.lang.Integer">select count(id) from dish<where><if test="status != null">and status = #{status}</if><if test="categoryId != null">and category_id = #{categoryId}</if></where>
</select>