基于SpringBoot+MybatisPlus+Mysql的前后端分离外卖管理系统源码+sql数据库+部署说明.zip

package com.codermast.takeoutfood.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.toolkit.StringUtils; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.codermast.takeoutfood.common.R; import com.codermast.takeoutfood.dto.DishDto; import com.codermast.takeoutfood.entity.Category; import com.codermast.takeoutfood.entity.Dish; import com.codermast.takeoutfood.entity.DishFlavor; import com.codermast.takeoutfood.service.CategoryService; import com.codermast.takeoutfood.service.DishFlavorService; import com.codermast.takeoutfood.service.DishService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.data.redis.core.ValueOperations; import org.springframework.web.bind.annotation.*; import java.util.List; import java.util.concurrent.TimeUnit; import java.util.stream.Collectors; /** * @Description: 菜品管理控制器 * @author: CoderMast * @date: 2022/11/27 * @Blog: <a href="https://www.codermast.com/">codermast</a> */ @Slf4j @RestController @RequestMapping("/dish") public class DishController { // 注入dish业务实体 @Autowired private DishService dishService; @Autowired private DishFlavorService dishFlavorService; // 注入category实体 @Autowired private CategoryService categoryService; @Autowired private RedisTemplate redisTemplate; /** * @param page 页码 * @param pageSize 页面大小 * @param name 关键词 * @Description: 分页查询dish内容 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @GetMapping("/page") public R<Page<DishDto>> page(int page, int pageSize, String name) { Page<DishDto> dishDtoPage = null; String key = "page_" + page + ":pageSize_" + pageSize + ":name_" + name; ValueOperations opsForValue = redisTemplate.opsForValue(); dishDtoPage = (Page<DishDto>) opsForValue.get(key); // 缓存命中 if (dishDtoPage != null){ return R.success(dishDtoPage); } // 菜品分页页面 Page<Dish> dishPage = new Page<>(page,pageSize); // 菜品分页交互对象页面 dishDtoPage = new Page<>(); // 构造条件过滤器 LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>(); // 构建查询条件 queryWrapper.like(StringUtils.isNotEmpty(name), Dish::getName, name); // 分页查询菜品 dishService.page(dishPage, queryWrapper); // 菜品分页记录值 List<Dish> recordsDish = dishPage.getRecords(); // 菜品分页交互对象记录值 List<DishDto> recordsDishDto = recordsDish.stream().map((item) -> { // 创建dishDto对象 DishDto dishDto = new DishDto(); // 将Dish类型的item属性赋值到dishDto BeanUtils.copyProperties(item,dishDto); // 获取对象的分类id Long categoryId = dishDto.getCategoryId(); // 根据分类id查分类对象 Category categoryServiceById = categoryService.getById(categoryId); // 从分类对象中取出分类名称 String categoryServiceByIdName = categoryServiceById.getName(); // 设置分类名称到dishDto对象 dishDto.setCategoryName(categoryServiceByIdName); // 返回该对象 return dishDto; }).collect(Collectors.toList()); // 将封装好的记录值赋值给dishDtoPage对象 dishDtoPage.setRecords(recordsDishDto); // 将总条数赋值给dishDtoPage dishDtoPage.setTotal(dishPage.getTotal()); // 将数据缓存进redis opsForValue.set(key,dishDtoPage,60,TimeUnit.MINUTES); return R.success(dishDtoPage); } /** * @param ids 要删除的菜品id * @Description: 批量删除菜品 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @DeleteMapping public R<String> delete(@RequestParam List<Long> ids) { dishService.removeBatchByIds(ids); // 删除redis缓存 for (Long id : ids) { String key = "dish:" + id; redisTemplate.delete(key); } return R.success("批量删除成功！"); } /** * @param id 要获取信息的id值 * @Description: 根据id查询一个dish对象 * @Author: CoderMast <a href="https://www.codermast.com/">codermast</a> */ @GetMapping("/{id}") public R<DishDto> getOne(@PathVariable String id) { DishDto dishDto = null; String key = "dish:" + id; // 先查询Redis中是否有缓存 ValueOperations opsForValue = redisTemplate.opsForValue(); dishDto = (DishDto) opsForValue.get(key); // Redis中存在则直接返回 if (dishDto != null){ return R.success(dishDto); } // Redis中不存在，先查数据库，然后添加缓存，再返回 dishDto = dishService.getByIdWithFlavor(id); // 放入缓存，并设置60分钟后失效 opsForValue.set(key,dishDto,60, TimeUnit.MINUTES); return R.success(dishDto); } /** * @Description: 添加菜品 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @PostMapping public R<String> save(@RequestBody DishDto dishDto) { dishService.saveWithFlavor(dishDto); ValueOperations opsForValue = redisTemplate.opsForValue(); String key = "dish:" + dishDto.getId(); // 将数据缓存进Redis，设置60分过期 opsForValue.set(key,dishDto,60,TimeUnit.MINUTES); return R.success("菜品添加成功"); } /** * @Description: 修改菜品信息 * @param dishDto 菜品的信息 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @PutMapping public R<String> update(@RequestBody DishDto dishDto){ boolean ret = dishService.updateById(dishDto); String key = "dish:" + dishDto.getId(); // 更新Redis缓存 ValueOperations opsForValue = redisTemplate.opsForValue(); // 放入缓存，设置60分钟失效 opsForValue.set(key,dishDto,60,TimeUnit.MINUTES); return ret? R.success("更新成功"):R.error("更新失败"); } /** * @Description: 停售和启售 * @param status : 状态码，0为停售，1为启售 * @param ids 操作菜品的id列表 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @PostMapping("/status/{status}") public R<String> status(@PathVariable Integer status,@RequestParam List<Long> ids){ LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.in(ids != null,Dish::getId,ids); List<Dish> list = dishService.list(queryWrapper); for (Dish dish : list) { if (dish != null){ dish.setStatus(status); dishService.updateById(dish); } } return R.success(status == 1? "启售成功" : "停售成功"); } /** * @Description: 根据分类id查询其下的菜品 * @Author: <a href="https://www.codermast.com/">CoderMast</a> */ @GetMapping("/list") public R<List<DishDto>> list(Dish dish){ List<DishDto> dishDtoList = null; // 先从redis中获取缓存数据 ValueOperations opsForValue = redisTemplate.opsForValue(); String key = "dish:" + dish.getCategoryId(); // 这里缓存的key是dish的分类id，Value为其序列化的值 dishDtoList = (List<DishDto>) opsForValue.get(key); // redis中存在数据，则直接返回，无需查�