基于java的瑞吉外卖项目源码.zip

package com.example.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.example.common.R; import com.example.dto.DishDto; import com.example.entity.Category; import com.example.entity.Dish; import com.example.entity.DishFlavor; import com.example.service.CategoryService; import com.example.service.DishFlavorService; import com.example.service.DishService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import java.util.ArrayList; import java.util.List; @Slf4j @RestController @RequestMapping("/dish") public class DishController { @Autowired private DishService dishService; @Autowired private CategoryService categoryService; @Autowired private DishFlavorService dishFlavorService; //分页查询 @GetMapping("/page") public R<Page<DishDto>> pageR(int page,int pageSize,String name){ log.info("page={},pagesize={},name={}",page,pageSize,name); //构造分页器 Page<Dish> pageinfo=new Page<>(page,pageSize); Page<DishDto> dishDtoPage=new Page<>(); //构造条件查询器 LambdaQueryWrapper<Dish> lqw=new LambdaQueryWrapper<>(); lqw.like(name!=null,Dish::getName,name); //使数据按照修改时间降序排列 lqw.orderByDesc(Dish::getUpdateTime); dishService.page(pageinfo,lqw); //对象拷贝 BeanUtils.copyProperties(pageinfo,dishDtoPage,"records"); //完成属性拷贝 List<Dish> records = pageinfo.getRecords(); List<DishDto> list=new ArrayList<>(); for (Dish dish:records){ DishDto dishDto=new DishDto(); //对象拷贝，将需要的其余属性从dish拷贝到list BeanUtils.copyProperties(dish,dishDto); Long id = dish.getCategoryId(); Category category = categoryService.getById(id); String categoryName = category.getName(); //成功设置categoryName和其余属性 dishDto.setCategoryName(categoryName); list.add(dishDto); } //设置Page对象属性 dishDtoPage.setRecords(list); log.info("dishDtoPage:{}",dishDtoPage); return R.success(dishDtoPage); } //添加 @PostMapping public R<String> save(@RequestBody DishDto dishDto){ log.info("dishDto:{}",dishDto); dishService.saveWithFlavor(dishDto); return R.success("新增菜品成功"); } //按照ID查询 @GetMapping("/{id}") public R<DishDto> getById(@PathVariable Long id){ DishDto dishDto = dishService.getByIdWithFlavor(id); log.info("dishDto:{}",dishDto); return R.success(dishDto); } //修改 @PutMapping public R<String> updateWithFlavor(@RequestBody DishDto dishDto){ log.info("dishDto:{}",dishDto); dishService.updateWithFlavor(dishDto); return R.success("修改菜品成功"); } //删除，批量删除 @DeleteMapping public R<String> delete(@RequestParam List<Long> ids){ log.info("ids:{}",ids); dishService.deleteByIds(ids); return R.success("删除成功"); } //改变售卖状态 @PostMapping("/status/{status}") public R<String> statusChange(@PathVariable int status,String ids){ log.info("status:{},ids:{}",status,ids); dishService.UpdateStatus(status,ids); String string= status==1?"起售成功!":"停售成功"; return R.success(string); } //根据分类id获取菜品数据 @GetMapping("/list") public R<List<DishDto>> getlistByCategoryId(Dish dish1){ //获取categoryid log.info("dish1:{}",dish1); //根据categoryid查询dish，并按照更新时间降序排列 LambdaQueryWrapper<Dish> lqw=new LambdaQueryWrapper<>(); //如果有id，根据id查询 lqw.eq(dish1.getCategoryId()!=null,Dish::getCategoryId,dish1.getCategoryId()); //只查询起售状态得菜品 lqw.eq(Dish::getStatus,1); lqw.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime); List<Dish> list = dishService.list(lqw); LambdaQueryWrapper<DishFlavor> lqw2=new LambdaQueryWrapper<>(); List<DishDto> dtoList=new ArrayList<>(); for (Dish dish:list){ DishDto dishDto=new DishDto(); BeanUtils.copyProperties(dish,dishDto); Long id = dish.getId(); lqw2.eq(DishFlavor::getDishId,id); List<DishFlavor> dishFlavors = dishFlavorService.list(lqw2); dishDto.setFlavors(dishFlavors); dtoList.add(dishDto); lqw2.clear(); } log.info("DishListByCategoryId:{}",dtoList.toString()); return R.success(dtoList); } }