spring boot+elementUI前后端分离瑞吉外卖

package com.zcs.reggie.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.zcs.reggie.common.R; import com.zcs.reggie.domain.Category; import com.zcs.reggie.domain.Dish; import com.zcs.reggie.domain.DishFlavor; import com.zcs.reggie.dto.DishDto; import com.zcs.reggie.service.CategoryService; import com.zcs.reggie.service.DishFlavorService; import com.zcs.reggie.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; import java.util.stream.Collectors; /** * @Description * @Author 张春生 * @Date 2022-05-12 19:03 * 菜品管理 */ @Slf4j @RestController @RequestMapping("/dish") public class DishController { @Autowired private DishService dishService; @Autowired private DishFlavorService dishFlavorService; @Autowired private CategoryService categoryService; /** * 新增菜品 * @param dishDto * @return */ @PostMapping public R<String> save(@RequestBody DishDto dishDto){ log.info("dishDto：{}",dishDto); dishService.saveWithFlavor(dishDto); return R.success("新增菜品成功"); } /** * 菜品管理分页查询 * @param page * @param pageSize * @param name * @return */ @GetMapping("/page") public R<Page> page(int page, int pageSize,String name){ //分页构造器 Page<Dish> pageInfo = new Page<>(page, pageSize); Page<DishDto> dishDtoPage = new Page<>(); //构建条件 LambdaQueryWrapper<Dish> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(name != null,Dish::getName,name); //排序条件 wrapper.orderByDesc(Dish::getUpdateTime); dishService.page(pageInfo,wrapper); //对象拷贝 BeanUtils.copyProperties(pageInfo,dishDtoPage,"records"); List<Dish> records = pageInfo.getRecords(); List<DishDto> list = records.stream().map(item->{ DishDto dishDto = new DishDto(); //继续拷贝 BeanUtils.copyProperties(item, dishDto); Long categoryId = item.getCategoryId(); //根据id查询分类对象 Category category = categoryService.getById(categoryId); if (category != null) { String categoryName = category.getName(); dishDto.setCategoryName(categoryName); } return dishDto; }).collect(Collectors.toList()); dishDtoPage.setRecords(list); return R.success(dishDtoPage); } /** * 根据id查询菜品相关信息 * @param id * @return */ @GetMapping("/{id}") public R<DishDto> getDishDtoPage(@PathVariable Long id){ DishDto dishDto = dishService.getByIdWithFlavor(id); return R.success(dishDto); } /** * 修改菜品 * @param dishDto * @return */ @PutMapping public R<String> update(@RequestBody DishDto dishDto){ log.info("dishDto：{}",dishDto); dishService.updateWithFlavor(dishDto); return R.success("修改菜品成功"); } /** * 根据条件查询对应的菜品信息 * @param dish * @return */ @GetMapping("list") public R<List<DishDto>> list(Dish dish){ //构建查询跳进 LambdaQueryWrapper<Dish> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(dish.getCategoryId() != null,Dish::getCategoryId,dish.getCategoryId()); wrapper.eq(Dish::getStatus,1);//查询起售的菜品 wrapper.orderByAsc(Dish::getSort).orderByAsc(Dish ::getUpdateTime); List<Dish> dishes = dishService.list(wrapper); List<DishDto> dishDtoList = dishes.stream().map((item)->{ DishDto dishDto = new DishDto(); BeanUtils.copyProperties(item, dishDto); //分类id Long categoryId = item.getCategoryId(); Category category = categoryService.getById(categoryId); if (category != null) { String categoryName = category.getName(); dishDto.setCategoryName(categoryName); } //当前菜品id Long dishId = item.getId(); LambdaQueryWrapper<DishFlavor> queryWrapper = new LambdaQueryWrapper<>(); //根据DishId查询 queryWrapper.eq(DishFlavor::getDishId,dishId); List<DishFlavor> dishFlavors = dishFlavorService.list(queryWrapper); dishDto.setFlavors(dishFlavors); return dishDto; }).collect(Collectors.toList()); return R.success(dishDtoList); } /** * 修改菜品状态 * @param status * @param ids * @return */ @PostMapping("/status/{status}") public R<String> updateStatus(@PathVariable int status,@RequestParam List<Long> ids){ log.info("菜品状态：{}，菜品id{}",status,ids); List<Dish> dishes; dishes = ids.stream().map((item)->{ Dish dish = new Dish(); dish.setStatus(status); dish.setId(item); return dish; }).collect(Collectors.toList()); dishService.updateBatchById(dishes); return R.success("菜品状态修改成功"); } /** * 删除菜品相关信息 * @param ids * @return */ @DeleteMapping public R<String> deleteDishById(@RequestParam List<Long> ids){ log.info("删除菜品id"); dishService.deleteWithDish(ids); return R.success("删除成功"); } }