千峰商城-springboot项目搭建-66-商品详情-商品参数查询接口实现
根据商品id查询商品参数信息。
数据库操作直接使用tkMapper的默认方法实现。
业务层实现:
ProductService :
public interface ProductService { public ResultVO listRecommendProducts(); public ResultVO getProductBasicInfo(String productId); public ResultVO getProductParamsById(String productId); }
ProductServiceImpl :
@Service public class ProductServiceImpl implements ProductService { @Autowired private ProductMapper productMapper; @Autowired private ProductImgMapper productImgMapper; @Autowired private ProductSkuMapper productSkuMapper; @Autowired private ProductParamsMapper productParamsMapper; public ResultVO listRecommendProducts() { List<ProductVO> productVOS = productMapper.selectRecommendProducts(); ResultVO resultVO = new ResultVO(ResStatus.OK, "success", productVOS); return resultVO; } @Transactional(propagation = Propagation.SUPPORTS) public ResultVO getProductBasicInfo(String productId) { //1.商品信息 Example example = new Example(Product.class); Example.Criteria criteria = example.createCriteria(); criteria.andEqualTo("productId",productId); criteria.andEqualTo("productStatus",1);//状态为1表示上架商品 List<Product> products = productMapper.selectByExample(example); if (products.size()>0){ //2,商品图片 Example example1 = new Example(ProductImg.class); Example.Criteria criteria1 = example1.createCriteria(); criteria1.andEqualTo("itemId",productId); List<ProductImg> productImgs = productImgMapper.selectByExample(example1); //3.商品套餐 Example example2 = new Example(ProductSku.class); Example.Criteria criteria2 = example2.createCriteria(); criteria2.andEqualTo("productId",productId); criteria2.andEqualTo("status",1); List<ProductSku> productSkus = productSkuMapper.selectByExample(example2); HashMap<String,Object> basicInfo = new HashMap<>(); basicInfo.put("product",products.get(0)); basicInfo.put("productImgs",productImgs); basicInfo.put("productSkus",productSkus); return new ResultVO(ResStatus.OK,"success",basicInfo); }else { return new ResultVO(ResStatus.NO,"查询的商品不存在",null); } } public ResultVO getProductParamsById(String productId) { Example example = new Example(ProductParams.class); Example.Criteria criteria = example.createCriteria(); criteria.andEqualTo("productId",productId); List<ProductParams> productParams = productParamsMapper.selectByExample(example); if (productParams.size()>0){ return new ResultVO(ResStatus.OK,"success",productParams.get(0)); }else { return new ResultVO(ResStatus.NO,"此商品为三无产品",null); } } }
控制层实现:
ProductController:
@RestController @CrossOrigin @RequestMapping("/product") @Api(value = "提供商品信息相关的接口",tags = "商品管理") public class ProductController { @Autowired private ProductService productService; @ApiOperation("商品基本信息查询接口") @GetMapping("/detail-info/{pid}") public ResultVO getProductBasicInfo(@PathVariable("pid") String pid){ return productService.getProductBasicInfo(pid); } @ApiOperation("商品参数信息查询接口") @GetMapping("/detail-params/{pid}") public ResultVO getProductParams(@PathVariable("pid") String pid){ return productService.getProductParamsById(pid); } }
分类:
千峰商城项目
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