绑定商品id

在首页的商品列表中，我们可以将商品 id 绑定到 a 标签中：

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<d<a href="goods/${product.id}"><img src="xxxx"/></a></div>

提供 rest 服务

Service

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@Override
public ResponseJsonResult getProductDetailById(Integer id) {

    Product product = productMapper.selectByPrimaryKey(id);
    ResponseJsonResult responseJsonResult = new ResponseJsonResult();
    responseJsonResult.setObj(product);
    return responseJsonResult;

}

Controller

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@RequestMapping("product/detail/{productId}")
   @ResponseBody
   public ResponseJsonResult getProductDetail(@PathVariable("productId") Integer productId){
       ResponseJsonResult responseJsonResult = productService.getProductDetailById(productId);
       return responseJsonResult;
   }
rest服务
rest服务

portal

Service

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@Override
   public Product getDetailById(Integer id) {

       try {
           String jsonResult = HttpClientUtil.httpGet(REST_URL + REST_PRODUCT_DETAIL + id);
           ResponseJsonResult responseJsonResult = GsonUtils.fromJson(ResponseJsonResult.class, jsonResult);
           Product product = (Product) responseJsonResult.getObj();
           return product;
       } catch (IOException e) {
           e.printStackTrace();
       }

       return null;
   }

Controller

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@Controller
public class ProductController {

    @Autowired
    ProductService productService;

    @RequestMapping("goods/{productId}")
    public String index(ModelMap modelMap,@PathVariable("productId") Integer productId){
        Product product = productService.getDetailById(productId);
        modelMap.addAttribute("product",product);
        return "detail";
    }


}

Template