商品筛选条件

1.jsp页面

<h2 class="h2 h2_filter mt"><em title="商品筛选">商品筛选</em><cite><a href="javascript:void(0);" id="filterRest" title="重置筛选条件">重置筛选条件</a></cite></h2>
            <ul class="uls filter">
            <c:if test="${flag}">
                <li><label>已选条件：</label>
                <p class="sel">
                   <c:forEach items="${query }" var="entry">
               
                    <a href="javascript:void(0);">
                    <em>${entry.key}：</em>${entry.value }
                    <cite title="关闭此筛选条件">X</cite></a>
                 </c:forEach>
                </p>
                </li>
                </c:if>
                <c:if test="${!empty brands }">
                <li><b>品牌：</b><p>
                    <a href="javascript:void(0);" title="不限" class="here">不限</a>
                    <c:forEach items="${brands}" var="brand">
                      <a href="javascript:void(0);" title="${brand.name }" onclick="window.location.href='/product/display/list.shtml?typeId=${typeId }&typeName=${typeName}&brandId=${brand.id }&brandName=${brand.name }'">${brand.name } </a>
                    </c:forEach>
                  </p></li>
                </c:if>
                <li><b>价格：</b><p>
                    <a href="javascript:void(0);" title="不限" class="here">不限</a>
                    <a href="javascript:void(0);" title="1-99">0-79</a>
                    <a href="javascript:void(0);" title="100-199">80-199</a>
                    <a href="javascript:void(0);" title="200-499">200-299</a>
                    <a href="javascript:void(0);" title="200-499">300-499</a>
                    <a href="javascript:void(0);" title="200-499">500-599</a>
                    <a href="javascript:void(0);" title="200-499">600以上</a>
                </p></li>
                <c:if test="${!empty types }">
                <li><b>类型：</b><p>
                    <a href="javascript:void(0);" title="不限" class="here">不限</a>
                    <c:forEach items="${types }" var="type">
                                <a href="javascript:void(0);" title="${type.name }" onclick="window.location.href='/product/display/list.shtml?typeId=${type.id }&typeName=${type.name}&brandId=${brandId }&brandName=${brandName }'">${type.name }</a>
                    </c:forEach>
                </p></li>
                </c:if>
 </h2>    

2.controller层（Frontproduct.java）

@Controller
public class FrontProductController{
    @Autowired
    private BrandService brandService;
    @Autowired
    private ProductService productService;
    @Autowired
    private TypeService typeService;
    @Autowired
    private ColorService colorService;
    @Autowired
    private FeatureService featureService;

    @RequestMapping(value="/product/display/list.shtml")
    public String list(Integer pageNo,Integer brandId,String brandName,Integer typeId,String typeName,ModelMap model){
        Map<String, String> query = new LinkedHashMap<String, String>();
        //查询材质
        FeatureQuery featureQuery = new FeatureQuery();
        List<Feature> features = featureService.getFeatureList(featureQuery);
        model.addAttribute("features",features);
 
        ProductQuery productQuery = new ProductQuery();
        productQuery.setPageNo(Pagination.cpn(pageNo));
        productQuery.setPageSize(Product.FRONT_PAGESIZE);
        productQuery.orderbyBrandId(false);
        //设置分页参数
        StringBuilder params = new StringBuilder();
        
        //条件 
        //隐藏已选条件
        boolean flag = false;
       
        if(null!=brandId){
            productQuery.setBrandId(brandId);
            flag = true;
            query.put("品牌",brandName);
            model.addAttribute("brandName",brandName);
            model.addAttribute("brandId",brandId);
            params.append("&brandId=").append(brandId).append("&brandName=").append(brandName);
        }else{
              //查询品牌
            BrandQuery brandQuery = new BrandQuery();
            brandQuery.setfields("id,name");
            brandQuery.orderById(false);
            List<Brand> brands = brandService.getBrandList(brandQuery);
            model.addAttribute("brands",brands);
        }
        //查询商品类型
        TypeQuery typeQuery = new TypeQuery();
        if(null!=typeId){
            typeQuery.setId(typeId);
            flag = true;
            query.put("类型",typeName);
            model.addAttribute("typeName",typeName);
            model.addAttribute("typeId",typeId);
            params.append("&typeId=").append(typeId).append("&typeName=").append(typeName);
        }else{
              typeQuery.setParentId(0);
            List<Type> types = typeService.getTypeList(typeQuery);
            model.addAttribute("types",types); 
        }
        model.addAttribute("flag",flag);
        model.addAttribute("query",query);
        Pagination pagination = productService.getProductListWithPage(productQuery);
        String url = "/product/display/list.shtml";
        pagination.pageView(url, params.toString());
        model.addAttribute("pagniation",pagination);  
        return "/product/product";
    }
}