jquery之前后台交互

//js文件

function getMinatoSingleGoodsCategorys(type){
    $("#"+type+"MinatoGoodsCategoryId").combobox({
        url:appPath + "/page/hrtMinatoSingleGoods/getAllMinatoGoodsCategorys",
        valueField:"id",
        textField:"name"
    });
    $("#"+type+"MinatoGoodsCategoryId").combobox("select", '--请选择--');
}

//java文件

 /**
     * @throws IOException
     * @description 查询所有商品标签
     */
    @RequestMapping(value = "/getAllMinatoGoodsCategorys")
    public void getAllMinatoGoodsCategorys(HttpServletResponse response, HttpServletRequest request) throws IOException{
        List<MinatoGoodsCategory> minatoGoodsCategorys = new ArrayList<MinatoGoodsCategory>();

        MinatoGoodsCategory minatoGoodsCategory = new MinatoGoodsCategory();
        minatoGoodsCategory.setId(null);
        minatoGoodsCategory.setName("--请选择--");

        minatoGoodsCategorys.add(minatoGoodsCategory);
        minatoGoodsCategorys.addAll(minatoGoodsCategoryService.queryAllMinatoGoodsCategorys());

        response.getWriter().print(net.sf.json.JSONArray.fromObject(minatoGoodsCategorys));//向前台返回json格式的数据
    }

    public List<MinatoGoodsCategory> queryAllMinatoGoodsCategorys() {
        // TODO Auto-generated method stub
        return commonDao.queryForList("MinatoGoodsCategory.getAllMinatoGoodsCategorys");
    }