<dependency>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-annotations</artifactId>

       <version>2.5.</version>

     </dependency>

     <dependency>

       <groupId>com.fasterxml.jackson.core</groupId>

       <artifactId>jackson-core</artifactId>

       <version>2.5.</version>

     </dependency>

       <dependency>

           <groupId>com.fasterxml.jackson.core</groupId>

           <artifactId>jackson-databind</artifactId>

           <version>2.5.</version>

       </dependency>

     function senJson() {

         $.ajax({

             type:"post",

             url:"${pageContext.request.contextPath }/goods/senJson.action",

             contentType:"application/json;charset=utf-8",

             data:'{"goodsname":"测试商品","money":99}',

             success:function(data){

                 alert(data);

             }

         });

     }

     @ResponseBody

     @RequestMapping("/senJson")

     public goods  senJson(@RequestBody goods goods){

         System.out.println(goods.getGoodsname()+" "+goods.getMoney());

         return goods;

     }